Extraction schema:
{"type": "object", "title": "Vanguard Schedule of Investments (real content)", "additionalProperties": false, "properties": {"fund_name": {"type": "string", "description": "Fund name as printed in the page header, e.g. 'Mega Cap Growth Index Fund'."}, "as_of_date": {"type": "string", "description": "Schedule as-of date as printed after 'As of', e.g. 'March 31, 2026'."}, "total_investments_thousands": {"type": "integer", "description": "Printed 'Total Investments' market value in $000."}, "net_assets_thousands": {"type": "integer", "description": "Printed 'Net Assets (100%)' value in $000."}, "holdings": {"type": "array", "description": "Every holding row of the Schedule of Investments, in print order.", "items": {"type": "object", "additionalProperties": false, "properties": {"security_name": {"type": "string", "description": "Security name as printed (without leading footnote markers)."}, "marks": {"type": "array", "items": {"type": "string"}, "description": "Leading superscript footnote markers, e.g. ['*'] or ['1'] or ['*','2']."}, "asset_class": {"type": ["string", "null"], "description": "Top-level class heading, e.g. 'Common Stocks'."}, "asset_class_percent": {"type": ["number", "null"], "description": "Percent of net assets printed on the class heading."}, "group": {"type": ["string", "null"], "description": "Sector/country/sub-class heading, e.g. 'Basic Materials' or 'Japan'."}, "group_percent": {"type": ["number", "null"], "description": "Percent of net assets printed on the group heading."}, "shares": {"type": ["integer", "null"], "description": "Shares held (null for face-amount rows)."}, "face_amount_thousands": {"type": ["integer", "null"], "description": "Face amount in $000 for fixed-income/repo rows (null otherwise)."}, "inline_cost_thousands": {"type": ["integer", "null"], "description": "Cost printed inline after the name as '(Cost $N)', in $000."}, "market_value_thousands": {"type": "integer", "description": "Market value in $000 (0 when printed as an em dash)."}, "source_page": {"type": ["integer", "null"], "description": "1-based PDF page where this holding row is printed."}}, "required": ["security_name", "marks", "asset_class", "asset_class_percent", "group", "group_percent", "shares", "face_amount_thousands", "inline_cost_thousands", "market_value_thousands", "source_page"]}}}, "required": ["fund_name", "as_of_date", "total_investments_thousands", "net_assets_thousands", "holdings"]}

Expected output:
{"fund_name": "Dividend Growth Fund", "as_of_date": "January 31, 2026", "total_investments_thousands": 40291554, "net_assets_thousands": 40339328, "holdings": [{"security_name": "Alphabet Inc. Class A", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Communication Services", "group_percent": 3.6, "shares": 2914798, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 985202, "source_page": 4}, {"security_name": "Meta Platforms Inc. Class A", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Communication Services", "group_percent": 3.6, "shares": 658777, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 472013, "source_page": 4}, {"security_name": "Home Depot Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Discretionary", "group_percent": 11.4, "shares": 3030322, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1135128, "source_page": 4}, {"security_name": "NIKE Inc. Class B", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Discretionary", "group_percent": 11.4, "shares": 17195331, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1062844, "source_page": 4}, {"security_name": "McDonald's Corp.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Discretionary", "group_percent": 11.4, "shares": 2981416, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 939146, "source_page": 4}, {"security_name": "TJX Cos. Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Discretionary", "group_percent": 11.4, "shares": 6098428, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 913606, "source_page": 4}, {"security_name": "Marriott International Inc. Class A", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Discretionary", "group_percent": 11.4, "shares": 1792868, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 565291, "source_page": 4}, {"security_name": "Procter & Gamble Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Staples", "group_percent": 8.2, "shares": 5152314, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 781967, "source_page": 4}, {"security_name": "Coca-Cola Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Staples", "group_percent": 8.2, "shares": 9921310, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 742213, "source_page": 4}, {"security_name": "PepsiCo Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Staples", "group_percent": 8.2, "shares": 3229382, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 496130, "source_page": 4}, {"security_name": "Colgate-Palmolive Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Staples", "group_percent": 8.2, "shares": 5107109, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 461121, "source_page": 4}, {"security_name": "Kroger Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Staples", "group_percent": 8.2, "shares": 6678181, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 419723, "source_page": 4}, {"security_name": "Walmart Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Staples", "group_percent": 8.2, "shares": 1842302, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 219492, "source_page": 4}, {"security_name": "Diageo plc", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Consumer Staples", "group_percent": 8.2, "shares": 8140603, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 187318, "source_page": 4}, {"security_name": "Mastercard Inc. Class A", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Financials", "group_percent": 17.6, "shares": 2680578, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1444269, "source_page": 4}, {"security_name": "Visa Inc. Class A", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Financials", "group_percent": 17.6, "shares": 3864367, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1243669, "source_page": 4}, {"security_name": "Chubb Ltd.