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Equibles

BLFY

Blue Foundry Bancorp

Company with tickers: BLFY

CIK
1846017
CUSIP
09549B104
Shares Outstanding
20,761,225
13F Activity (30d)
48 filings 44 filers

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: 79
Total Value: $75,266,813
Total Shares: 5,684,808

Institutional Ownership Trend

21 quarters

Holder Concentration

Across 79 13F filers
Top Holder
17.9%
Dec 2023 → Mar 2026 · range 13.5% – 27.2%
of institutional value
Top 5
51.9%
Dec 2023 → Mar 2026 · range 47.7% – 70.5%
of institutional value
Top 10
70.0%
Dec 2023 → Mar 2026 · range 68.0% – 87.5%
of institutional value
HHI
754
Dec 2023 → Mar 2026 · range 627 – 1,233
Broadly held

Quarterly Activity

vs Jan 5, 2026
New
79
Increased
0
Decreased
0
Sold Out
1
Unchanged
0
Holder count: +78
Institutional value: +229.9%
Shares held: +219.4%

Top New Positions

vs Jan 5, 2026
Institution Acquired Value (USD) Open
Small GARDNER LEWIS ASSET MANAGEMENT L P 1,018,887 $13,490,063
Mega VANGUARD CAPITAL MANAGEMENT LLC 765,793 $10,139,099
Mega GEODE CAPITAL MANAGEMENT, LLC 421,058 $5,574,807
Mega STATE STREET CORP 411,028 $5,442,010
Mid PRELUDE CAPITAL MANAGEMENT, LLC 333,785 $4,419,313

Top Sold-Out Positions

vs Jan 5, 2026
Institution Previously Held Last Value (USD) Open
Small GLAZER CAPITAL, LLC 1,779,895 $22,818,253
Filter: New 79 Increased 0 Reduced 0 Sold out 1 Unchanged 0
Showing 80 of 80
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small GARDNER LEWIS ASSET MANAGEMENT L P $13,490,063 17.92% 1,018,887
Mega VANGUARD CAPITAL MANAGEMENT LLC $10,139,099 13.47% 765,793
Mega GEODE CAPITAL MANAGEMENT, LLC $5,574,807 7.41% 421,058
Mega STATE STREET CORP $5,442,010 7.23% 411,028
Mid PRELUDE CAPITAL MANAGEMENT, LLC $4,419,313 5.87% 333,785
Mid Essex Financial Services, Inc. $4,253,760 5.65% 321,281
Small ABC ARBITRAGE SA $2,658,340 3.53% 200,781
Mid MANGROVE PARTNERS IM, LLC $2,630,245 3.49% 198,659
Large Russell Investments Group, Ltd. $2,049,496 2.72% 154,796
Large Squarepoint Ops LLC $2,019,881 2.68% 152,559
Mega NORTHERN TRUST CORP Bank $1,951,191 2.59% 147,371
Micro Chicago Capital Management, LLC $1,933,198 2.57% 146,012
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,493,577 1.98% 112,808
Mega D. E. Shaw & Co., Inc. $1,304,669 1.73% 98,540
Large TUDOR INVESTMENT CORP ET AL $1,287,629 1.71% 97,253
Small Yakira Capital Management, Inc. $1,213,432 1.61% 91,649
Large Quantinno Capital Management LP $1,179,273 1.57% 89,069
Mega TWO SIGMA INVESTMENTS, LP $903,219 1.20% 68,219
Large OMERS ADMINISTRATION Corp $857,952 1.14% 64,800
Mid ODDO BHF ASSET MANAGEMENT SAS $674,763 0.90% 50,964
Large HighTower Advisors, LLC $595,839 0.79% 45,003
Large STRS OHIO $587,856 0.78% 44,400
Small Odyssean, LLC $574,006 0.76% 43,354
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $543,687 0.72% 41,064
Small OXFORD ASSET MANAGEMENT LLP $483,683 0.64% 36,532
Small WATER ISLAND CAPITAL LLC $472,111 0.63% 35,658
Mega AMERICAN CENTURY COMPANIES INC $431,081 0.57% 32,559
Mega Nuveen, LLC $383,827 0.51% 28,990
Small PenderFund Capital Management Ltd. $341,539 0.45% 25,796
Small Round Hill Asset Management $314,555 0.42% 23,758
Mega RHUMBLINE ADVISERS $313,496 0.42% 23,678
Large STIFEL FINANCIAL CORP $303,196 0.40% 22,900
Large Cerity Partners LLC $301,315 0.40% 22,758
Mid XTX Topco Ltd $265,210 0.35% 20,031
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $264,800 0.35% 20,000
Large Corient Private Wealth LLC $262,046 0.35% 19,792
Small Murchinson Ltd. $248,912 0.33% 18,800
Small WITTENBERG INVESTMENT MANAGEMENT, INC. $240,901 0.32% 18,195
Mega Legal & General Group Plc $213,415 0.28% 16,119
Mega PNC FINANCIAL SERVICES GROUP, INC. $212,660 0.28% 16,062
Mid Vanguard Personalized Indexing Management, LLC $210,860 0.28% 15,926
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $210,516 0.28% 15,900
Mid Virtu Financial LLC $208,172 0.28% 15,723
Large MERCER GLOBAL ADVISORS INC /ADV $205,206 0.27% 15,499
Mid CWA Asset Management Group, LLC $172,120 0.23% 13,000
Large MetLife Investment Management, LLC $168,796 0.22% 12,749
Micro FARLEY CAPITAL L.P. $149,122 0.20% 11,263
Large SEI INVESTMENTS CO $134,054 0.18% 10,125
Small SUMMIT SECURITIES GROUP LLC Broker-Dealer $131,777 0.18% 9,953
Large SG Americas Securities, LLC Broker-Dealer $126,230 0.17% 9,534
Mid Tower Research Capital LLC (TRC) $126,150 0.17% 9,528
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $113,334 0.15% 8,560
Large Police & Firemen's Retirement System of New Jersey Pension $84,444 0.11% 6,378
Mega Vanguard Global Advisers, LLC $81,042 0.11% 6,121
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $77,917 0.10% 5,885
Mega DEUTSCHE BANK AG\ Bank $52,443 0.07% 3,961
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $22,428 0.03% 1,694
Mid Ameritas Investment Partners, Inc. $19,714 0.03% 1,489
Mega BNP PARIBAS ARBITRAGE, SA $19,568 0.03% 1,478
Mega CITIGROUP INC $17,224 0.02% 1,301
Large JONES FINANCIAL COMPANIES LLLP $14,484 0.02% 1,094
Large CWM, LLC $13,835 0.02% 1,045
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $13,240 0.02% 1,000
Small Pinnacle Wealth Planning Services, Inc. $13,213 0.02% 998
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $12,882 0.02% 973
Mid MassMutual Private Wealth & Trust, FSB $11,796 0.02% 891
Mid Arax Advisory Partners $7,440 0.01% 562
Small Versant Capital Management, Inc $4,501 0.01% 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
Mid Optiver Holding B.V. $2,436 0.00% 184
Mid GAMMA Investing LLC $2,038 0.00% 154
Small Root Financial Partners, LLC $728 0.00% 55
Mid EverSource Wealth Advisors, LLC $277 0.00% 21
Mid Allworth Financial LP $145 0.00% 11
Small Sunbelt Securities, Inc. Broker-Dealer $92 0.00% 7
Micro True Wealth Design, LLC $79 0.00% 6
Mid ROTHSCHILD INVESTMENT LLC $13 0.00% 1
Mid IFP Advisors, Inc $13 0.00% 1

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