HolderBook

BLUE FOUNDRY BANCORP (BLFY)

Institutional ownership reported to the SEC as of Q1 2026, across 19 quarters.

106
Reporting holders
$137.0M
Reported value
0.6%
Held as options
+10
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
BlackRock, Inc.$16.8M1,267,1250.00%7q-7.2%-$1.3M
GARDNER LEWIS ASSET MANAGEMENT L P$13.5M1,018,8872.92%2q+3870.4%+$13.2M
First Trust Capital Management L.P.$13.3M1,004,0060.70%2q+66.7%+$5.3M
VANGUARD CAPITAL MANAGEMENT LLC$10.1M765,7930.00%newFIRST
DIMENSIONAL FUND ADVISORS LP$9.1M684,6000.00%15q-19.7%-$2.2M
GEODE CAPITAL MANAGEMENT, LLC$5.6M421,0580.00%19q+0.8%+$44.0K
STATE STREET CORP$5.4M411,0280.00%19q-10.0%-$607.3K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$4.7M358,6720.00%4q+71.2%+$2.0M
RENAISSANCE TECHNOLOGIES LLC$4.5M338,4000.01%16q+58.0%+$1.6M
PRELUDE CAPITAL MANAGEMENT, LLC$4.4M333,7850.34%2q+1975.5%+$4.2M
Essex Financial Services, Inc.$4.3M321,2810.24%19q-1.5%-$65.5K
ABC ARBITRAGE SA$2.7M200,7810.35%2qHELD
MANGROVE PARTNERS IM, LLC$2.6M198,6590.21%10qHELD
MILLENNIUM MANAGEMENT LLC$2.5M191,7470.00%7q+438.5%+$2.1M
Russell Investments Group, Ltd.$2.0M154,7960.00%10q+604.4%+$1.8M
Squarepoint Ops LLC$2.0M152,5590.00%8q+141.8%+$1.2M
NORTHERN TRUST CORP$2.0M147,3710.00%19q+3.3%+$62.5K
GOLDMAN SACHS GROUP INC$1.6M124,2960.00%19q+36.6%+$440.5K
VANGUARD FIDUCIARY TRUST CO$1.5M112,8080.00%newFIRST
Chicago Capital Management, LLC$1.5M146,0121.20%2q+639.9%+$1.3M
VANGUARD PORTFOLIO MANAGEMENT LLC$1.4M104,0240.00%newFIRST
D. E. Shaw & Co., Inc.$1.3M98,5400.00%12q-10.3%-$149.4K
TUDOR INVESTMENT CORP ET AL$1.3M97,2530.00%2qHELD
MORGAN STANLEY$1.3M97,0600.00%19q-21.6%-$354.3K
Yakira Capital Management, Inc.$1.2M91,6490.36%newNEW
Quantinno Capital Management LP$1.2M89,0690.00%6q+14.5%+$149.0K
Balyasny Asset Management L.P.$1.1M84,8560.00%newNEW
NOMURA HOLDINGS INC$1.0M79,2320.00%2q+348.6%+$815.2K
TWO SIGMA INVESTMENTS, LP$903.2K68,2190.00%3q+426.5%+$731.7K
OMERS ADMINISTRATION Corp$858.0K64,8000.01%2q+198.6%+$570.6K
SUSQUEHANNA INTERNATIONAL GROUP, LLP$754.2K41,0640.00%2q-29.4%-$314.5K
ODDO BHF ASSET MANAGEMENT SAS$673.8K50,9640.03%newNEW
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$658.5K49,7390.00%19q-10.8%-$80.0K
CITADEL ADVISORS LLC$631.5Koptions only0.00%newOPTIONS
Bank of New York Mellon Corp$629.0K47,5080.00%19q-4.5%-$29.5K
HighTower Advisors, LLC$595.8K45,0030.00%16qHELD
JANE STREET GROUP, LLC$594.2K44,8790.00%8q-59.9%-$888.7K
STRS OHIO$587.9K44,4000.00%15qHELD
Odyssean, LLC$574.0K43,3540.21%2q+162.4%+$355.2K
OXFORD ASSET MANAGEMENT LLP$483.7K36,5320.20%2q-20.0%-$120.9K
WATER ISLAND CAPITAL LLC$472.1K35,6580.05%newNEW
AMERICAN CENTURY COMPANIES INC$431.1K32,5590.00%12q+70.7%+$178.6K
Point72 Asset Management, L.P.$430.3K32,4980.00%2q+163.1%+$266.7K
STATE OF WISCONSIN INVESTMENT BOARD$429.5K32,4380.00%newNEW
Nuveen, LLC$383.8K28,9900.00%5qHELD
LMR Partners LLP$348.4K26,3180.00%newNEW
PenderFund Capital Management Ltd.$341.5K25,7960.05%2q+19.4%+$55.6K
Qube Research & Technologies Ltd$316.6K23,9100.00%newNEW
Round Hill Asset Management$314.6K23,7580.21%10q-3.7%-$12.2K
RHUMBLINE ADVISERS$313.5K23,6780.00%19q-2.0%-$6.5K
STIFEL FINANCIAL CORP$303.2K22,9000.00%newNEW
Cerity Partners LLC$301.3K22,7580.00%9q-2.7%-$8.3K
XTX Topco Ltd$265.2K20,0310.00%newNEW
BRIDGEWAY CAPITAL MANAGEMENT, LLC$264.8K20,0000.01%9qHELD
Corient Private Wealth LLC$262.0K19,7920.00%11q-37.2%-$155.4K
Murchinson Ltd.$248.9K18,8000.03%newNEW
