# EDGAR Filing Document

**Accession Number:** 0001490429
**File Stem:** 0001490429-25-000002
**Filing Date:** 2025-6
**Character Count:** 10237
**Document Hash:** 931248daab843431e01cbc5af6e4cce9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001490429-25-000002.hdr.sgml**: 20250606

**ACCESSION NUMBER**: 0001490429-25-000002

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250331

**FILED AS OF DATE**: 20250606

**DATE AS OF CHANGE**: 20250606

**EFFECTIVENESS DATE**: 20250606

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** First Long Island Investors, LLC
- **CENTRAL INDEX KEY:** 0001490429

**ORGANIZATION NAME:**
- **EIN:** 113443995
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-13892
- **FILM NUMBER:** 251031305

**BUSINESS ADDRESS:**
- **STREET 1:** 1 JERICHO PLAZA, SUITE 201
- **CITY:** JERICHO
- **STATE:** NY
- **ZIP:** 11753
- **BUSINESS PHONE:** (516) 935-1200

**MAIL ADDRESS:**
- **STREET 1:** 1 JERICHO PLAZA, SUITE 201
- **CITY:** JERICHO
- **STATE:** NY
- **ZIP:** 11753

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 03-31-2025

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** First Long Island Investors LLC<br>**Address:** 1 JERICHO PLAZA SUITE 201<br>JERICHO, NY 11753

**Form 13F File Number:** 028-13892

**CRD Number (if applicable):** 000167212

**SEC File Number (if applicable):** 801-21607

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Jonathan A. Golub<br>**Title:** Sr. VP General Counsel and Chief Compliance Officer<br>**Phone:** 516-935-1200

**Signature, Place, and Date of Signing:**

Jonathan Golub  Jericho, NY  06-06-2025<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 65

