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BLFY

Blue Foundry Bancorp
$13.24 +0.00 (+0.00%) At close · Apr 1
Market Cap
$274.88M
Shares
19,132,011

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 108
Total Value: $159,306,893
Total Shares: 12,032,248
Showing 1–100 of 109 holdings by value · page 1 of 2

Institutional Ownership Trend

19 quarters

Holder Concentration

Across 108 13F filers · Δ vs Dec 31, 2025
Top Holder
14.3%
Jun 2023 → Mar 2026 · range 14.3% – 27.2%
−7.5 pts
Top 5
48.0%
Jun 2023 → Mar 2026 · range 48.0% – 70.5%
−7.8 pts
Top 10
66.4%
Jun 2023 → Mar 2026 · range 66.4% – 87.5%
−8.0 pts
HHI
608
Jun 2023 → Mar 2026 · range 608 – 1,230
Broadly held−261

Quarterly Activity

vs Dec 31, 2025
New
22
Increased
40
Decreased
26
Sold Out
19
Unchanged
20
Holder count: +3
Institutional value: -9.2%
Shares held: -14.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Small GARDNER LEWIS ASSET MANAGEMENT L P +993,225 1,018,887
Mid GLAZER CAPITAL, LLC +758,914 1,719,910
Mid First Trust Capital Management L.P. +401,738 1,004,006
Mid PRELUDE CAPITAL MANAGEMENT, LLC +317,703 333,785
Mega MILLENNIUM MANAGEMENT LLC +156,141 191,747

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega DIMENSIONAL FUND ADVISORS LP −167,663 684,600
Mega BlackRock, Inc. −98,319 1,267,125
Mega JANE STREET GROUP, LLC −67,124 44,879
Mega STATE STREET CORP −45,869 411,028
Mega MORGAN STANLEY −26,758 97,060

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 765,793 $10,139,099
Mega VANGUARD FIDUCIARY TRUST CO 112,808 $1,493,577
Small Yakira Capital Management, Inc. 91,649 $1,213,432
Large Balyasny Asset Management L.P. 84,856 $1,123,493
Mid ODDO BHF ASSET MANAGEMENT SAS 50,964 $674,763

