NORTHFIELD BANCORP INC DEL (NFBK): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in NFBK. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
12
13F filers
Aggregate Value
$86.1M
Across holders
Last Price
$15.31
2026-07-24
Sector
—
GICS
Quarterly fund activity8 increased4 reduced3 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 1.57M | $23.1M | 26.8% | 0.0% | Added | +$3.8M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 967K | $14.2M | 16.5% | 0.0% | Added | +$5.8M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 939K | $13.8M | 16.1% | 0.0% | Added | +$2.6M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 815K | $12.0M | 13.9% | 0.0% | Added | +$550K | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 716K | $10.5M | 12.2% | 0.0% | Reduced | $-1.8M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 316K | $4.7M | 5.4% | 0.0% | Reduced | +$4.7M | Q2 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 250K | $3.7M | 4.3% | 0.0% | Added | +$368K | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 216K | $3.2M | 3.7% | 0.0% | Added | $-395K | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 25K | $371K | 0.4% | 0.0% | Added | — | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 19K | $277K | 0.3% | 0.0% | Reduced | $-106K | Q2 2026 |
Added
Hedge Fund
$23.1M· 26.8% of total· 0.0% port· 1.57M sh· +$3.8M QoQ· Q2 2026
Added
Hedge Fund
$14.2M· 16.5% of total· 0.0% port· 967K sh· +$5.8M QoQ· Q2 2026
Added
Hedge Fund
$13.8M· 16.1% of total· 0.0% port· 939K sh· +$2.6M QoQ· Q2 2026
Added
Hedge Fund
$12.0M· 13.9% of total· 0.0% port· 815K sh· +$550K QoQ· Q2 2026
Reduced
Hedge Fund
$10.5M· 12.2% of total· 0.0% port· 716K sh· $-1.8M QoQ· Q2 2026
Reduced
Hedge Fund
$4.7M· 5.4% of total· 0.0% port· 316K sh· +$4.7M QoQ· Q2 2026
Added
Hedge Fund
$3.7M· 4.3% of total· 0.0% port· 250K sh· +$368K QoQ· Q2 2026
Added
Hedge Fund
$3.2M· 3.7% of total· 0.0% port· 216K sh· $-395K QoQ· Q2 2026
Added
Hedge Fund
$371K· 0.4% of total· 0.0% port· 25K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$277K· 0.3% of total· 0.0% port· 19K sh· $-106K QoQ· Q2 2026
Added
Hedge Fund
$151K· 0.2% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$56K· 0.1% of total· 0.0% port· 4K sh· $-74K QoQ· Q2 2026
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