**Form 13F Information Table Value Total:** $1213543639

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ASTRAZENECA PLC SPON ADR | COM | 046353108 |  | 282313 | 3841 | SH |  | SOLE |  | 3841 | 0 | 0 |
| ABBOTT LABS COM | COM | 002824100 |  | 56618204 | 426824 | SH |  | SOLE |  | 426824 | 0 | 0 |
| ABBVIE INC COM | COM | 00287Y109 |  | 25318606 | 120841 | SH |  | SOLE |  | 120841 | 0 | 0 |
| ACCENTURE PLC IRELAND SHS CLAS | COM | G1151C101 |  | 23398319 | 74985 | SH |  | SOLE |  | 74985 | 0 | 0 |
| ADOBE INC COM | COM | 00724F101 |  | 18729304 | 48834 | SH |  | SOLE |  | 48834 | 0 | 0 |
| AIRBNB INC CL A | COM | 009066101 |  | 10574480 | 88519 | SH |  | SOLE |  | 88519 | 0 | 0 |
| ALPHABET INC CAP STK CL A | COM | 02079K305 |  | 30577276 | 197732 | SH |  | SOLE |  | 197732 | 0 | 0 |
| ALPHABET INC CAP STK CL C | COM | 02079K107 |  | 10054025 | 64354 | SH |  | SOLE |  | 64354 | 0 | 0 |
| AMAZON COM INC COM | COM | 023135106 |  | 54928062 | 288700 | SH |  | SOLE |  | 288700 | 0 | 0 |
| AMGEN INC COM | COM | 031162100 |  | 22385179 | 71851 | SH |  | SOLE |  | 71851 | 0 | 0 |
| AMPHENOL CORP NEW CL A | COM | 032095101 |  | 16460466 | 250960 | SH |  | SOLE |  | 250960 | 0 | 0 |
| APPLE INC COM | COM | 037833100 |  | 32966091 | 148409 | SH |  | SOLE |  | 148409 | 0 | 0 |
| AUTODESK INC COM | COM | 052769106 |  | 220174 | 841 | SH |  | SOLE |  | 841 | 0 | 0 |
| AUTOMATIC DATA PROCESSING INC | COM | 053015103 |  | 60896101 | 199313 | SH |  | SOLE |  | 199313 | 0 | 0 |
| BLACKROCK INC COM | COM | 09247X101 |  | 20931405 | 22115 | SH |  | SOLE |  | 22115 | 0 | 0 |
| BLACKSTONE INC | COM | 09260D107 |  | 22885620 | 163726 | SH |  | SOLE |  | 163726 | 0 | 0 |
| BROADCOM LTD SGD | COM | 11135F101 |  | 12744269 | 76117 | SH |  | SOLE |  | 76117 | 0 | 0 |
| CADENCE DESIGN SYS INC | COM | 127387108 |  | 5334317 | 20974 | SH |  | SOLE |  | 20974 | 0 | 0 |
| CDN NATL RAILWAY CO CAD | COM | 136375102 |  | 15302195 | 157010 | SH |  | SOLE |  | 157010 | 0 | 0 |
| CHEVRON CORP NEW COM | COM | 166764100 |  | 16395926 | 98009 | SH |  | SOLE |  | 98009 | 0 | 0 |
| COMCAST CORP NEW CL A | COM | 20030N101 |  | 498519 | 13510 | SH |  | SOLE |  | 13510 | 0 | 0 |
| CONSTELLATION BRANDS CL A | COM | 21036P108 |  | 9325569 | 50815 | SH |  | SOLE |  | 50815 | 0 | 0 |
| DISNEY WALT CO COM DISNEY | COM | 254687106 |  | 11813403 | 119690 | SH |  | SOLE |  | 119690 | 0 | 0 |
| EATON CORP PLC SHS | COM | G29183103 |  | 14707090 | 54104 | SH |  | SOLE |  | 54104 | 0 | 0 |
| FASTENAL CO COM | COM | 311900104 |  | 19941905 | 257149 | SH |  | SOLE |  | 257149 | 0 | 0 |
| HOME DEPOT INC COM | COM | 437076102 |  | 15475040 | 42225 | SH |  | SOLE |  | 42225 | 0 | 0 |
| ILLINOIS TOOL WKS INC COM | COM | 452308109 |  | 13995700 | 56432 | SH |  | SOLE |  | 56432 | 0 | 0 |
| INTERCONTINENTAL EXCHANGE INC | COM | 45866F104 |  | 293250 | 1700 | SH |  | SOLE |  | 1700 | 0 | 0 |
| INTUIT COM | COM | 461202103 |  | 9396503 | 15304 | SH |  | SOLE |  | 15304 | 0 | 0 |
| INTUITIVE SURGICAL INC | COM | 46120E602 |  | 5745132 | 11600 | SH |  | SOLE |  | 11600 | 0 | 0 |
| INVESCO EXCHANGE TRADED FD TR | COM | 46137V613 |  | 222255 | 5500 | SH |  | SOLE |  | 5500 | 0 | 0 |
| INVESCO QQQ TR UNIT SER 1 | COM | 46090E103 |  | 410305 | 875 | SH |  | SOLE |  | 875 | 0 | 0 |