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Financials", "group_percent": 17.6, "shares": 3256611, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1008117, "source_page": 4}, {"security_name": "American Express Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Financials", "group_percent": 17.6, "shares": 2562336, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 902378, "source_page": 4}, {"security_name": "S&P Global Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Financials", "group_percent": 17.6, "shares": 1669413, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 881099, "source_page": 4}, {"security_name": "Wells Fargo & Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Financials", "group_percent": 17.6, "shares": 9415331, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 851993, "source_page": 4}, {"security_name": "Marsh & McLennan Cos. Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Financials", "group_percent": 17.6, "shares": 4175515, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 785790, "source_page": 4}, {"security_name": "Eli Lilly & Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Health Care", "group_percent": 16.8, "shares": 1658839, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1720465, "source_page": 4}, {"security_name": "Danaher Corp.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Health Care", "group_percent": 16.8, "shares": 4259581, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 932380, "source_page": 4}, {"security_name": "Stryker Corp.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Health Care", "group_percent": 16.8, "shares": 2519320, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 931040, "source_page": 4}, {"security_name": "Johnson & Johnson", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Health Care", "group_percent": 16.8, "shares": 3465453, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 787524, "source_page": 4}, {"security_name": "Merck & Co. Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Health Care", "group_percent": 16.8, "shares": 6731846, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 742320, "source_page": 4}, {"security_name": "Abbott Laboratories", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Health Care", "group_percent": 16.8, "shares": 5295066, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 578751, "source_page": 4}, {"security_name": "Elevance Health Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Health Care", "group_percent": 16.8, "shares": 1671797, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 578007, "source_page": 4}, {"security_name": "Zoetis Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Health Care", "group_percent": 16.8, "shares": 3920147, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 489313, "source_page": 4}, {"security_name": "Northrop Grumman Corp.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Industrials", "group_percent": 14.5, "shares": 1899668, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1315064, "source_page": 4}, {"security_name": "Honeywell International Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Industrials", "group_percent": 14.5, "shares": 4544293, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1033918, "source_page": 4}, {"security_name": "Automatic Data Processing Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Industrials", "group_percent": 14.5, "shares": 3301552, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 814889, "source_page": 4}, {"security_name": "Caterpillar Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Industrials", "group_percent": 14.5, "shares": 975212, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 641065, "source_page": 4}, {"security_name": "Canadian National Railway Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Industrials", "group_percent": 14.5, "shares": 6413560, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 616981, "source_page": 4}, {"security_name": "Trane Technologies plc", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Industrials", "group_percent": 14.5, "shares": 1366564, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 574749, "source_page": 4}, {"security_name": "AMETEK Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Industrials", "group_percent": 14.5, "shares": 1965228, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 440172, "source_page": 4}, {"security_name": "Deere & Co.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Industrials", "group_percent": 14.5, "shares": 810782, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 428093, "source_page": 4}, {"security_name": "Broadcom Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Information Technology", "group_percent": 23.3, "shares": 6053242, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 2005439, "source_page": 4}, {"security_name": "Microsoft Corp.