Ken Griffin
BLFY

Ken Griffin’s Blue Foundry Bancorp BLFY Stock Holding History

Ken Griffin’s Portfolio BLFY Stock Details BLFY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-55,080
Closed -$501K – 12708
2025
Q3 		$501K Sell
55,080
-7,496
-12% -$68.8K ﹤0.01% 9140
2025
Q2 		$599K Sell
62,576
-32,354
-34% -$300K ﹤0.01% 8211
2025
Q1 		$873K Buy
94,930
+55,261
+139% +$528K ﹤0.01% 7261
2024
Q4 		$389K Buy
39,669
+29,179
+278% +$304K ﹤0.01% 9112
2024
Q3 		$108K Sell
10,490
-1,883
-15% -$19.6K ﹤0.01% 11012
2024
Q2 		$112K Buy
+12,373
New +$110K ﹤0.01% 10751
2023
Q4 		– Sell
-2,024
Closed -$17.4K – 14292
2023
Q3 		$16.9K Buy
+2,024
New +$19.2K ﹤0.01% 12753
2021
Q4 		– Sell
-11,530
Closed -$159K – 13813
2021
Q3 		$159K Buy
+11,530
New +$155K ﹤0.01% 12295

Other funds holding BLFY

GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
GLAM
Gardner Lewis Asset Management Chadds Ford, Pennsylvania $462M AUM 65.29% 1-Year Est. Return
FTCM
First Trust Capital Management Chicago, Illinois $1.9B AUM 58.28% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Ken Griffin's BLFY Position: Q4 2025 in Review

Ken Griffin sold out of Blue Foundry Bancorp (BLFY) in Q4 2025, closing a stake of 55,080 shares — an estimated $501K sold.

Ken Griffin first reported a position in BLFY in Q3 2021 and held it in 8 quarters. The position peaked at $873K in Q1 2025. 104 funds tracked by Wall St. Rank hold BLFY as of Q4 2025.

  • Ken Griffin reported no remaining Blue Foundry Bancorp position as of Q4 2025 after selling out during the quarter.
  • Ken Griffin sold 55,080 Blue Foundry Bancorp shares in Q4 2025, an estimated $501K.
  • Ken Griffin first reported a position in Blue Foundry Bancorp in Q3 2021 and held it in 8 quarters.
  • Ken Griffin's Blue Foundry Bancorp position peaked at $873K in Q1 2025.
  • 104 funds tracked by Wall St. Rank held Blue Foundry Bancorp as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.