# BLUE FOUNDRY BANCORP COM

BLUE FOUNDRY BANCORP COM is a security (CUSIP 09549B104) tracked across SEC portfolio filings. 87 institutional managers reported $125.9M on Form 13F as of 2026-03-31; 6 registered fund positions totaling $3.1M via N-PORT as of 2026-03-31.

## Summary

- Issuer: BLUE FOUNDRY BANCORP
- Class: COM
- CUSIP: 09549B104
- Asset category: EC
- 13F holders: 87
- 13F value: $125.9M
- 13F period: 2026-03-31
- N-PORT fund positions: 6
- N-PORT value: $3.1M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 87 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $16.8M | 1,267,125 |
| GARDNER LEWIS ASSET MANAGEMENT L P | CHADDS FORD, PA | $13.5M | 1,018,887 |
| [First Trust Capital Management L.P.](https://search.stillhousedata.com/firm/317825) | Chicago, IL | $13.3M | 1,004,006 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $10.7M | 860,458 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $9.1M | 684,600 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $5.6M | 421,058 |
| STATE STREET CORP | BOSTON, MA | $5.4M | 411,028 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $4.7M | 358,672 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $4.5M | 338,400 |
| [PRELUDE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/158105) | NEW YORK, NY | $4.4M | 333,785 |
| Essex Financial Services, Inc. | ESSEX, CT | $4.3M | 321,281 |
| [MANGROVE PARTNERS](https://search.stillhousedata.com/firm/162296) | New York, NY | $2.6M | 198,659 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $2.5M | 191,747 |
| [Squarepoint Ops LLC](https://search.stillhousedata.com/firm/172116) | New York, NY | $2.0M | 152,559 |
| NORTHERN TRUST CORP | CHICAGO, IL | $2.0M | 147,371 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $2.6M | 0.31% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $331K | 0.69% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $135K | 0.02% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $32K | 0.77% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $8K | 0.00% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $5K | 0.04% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/09549B104.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.