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Information Technology", "group_percent": 23.3, "shares": 4423694, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1903471, "source_page": 4}, {"security_name": "Texas Instruments Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Information Technology", "group_percent": 23.3, "shares": 6320771, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1362442, "source_page": 4}, {"security_name": "Apple Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Information Technology", "group_percent": 23.3, "shares": 5058731, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1312640, "source_page": 4}, {"security_name": "QUALCOMM Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Information Technology", "group_percent": 23.3, "shares": 5300089, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 803441, "source_page": 4}, {"security_name": "Accenture plc Class A", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Information Technology", "group_percent": 23.3, "shares": 2926694, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 771594, "source_page": 4}, {"security_name": "Amphenol Corp. Class A", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Information Technology", "group_percent": 23.3, "shares": 4539535, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 654056, "source_page": 4}, {"security_name": "Intuit Inc.", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Information Technology", "group_percent": 23.3, "shares": 1163434, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 580460, "source_page": 5}, {"security_name": "Linde plc", "marks": [], "asset_class": "Common Stocks", "asset_class_percent": 98.1, "group": "Materials", "group_percent": 2.7, "shares": 2345109, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 1071645, "source_page": 5}, {"security_name": "Vanguard Market Liquidity Fund, 3.704%", "marks": ["1"], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Money Market Fund", "group_percent": 0.0, "shares": 262, "face_amount_thousands": null, "inline_cost_thousands": null, "market_value_thousands": 26, "source_page": 5}, {"security_name": "Bank of America Securities, LLC 3.670%, 2/2/2026 (Dated 1/30/2026, Repurchase Value $60,018, collateralized by U.S. Treasury Obligations 0.000%–4.500%, 4/7/2026–11/15/2051, with a value of $61,200)", "marks": [], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Repurchase Agreements", "group_percent": 1.7, "shares": null, "face_amount_thousands": 60000, "inline_cost_thousands": null, "market_value_thousands": 60000, "source_page": 5}, {"security_name": "Bank of America Securities, LLC 3.680%, 2/2/2026 (Dated 1/30/2026, Repurchase Value $150,046, collateralized by U.S. Government Agency Obligations 3.500%, 12/1/2055, with a value of $153,000)", "marks": [], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Repurchase Agreements", "group_percent": 1.7, "shares": null, "face_amount_thousands": 150000, "inline_cost_thousands": null, "market_value_thousands": 150000, "source_page": 5}, {"security_name": "Credit Agricole Securities 3.660%, 2/2/2026 (Dated 1/30/2026, Repurchase Value $11,403, collateralized by U.S. Treasury Obligations 4.125%, 2/29/2032, with a value of $11,628)", "marks": [], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Repurchase Agreements", "group_percent": 1.7, "shares": null, "face_amount_thousands": 11400, "inline_cost_thousands": null, "market_value_thousands": 11400, "source_page": 5}, {"security_name": "JP Morgan Securities, LLC 3.660%, 2/2/2026 (Dated 1/30/2026, Repurchase Value $100,031, collateralized by U.S. Treasury Obligations 0.000%, 2/19/2026, with a value of $102,000)", "marks": [], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Repurchase Agreements", "group_percent": 1.7, "shares": null, "face_amount_thousands": 100000, "inline_cost_thousands": null, "market_value_thousands": 100000, "source_page": 5}, {"security_name": "Natixis SA 3.660%, 2/2/2026 (Dated 1/30/2026, Repurchase Value $131,540, collateralized by U.S. Treasury and Government Agency Obligations 0.125%–4.000%, 7/31/2026–11/15/2046, with a value of $134,130)", "marks": [], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Repurchase Agreements", "group_percent": 1.7, "shares": null, "face_amount_thousands": 131500, "inline_cost_thousands": null, "market_value_thousands": 131500, "source_page": 5}, {"security_name": "NatWest Markets plc 3.660%, 2/2/2026 (Dated 1/30/2026, Repurchase Value $18,906, collateralized by U.S. Treasury Obligations 3.375%, 9/15/2028, with a value of $19,278)", "marks": [], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Repurchase Agreements", "group_percent": 1.7, "shares": null, "face_amount_thousands": 18900, "inline_cost_thousands": null, "market_value_thousands": 18900, "source_page": 5}, {"security_name": "Nomura International plc 3.660%, 2/2/2026 (Dated 1/30/2026, Repurchase Value $165,050, collateralized by U.S. Treasury Obligations 0.000%–4.375%, 3/31/2026–8/15/2034, with a value of $168,300)", "marks": [], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Repurchase Agreements", "group_percent": 1.7, "shares": null, "face_amount_thousands": 165000, "inline_cost_thousands": null, "market_value_thousands": 165000, "source_page": 5}, {"security_name": "Societe Generale 3.660%, 2/2/2026 (Dated 1/30/2026, Repurchase Value $66,320, collateralized by U.S. Treasury Obligations 1.875%, 2/15/2051, with a value of $67,626)", "marks": [], "asset_class": "Temporary Cash Investments", "asset_class_percent": 1.7, "group": "Repurchase Agreements", "group_percent": 1.7, "shares": null, "face_amount_thousands": 66300, "inline_cost_thousands": null, "market_value_thousands": 66300, "source_page": 5}]}