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega T. Rowe Price Investment Management, Inc. 2,580,988 $32,081,680
— Blue Foundry Bank Employee Stock Ownership Plan Trust 2,244,633 $27,900,788
Mega VANGUARD GROUP INC 860,458 $10,695,491
Large Driehaus Capital Management LLC 400,997 $4,984,392
Large Trexquant Investment LP 137,014 $1,703,084
Filter: New 22 Increased 40 Reduced 26 Sold out 19 Unchanged 20
Showing 100 of 109
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mid GLAZER CAPITAL, LLC $22,771,608 14.29% 1,719,910
Mega BlackRock, Inc. $16,776,731 10.53% 1,267,125
Small GARDNER LEWIS ASSET MANAGEMENT L P $13,490,063 8.47% 1,018,887
Mid First Trust Capital Management L.P. $13,293,039 8.34% 1,004,006
Mega VANGUARD CAPITAL MANAGEMENT LLC $10,139,099 6.36% 765,793
Mega DIMENSIONAL FUND ADVISORS LP $9,064,103 5.69% 684,600
Mega GEODE CAPITAL MANAGEMENT, LLC $5,574,807 3.50% 421,058
Mega STATE STREET CORP $5,442,010 3.42% 411,028
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $4,748,817 2.98% 358,672
Large RENAISSANCE TECHNOLOGIES LLC $4,480,416 2.81% 338,400
Mid PRELUDE CAPITAL MANAGEMENT, LLC $4,419,313 2.77% 333,785
Mid Essex Financial Services, Inc. $4,253,760 2.67% 321,281
Small ABC ARBITRAGE SA $2,658,340 1.67% 200,781
Mid MANGROVE PARTNERS IM, LLC $2,630,245 1.65% 198,659
Mega MILLENNIUM MANAGEMENT LLC $2,538,730 1.59% 191,747
Large Russell Investments Group, Ltd. $2,049,496 1.29% 154,796
Large Squarepoint Ops LLC $2,019,881 1.27% 152,559
Mega NORTHERN TRUST CORP Bank $1,951,191 1.22% 147,371
Micro Chicago Capital Management, LLC $1,933,198 1.21% 146,012
Mega GOLDMAN SACHS GROUP INC $1,645,679 1.03% 124,296
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,493,577 0.94% 112,808
Mega D. E. Shaw & Co., Inc. $1,304,669 0.82% 98,540
Large TUDOR INVESTMENT CORP ET AL $1,287,629 0.81% 97,253
Mega MORGAN STANLEY $1,285,071 0.81% 97,060
Small Yakira Capital Management, Inc. $1,213,432 0.76% 91,649
Large Quantinno Capital Management LP $1,179,273 0.74% 89,069
Large Balyasny Asset Management L.P. $1,123,493 0.71% 84,856
Large NOMURA HOLDINGS INC $1,049,031 0.66% 79,232
Mega TWO SIGMA INVESTMENTS, LP $903,219 0.57% 68,219
Large OMERS ADMINISTRATION Corp $857,952 0.54% 64,800
Mid ODDO BHF ASSET MANAGEMENT SAS $674,763 0.42% 50,964
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $658,544 0.41% 49,739
Mega CITADEL ADVISORS LLC $631,548 0.40% 47,700
Mega Bank of New York Mellon Corp Bank $629,005 0.39% 47,508
Large HighTower Advisors, LLC $595,839 0.37% 45,003
Mega JANE STREET GROUP, LLC $594,197 0.37% 44,879
Large STRS OHIO $587,856 0.37% 44,400
Small Odyssean, LLC $574,006 0.36% 43,354
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $543,687 0.34% 41,064
Small OXFORD ASSET MANAGEMENT LLP $483,683 0.30% 36,532
Small WATER ISLAND CAPITAL LLC $472,111 0.30% 35,658
Mega AMERICAN CENTURY COMPANIES INC $431,081 0.27% 32,559
Large Point72 Asset Management, L.P. $430,273 0.27% 32,498
Large STATE OF WISCONSIN INVESTMENT BOARD $429,479 0.27% 32,438
Mega Nuveen, LLC $383,827 0.24% 28,990
Large LMR Partners LLP $348,450 0.22% 26,318
Small PenderFund Capital Management Ltd. $341,539 0.21% 25,796
Large Qube Research & Technologies Ltd $316,568 0.20% 23,910
Small Round Hill Asset Management $314,555 0.20% 23,758
Mega RHUMBLINE ADVISERS $313,496 0.20% 23,678
Large STIFEL FINANCIAL CORP $303,196 0.19% 22,900
Large Cerity Partners LLC $301,315 0.19% 22,758
Mid XTX Topco Ltd $265,210 0.17% 20,031
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $264,800 0.17% 20,000
Large Corient Private Wealth LLC $262,046 0.16% 19,792
Small Murchinson Ltd. $248,912 0.16% 18,800
Mega ALLIANCEBERNSTEIN L.P. $241,232 0.15% 18,220
Small WITTENBERG INVESTMENT MANAGEMENT, INC. $240,901 0.15% 18,195
Mega AQR CAPITAL MANAGEMENT LLC $219,848 0.14% 16,605
Mega Legal & General Group Plc $213,415 0.13% 16,119
Mega PNC FINANCIAL SERVICES GROUP, INC. $212,660 0.13% 16,062
Mid Vanguard Personalized Indexing Management, LLC $210,860 0.13% 15,926
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $210,516 0.13% 15,900
Mid Virtu Financial LLC $208,172 0.13% 15,723
Large MERCER GLOBAL ADVISORS INC /ADV $205,206 0.13% 15,499
Mid CWA Asset Management Group, LLC $172,120 0.11% 13,000
Large MetLife Investment Management, LLC $168,796 0.11% 12,749
Mega PRICE T ROWE ASSOCIATES INC /MD/ $166,320 0.10% 12,562
Large Schonfeld Strategic Advisors LLC $158,191 0.10% 11,948
Micro FARLEY CAPITAL L.P. $149,122 0.09% 11,263
Mega UBS Group AG $141,548 0.09% 10,691
Large SEI INVESTMENTS CO $134,054 0.08% 10,125
Small SUMMIT SECURITIES GROUP LLC Broker-Dealer $131,777 0.08% 9,953
Large SG Americas Securities, LLC Broker-Dealer $126,230 0.08% 9,534
Mid Tower Research Capital LLC (TRC) $126,150 0.08% 9,528
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $113,334 0.07% 8,560
Mega JPMORGAN CHASE & CO $98,292 0.06% 7,424
Mega WELLS FARGO & COMPANY/MN $95,049 0.06% 7,179
Large Police & Firemen's Retirement System of New Jersey Pension $84,444 0.05% 6,378
Mega Vanguard Global Advisers, LLC $81,042 0.05% 6,121
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $77,917 0.05% 5,885
Mega DEUTSCHE BANK AG\ Bank $52,443 0.03% 3,961
Mega FMR LLC $44,671 0.03% 3,374
Mega ROYAL BANK OF CANADA Bank $35,257 0.02% 2,663
Mega BARCLAYS PLC $24,890 0.02% 1,880
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $22,428 0.01% 1,694
Mid Ameritas Investment Partners, Inc. $19,714 0.01% 1,489
Mega BNP PARIBAS ARBITRAGE, SA $19,568 0.01% 1,478
Mega CITIGROUP INC $17,224 0.01% 1,301
Large JONES FINANCIAL COMPANIES LLLP $14,484 0.01% 1,094
Large CWM, LLC $13,835 0.01% 1,045
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $13,240 0.01% 1,000
Small Pinnacle Wealth Planning Services, Inc. $13,213 0.01% 998
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $12,882 0.01% 973
Mid MassMutual Private Wealth & Trust, FSB $11,796 0.01% 891
Mid Arax Advisory Partners $7,440 0.00% 562
Small Versant Capital Management, Inc $4,501 0.00% 340
Mid Smartleaf Asset Management LLC $3,521 0.00% 266
Large OSAIC HOLDINGS, INC. $2,475 0.00% 187
Small Essential Partners LLC $2,436 0.00% 184
Key facts CIK 1846017 CUSIP 09549B104 Visit website

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