# EDGAR Filing Document

**Accession Number:** 0000811030
**File Stem:** 0000894189-25-014352
**Filing Date:** 2025-11
**Character Count:** 16780
**Document Hash:** f6e1ba762cbb575d0e91caa6fb7af2b0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000894189-25-014352.hdr.sgml**: 20251124

**ACCESSION NUMBER**: 0000894189-25-014352

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251124

**DATE AS OF CHANGE**: 20251124

**PERIOD START**: 20260331

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PROFESSIONALLY MANAGED PORTFOLIOS
- **CENTRAL INDEX KEY:** 0000811030

**ORGANIZATION NAME:**
- **EIN:** 566415270
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-05037
- **FILM NUMBER:** 251511924

**BUSINESS ADDRESS:**
- **STREET 1:** 615 EAST MICHIGAN STREET
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 414-218-3770

**MAIL ADDRESS:**
- **STREET 1:** 615 EAST MICHIGAN STREET
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AVONDALE INVESTMENT TRUST
- **DATE OF NAME CHANGE:** 19910529

## Series and Classes Contracts Data

### Osterweis Opportunity Fund (Series ID: S000055531)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000174818 | Investor Class | OSTGX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** Professionally Managed Portfolios

- **b. Investment Company Act file number:** 811-05037

- **c. CIK number of Registrant:** 0000811030

- **d. LEI of Registrant:** 254900BPISCYGRJD2727

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 615 East Michigan Street

  - **City:** Milwaukee

  - **State:** WI

  - **Foreign country:** US

  - **Zip / Postal Code:** 53202

  - **Telephone number:** 414-516-1523

**Item A.2. Information about the Series.**

- **a. Name of Series:** Osterweis Opportunity Fund

- **b. EDGAR series identifier (if any):** S000055531

- **c. LEI of Series:** 2549006GRQIC9TNOY952

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2026-03-31

- **b. Date as of which information is reported:** 2025-09-30

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $317152538.90

**Total Liabilities:** $376135.45

**Net Assets:** $316776403.45

**Cash Not Reported:** $0.02

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000174818 | 1.88%                | 4.80%                | -1.53%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $1450230.99              | $4320001.46                                |
| Month 2  | $3079501.36              | $12123458.72                               |
| Month 3  | $7540393.50              | $-12178996.66                              |

