BLUE FOUNDRY BANCORP (BLFY) Institutional Ownership Changes & 13F Activity
BLUE FOUNDRY BANCORP (BLFY). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Prelude Capital Management, Llc, Millennium Management Llc, Squarepoint Ops Llc, Balyasny Asset Management L.P., and Nomura Holdings Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Wells Fargo & Company/Mn | Sell | -13,529 | -65.3% | 7,179 | $95.05K | Q1 2026 | Jul 08, 2026 |
| Oddo Bhf Asset Management Sas | Buy | +50,964 | — | 50,964 | $673.79K | Q1 2026 | May 18, 2026 |
| California State Teachers Retirement System | Sell | -135 | -12.2% | 973 | $12.88K | Q1 2026 | May 18, 2026 |
| Prelude Capital Management, Llc | Buy | +317,703 | +1975.5% | 333,785 | $4.42M | Q1 2026 | May 15, 2026 |
| Millennium Management Llc | Buy | +156,141 | +438.5% | 191,747 | $2.54M | Q1 2026 | May 15, 2026 |
| Squarepoint Ops Llc | Buy | +89,476 | +141.8% | 152,559 | $2.02M | Q1 2026 | May 15, 2026 |
| Balyasny Asset Management L.P. | Buy | +84,856 | — | 84,856 | $1.12M | Q1 2026 | May 15, 2026 |
| Nomura Holdings Inc | Buy | +61,570 | +348.6% | 79,232 | $1.05M | Q1 2026 | May 15, 2026 |
| Two Sigma Investments, Lp | Buy | +55,263 | +426.5% | 68,219 | $903.22K | Q1 2026 | May 15, 2026 |
| State Street Corp | Sell | -45,869 | -10.0% | 411,028 | $5.44M | Q1 2026 | May 15, 2026 |
| Omers Administration Corp | Buy | +43,100 | +198.6% | 64,800 | $857.95K | Q1 2026 | May 15, 2026 |
| Water Island Capital Llc | Buy | +35,658 | — | 35,658 | $472.11K | Q1 2026 | May 15, 2026 |
| Goldman Sachs Group Inc | Buy | +33,271 | +36.6% | 124,296 | $1.65M | Q1 2026 | May 15, 2026 |
| State Of Wisconsin Investment Board | Buy | +32,438 | — | 32,438 | $429.48K | Q1 2026 | May 15, 2026 |
| Odyssean, Llc | Buy | +26,830 | +162.4% | 43,354 | $574.01K | Q1 2026 | May 15, 2026 |
| Morgan Stanley | Sell | -26,758 | -21.6% | 97,060 | $1.29M | Q1 2026 | May 15, 2026 |
| Lmr Partners Llp | Buy | +26,318 | — | 26,318 | $348.45K | Q1 2026 | May 15, 2026 |
| Barclays Plc | Sell | -26,147 | -93.3% | 1,880 | $24.89K | Q1 2026 | May 15, 2026 |
| Qube Research & Technologies Ltd | Buy | +23,910 | — | 23,910 | $316.57K | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | Buy | +20,145 | +163.1% | 32,498 | $430.27K | Q1 2026 | May 15, 2026 |
| Xtx Topco Ltd | Buy | +20,031 | — | 20,031 | $265.21K | Q1 2026 | May 15, 2026 |
| Murchinson Ltd. | Buy | +18,800 | — | 18,800 | $248.91K | Q1 2026 | May 15, 2026 |
| Susquehanna International Group, Llp | Sell | -17,124 | -29.4% | 41,064 | $543.69K | Q1 2026 | May 15, 2026 |
| American Century Companies Inc | Buy | +13,489 | +70.7% | 32,559 | $431.08K | Q1 2026 | May 15, 2026 |
| Schonfeld Strategic Advisors Llc | Buy | +11,948 | — | 11,948 | $158.19K | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -11,284 | -10.3% | 98,540 | $1.30M | Q1 2026 | May 15, 2026 |
| Quantinno Capital Management Lp | Buy | +11,250 | +14.5% | 89,069 | $1.18M | Q1 2026 | May 15, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +6,885 | +260.5% | 9,528 | $126.15K | Q1 2026 | May 15, 2026 |
| Charles Schwab Investment Management Inc | Sell | -6,040 | -10.8% | 49,739 | $658.54K | Q1 2026 | May 15, 2026 |
| Penderfund Capital Management Ltd. | Buy | +4,196 | +19.4% | 25,796 | $341.54K | Q1 2026 | May 15, 2026 |
Frequently asked questions about BLFY activity
Which institutional owners are buying BLFY?
Institutional owners buying BLFY include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in BLFY activity?
"Buy" means an investor increased their reported position in BLFY compared to the prior reporting period. This reflects growing exposure to BLUE FOUNDRY BANCORP (BLFY) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in BLFY increasing?
Institutional interest in BLFY can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related BLFY Institutional Insights
- BLFY Overview
- BLFY 13F Institutional Holders
- BLFY Superinvestors
- Financial Services Sector Institutional Ownership
- Financial Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Financial Services Stocks By Institutional Investors
- Most Sold Financial Services Stocks By Institutional Investors
- BLFY Insider Trading & SEC Form 4 Activity
- BLFY Articles
- Top Institutional Investor Stock Rankings