WITTENBERG INVESTMENT MANAGEMENT, INC.$240.9K18,1950.09%11q-26.4%-$86.5K
ALLIANCEBERNSTEIN L.P.$226.5K18,2200.00%8qHELD
AQR CAPITAL MANAGEMENT LLC$219.8K16,6050.00%3q+22.0%+$39.7K
Legal & General Group Plc$213.4K16,1190.00%19q+836.6%+$190.6K
PNC FINANCIAL SERVICES GROUP, INC.$212.7K16,0620.00%8q+16.8%+$30.7K
Vanguard Personalized Indexing Management, LLC$210.9K15,9260.00%newNEW
MERCER GLOBAL ADVISORS INC /ADV$205.2K15,4990.00%2q+20.8%+$35.3K
WELLS FARGO & COMPANY/MN$190.1K14,3580.00%19q-30.7%-$84.1K
CWA Asset Management Group, LLC$172.1K13,0000.01%newNEW
MetLife Investment Management, LLC$168.8K12,7490.00%19qHELD
Schonfeld Strategic Advisors LLC$158.2K11,9480.00%newNEW
FARLEY CAPITAL L.P.$149.1K11,2630.12%18qHELD
UBS Group AG$141.5K10,6910.00%19q-2.7%-$4.0K
SEI INVESTMENTS CO$134.1K10,1250.00%4q+0.9%+$1.2K
SUMMIT SECURITIES GROUP LLC$131.8K9,9530.02%newNEW
Tower Research Capital LLC (TRC)$126.2K9,5280.00%19q+260.5%+$91.2K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$113.3K8,5600.00%8q+2.4%+$2.7K
JPMORGAN CHASE & CO$95.0K7,4240.00%19q-25.5%-$32.5K
Police & Firemen's Retirement System of New Jersey$84.4K6,3780.00%6qHELD
Vanguard Global Advisers, LLC$81.0K6,1210.00%newFIRST
NEW YORK STATE COMMON RETIREMENT FUND$77.9K5,8850.00%19q-23.4%-$23.8K
DEUTSCHE BANK AG\$52.4K3,9610.00%2q-79.0%-$197.6K
FMR LLC$44.7K3,3740.00%18q+16.2%+$6.2K
ROYAL BANK OF CANADA$35.0K2,6480.00%19q-42.5%-$25.9K
BARCLAYS PLC$24.9K1,8800.00%17q-93.3%-$346.2K
GLAZER CAPITAL, LLC$22.7K1,719,9100.48%2q+79.0%+$10.0K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$22.4K1,6940.00%2q+344.6%+$17.4K
SIMPLEX TRADING, LLC$21.2Koptions only0.00%2qOPTIONS
Ameritas Investment Partners, Inc.$19.7K1,4890.00%19qHELD
BNP PARIBAS FINANCIAL MARKETS$19.6K1,4780.00%6q-64.2%-$35.1K
CITIGROUP INC$17.2K1,3010.00%12q+219.7%+$11.8K
JONES FINANCIAL COMPANIES LLLP$14.0K1,0940.00%newNEW
CWM, LLC$13.8K1,0450.00%8q+7.1%
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$13.2K1,0000.00%newNEW
Pinnacle Wealth Planning Services, Inc.$13.2K9980.00%2qHELD
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$12.9K9730.00%19q-12.2%-$1.8K
MassMutual Private Wealth & Trust, FSB$11.8K8910.00%10qHELD
Arax Advisory Partners$7.4K5620.00%6qHELD
Versant Capital Management, Inc$4.5K3400.00%6qHELD
Smartleaf Asset Management LLC$3.4K2660.00%6qHELD
OSAIC HOLDINGS, INC.$2.5K1870.00%10qHELD
Optiver Holding B.V.$2.4K1840.00%3q-47.7%-$2.2K
Essential Partners LLC$2.4K1840.00%4qHELD
GAMMA Investing LLC$2.0K1540.00%8q+71.1%

Five percent filings

Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →

FiledFormFiler % of class
2026-08-1413G/AFirst Trust Capital Management L.P.with 2 co-filers0.0%

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q1 2026106$137.0M10,322,1071834270.6%
Q4 202596$102.9M8,240,2102424350.7%
Q3 202576$70.0M7,700,293625260.0%
Q2 202574$83.1M8,679,937727260.0%
Q1 202575$90.7M9,021,988523240.0%
Q4 202477$87.2M8,857,297925190.4%
Q3 202471$93.9M9,138,7521222190.4%
Q2 202462$80.9M8,849,699819160.0%
Q1 202465$86.3M9,212,699515170.0%
Q4 202364$88.3M9,111,681819140.2%
Q3 202363$73.1M8,660,430510250.8%
Q2 202364$90.7M8,903,5721113250.8%
Q1 202362$95.3M9,999,107718170.1%
Q4 202255$89.5M6,953,796714150.2%
Q3 202266$134.5M12,058,8481117220.0%
Q2 202264$144.8M12,064,1511017230.1%
Q1 202260$155.4M11,470,312817230.0%
Q4 202158$162.6M11,110,363122090.0%
Q3 202154$134.7M9,770,30954000.0%