**Designated Index Information**

- **Index Name:** N/A

- **Index Identifier:** N/A

### Schedule of Portfolio Investments

| Name                           | Title                                      | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Lithia Motors Inc              | Lithia Motors Inc                          | CUSIP: 536797103<br>LEI: SE8N1EZEHPZQBCBVKD53 | Long             | EC               | CORP              | US        |      9053 | NS      | $2860748.00   | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Repligen Corp                  | Repligen Corp                              | CUSIP: 759916109<br>LEI: 54930006QJ0T5AUO1E71 | Long             | EC               | CORP              | US        |     60280 | NS      | $8057627.60   | 2.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Silicon Motion Technology Corp | Silicon Motion Technology Corp             | CUSIP: 82706C108<br>LEI: 5299005RBVBZQJTYFC89 | Long             | EC               | CORP              | TW        |     24625 | NS      | $2334696.25   | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| SiTime Corp                    | SiTime Corp                                | CUSIP: 82982T106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     47300 | NS      | $14251963.00  | 4.50%             |  |  |  | No            |                  1 | On Loan: No      |
| AtriCure Inc                   | AtriCure Inc                               | CUSIP: 04963C209<br>LEI: 254900B2I6GPHK2EXM59 | Long             | EC               | CORP              | US        |    257580 | NS      | $9079695.00   | 2.87%             |  |  |  | No            |                  1 | On Loan: No      |
| CECO Environmental Corp        | CECO Environmental Corp                    | CUSIP: 125141101<br>LEI: 5493002CZCTL4HGLIY91 | Long             | EC               | CORP              | US        |    174255 | NS      | $8921856.00   | 2.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Lattice Semiconductor Corp     | Lattice Semiconductor Corp                 | CUSIP: 518415104<br>LEI: 549300LRBBPZDQ2II567 | Long             | EC               | CORP              | US        |     96290 | NS      | $7059982.80   | 2.23%             |  |  |  | No            |                  1 | On Loan: No      |
| FTAI Aviation Ltd              | FTAI Aviation Ltd                          | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | US        |     43335 | NS      | $7230878.10   | 2.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Genius Sports Ltd              | Genius Sports Ltd                          | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | GB        |    373200 | NS      | $4620216.00   | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Birkenstock Holding Plc        | Birkenstock Holding Plc                    | CUSIP: N/A<br>LEI: 529900CQ8LQKQ7LIT631       | Long             | EC               | CORP              | GB        |    106625 | NS      | $4824781.25   | 1.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Klaviyo Inc                    | Klaviyo Inc                                | CUSIP: 49845K101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    103975 | NS      | $2879067.75   | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Vericel Corp                   | Vericel Corp                               | CUSIP: 92346J108<br>LEI: 54930076YM3PLTDR4B91 | Long             | EC               | CORP              | US        |    244245 | NS      | $7686390.15   | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Vital Farms Inc                | Vital Farms Inc                            | CUSIP: 92847W103<br>LEI: 549300S6NYY7ER3XOT61 | Long             | EC               | CORP              | US        |    191265 | NS      | $7870554.75   | 2.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Waystar Holding Corp           | Waystar Holding Corp                       | CUSIP: 946784105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    180690 | NS      | $6851764.80   | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| ADMA Biologics Inc             | ADMA Biologics Inc                         | CUSIP: 000899104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    255395 | NS      | $3744090.70   | 1.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Affirm Holdings Inc            | Affirm Holdings Inc                        | CUSIP: 00827B106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     48200 | NS      | $3522456.00   | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Axos Financial Inc             | Axos Financial Inc                         | CUSIP: 05465C100<br>LEI: 529900D8M56422GK9O25 | Long             | EC               | CORP              | US        |    109820 | NS      | $9296263.00   | 2.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Casella Waste Systems Inc      | Casella Waste Systems Inc                  | CUSIP: 147448104<br>LEI: 8EU0XUFVJ48U37IIDH51 | Long             | EC               | CORP              | US        |     95030 | NS      | $9016446.40   | 2.85%             |  |  |  | No            |                  1 | On Loan: No      |
| Dutch Bros Inc                 | Dutch Bros Inc                             | CUSIP: 26701L100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     58645 | NS      | $3069479.30   | 0.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Chime Financial Inc            | Chime Financial Inc                        | CUSIP: 16935C109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    142010 | NS      | $2864341.70   | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Magnolia Oil & Gas Corp        | Magnolia Oil & Gas Corp                    | CUSIP: 559663109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    373280 | NS      | $8910193.60   | 2.81%             |  |  |  | No            |                  1 | On Loan: No      |
| SPX Technologies Inc           | SPX Technologies Inc                       | CUSIP: 78473E103<br>LEI: P761FCI0CPOG24I8JE10 | Long             | EC               | CORP              | US        |     50248 | NS      | $9385321.44   | 2.96%             |  |  |  | No            |                  1 | On Loan: No      |
| FirstService Corp              | FirstService Corp                          | CUSIP: 33767E202<br>LEI: 5493000XUDIV75BCF118 | Long             | EC               | CORP              | CA        |     75910 | NS      | $14460095.90  | 4.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilysys Inc                   | Agilysys Inc                               | CUSIP: 00847J105<br>LEI: 5299001XWB5V3B5IPN93 | Long             | EC               | CORP              | US        |     63785 | NS      | $6713371.25   | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Clearwater Analytics Holdings  | Clearwater Analytics Holdings Inc          | CUSIP: 185123106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    370435 | NS      | $6675238.70   | 2.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Ensign Group Inc/The           | Ensign Group Inc/The                       | CUSIP: 29358P101<br>LEI: 5493003K4HEEA8Q0BC72 | Long             | EC               | CORP              | US        |     23850 | NS      | $4120564.50   | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Glaukos Corp                   | Glaukos Corp                               | CUSIP: 377322102<br>LEI: 5299004JA1LHE21M6T14 | Long             | EC               | CORP              | US        |    113780 | NS      | $9278759.00   | 2.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Guardant Health Inc            | Guardant Health Inc                        | CUSIP: 40131M109<br>LEI: 254900M8C3E5VC8BR186 | Long             | EC               | CORP              | US        |    172590 | NS      | $10783423.20  | 3.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Guidewire Software Inc         | Guidewire Software Inc                     | CUSIP: 40171V100<br>LEI: 549300WXSG0J8IXZCK32 | Long             | EC               | CORP              | US        |     53462 | NS      | $12288775.32  | 3.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Life Time Group Holdings Inc   | Life Time Group Holdings Inc               | CUSIP: 53190C102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    274060 | NS      | $7564056.00   | 2.39%             |  |  |  | No            |                  1 | On Loan: No      |
| PROCEPT BioRobotics Corp       | PROCEPT BioRobotics Corp                   | CUSIP: 74276L105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    193885 | NS      | $6919755.65   | 2.18%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceTitan Inc               | ServiceTitan Inc                           | CUSIP: 81764X103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     73545 | NS      | $7415542.35   | 2.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Trex Co Inc                    | Trex Co Inc                                | CUSIP: 89531P105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    161400 | NS      | $8339538.00   | 2.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Credo Technology Group Holding | Credo Technology Group Holding Ltd         | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | US        |     31005 | NS      | $4514638.05   | 1.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Artivion Inc                   | Artivion Inc                               | CUSIP: 228903100<br>LEI: 549300YTKV8DMSMG6K81 | Long             | EC               | CORP              | US        |    198982 | NS      | $8424897.88   | 2.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Modine Manufacturing Co        | Modine Manufacturing Co                    | CUSIP: 607828100<br>LEI: Z35SZFYJR8GZZRSIUU09 | Long             | EC               | CORP              | US        |     51745 | NS      | $7356069.20   | 2.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Federated Hermes US Treasury C | Federated Hermes US Treasury Cash Reserves | CUSIP: 60934N682<br>LEI: 25490003NTA1P9CI5X97 | Long             | STIV             | RF                | US        |  33078658 | NS      | $33078658.18  | 10.44%            |  |  |  | No            |                  1 | On Loan: No      |
| Rambus Inc                     | Rambus Inc                                 | CUSIP: 750917106<br>LEI: 2549000211GDCQSLV833 | Long             | EC               | CORP              | US        |    125265 | NS      | $13052613.00  | 4.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Rubrik Inc                     | Rubrik Inc                                 | CUSIP: 781154109<br>LEI: 254900TRGK2WTBYMYU27 | Long             | EC               | CORP              | US        |     62830 | NS      | $5167767.50   | 1.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Turning Point Brands Inc       | Turning Point Brands Inc                   | CUSIP: 90041L105<br>LEI: 549300IYG00QF0VVP302 | Long             | EC               | CORP              | US        |     65965 | NS      | $6521299.90   | 2.06%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-11-24

**Name of Applicant:** Professionally Managed Portfolios

**Signature:** /s/ Kathryn LaPlante Johnson

**Name of Signer:** Kathryn LaPlante Johnson

**Title:** Assistant Treasurer