| JOHNSON  JOHNSON COM | COM | 478160104 |  | 19393330 | 116940 | SH |  | SOLE |  | 116940 | 0 | 0 |
| JPMORGAN CHASE  CO COM | COM | 46625H100 |  | 29360938 | 119694 | SH |  | SOLE |  | 119694 | 0 | 0 |
| LILLY ELI  CO COM | COM | 532457108 |  | 22316088 | 27020 | SH |  | SOLE |  | 27020 | 0 | 0 |
| LOWES COS INC COM | COM | 548661107 |  | 36859902 | 158041 | SH |  | SOLE |  | 158041 | 0 | 0 |
| MASTERCARD INCORPORATED CL A | COM | 57636Q104 |  | 37331357 | 68108 | SH |  | SOLE |  | 68108 | 0 | 0 |
| MCDONALDS CORP COM | COM | 580135101 |  | 16212003 | 51900 | SH |  | SOLE |  | 51900 | 0 | 0 |
| MERCK  CO. INC COM | COM | 58933Y105 |  | 368465 | 4105 | SH |  | SOLE |  | 4105 | 0 | 0 |
| META PLATFORMS INC CL A | COM | 30303M102 |  | 27032437 | 46902 | SH |  | SOLE |  | 46902 | 0 | 0 |
| MICROSOFT CORP COM | COM | 594918104 |  | 60129595 | 160179 | SH |  | SOLE |  | 160179 | 0 | 0 |
| MONDELEZ INTERNATIONAL INC | COM | 609207105 |  | 17029129 | 250982 | SH |  | SOLE |  | 250982 | 0 | 0 |
| MSCI ORD SHS | COM | 55354g100 |  | 9850444 | 17419 | SH |  | SOLE |  | 17419 | 0 | 0 |
| NETFLIX INC COM | COM | 64110L106 |  | 10552509 | 11316 | SH |  | SOLE |  | 11316 | 0 | 0 |
| NVIDIA CORPORATION COM | COM | 67066G104 |  | 41829803 | 385955 | SH |  | SOLE |  | 385955 | 0 | 0 |
| PARKER HANNIFIN CORP COM | COM | 701094104 |  | 36907436 | 60718 | SH |  | SOLE |  | 60718 | 0 | 0 |
| PAYCHEX INC | COM | 704326107 |  | 10658588 | 69086 | SH |  | SOLE |  | 69086 | 0 | 0 |
| PEPSICO INC COM | COM | 713448108 |  | 16389642 | 109308 | SH |  | SOLE |  | 109308 | 0 | 0 |
| PHILIP MORRIS INTL INC COM | COM | 718172109 |  | 26006641 | 163842 | SH |  | SOLE |  | 163842 | 0 | 0 |
| QUALCOMM INC COM | COM | 747525103 |  | 28656099 | 186551 | SH |  | SOLE |  | 186551 | 0 | 0 |
| SELECT SECTOR SPDR TR SBI HEAL | COM | 81369Y209 |  | 274499 | 1880 | SH |  | SOLE |  | 1880 | 0 | 0 |
| STRYKER CORPORATION COM | COM | 863667101 |  | 327580 | 880 | SH |  | SOLE |  | 880 | 0 | 0 |
| SYNOPSYS INC | COM | 871607107 |  | 13508346 | 31499 | SH |  | SOLE |  | 31499 | 0 | 0 |
| TAIWAN SEMICONDUCTOR MFG LTD S | COM | 874039100 |  | 20054460 | 120810 | SH |  | SOLE |  | 120810 | 0 | 0 |
| TEXAS INSTRS INC COM | COM | 882508104 |  | 228399 | 1271 | SH |  | SOLE |  | 1271 | 0 | 0 |
| THERMO FISHER SCIENTIFIC INC C | COM | 883556102 |  | 483170 | 971 | SH |  | SOLE |  | 971 | 0 | 0 |
| UBER TECHNOLOGIES INC | COM | 90353T100 |  | 13534765 | 185764 | SH |  | SOLE |  | 185764 | 0 | 0 |
| UNITED PARCEL SERVICE INC CL B | COM | 911312106 |  | 362197 | 3293 | SH |  | SOLE |  | 3293 | 0 | 0 |
| UNITEDHEALTH GROUP INC COM | COM | 91324P102 |  | 55592920 | 106144 | SH |  | SOLE |  | 106144 | 0 | 0 |
| US BANCORP DEL COM NEW | COM | 902973304 |  | 14019995 | 332070 | SH |  | SOLE |  | 332070 | 0 | 0 |
| VANGUARD INDEX FDS MID CAP ETF | COM | 922908629 |  | 230172 | 890 | SH |  | SOLE |  | 890 | 0 | 0 |
| VISA INC COM CL A | COM | 92826C839 |  | 35626362 | 101656 | SH |  | SOLE |  | 101656 | 0 | 0 |
| WILLIAMS SONOMA INC COM | COM | 969904101 |  | 21232514 | 134298 | SH |  | SOLE |  | 134298 | 0 | 0 |
| WORKDAY INC CL A | COM | 98138H101 |  | 4086775 | 17500 | SH |  | SOLE |  | 17500 | 0 | 0 |
| ZOETIS INC CL A | COM | 98978V103 |  | 28270076 | 171698 | SH |  | SOLE |  | 171698 | 0 | 0 |

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