NBBK
NB Bancorp, Inc. Common Stock · Financial Services · Banks - Regional
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 72 | -5 | 15.62M | $330.14M | +2 | −7 |
| Q1 2026 | 80 | +6 | 15.88M | $334.38M | +10 | −4 |
| Q4 2025 | 74 | +1 | 16.12M | $319.60M | +1 | — |
| Q3 2025 | 18 | 0 | 11.24M | $198.31M | — | — |
| Q2 2025 | 15 | +2 | 10.38M | $185.46M | +2 | — |
| Q1 2025 | 10 | +1 | 4.36M | $78.87M | +2 | −1 |
| Q4 2024 | 9 | +2 | 3.93M | $71.03M | +2 | — |
| Q3 2024 | 6 | 0 | 2.69M | $49.87M | — | — |
| Q2 2024 | 6 | — | 2.26M | $33.86M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 1.20M | — | $18.14M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 868.97K | — | $13.11M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 3 | Renaissance Technologies ✦ | 70.70K | — | $1.07M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Two Sigma Investments ✦ | 55.53K | — | $837,438 | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Millennium Management ✦ | 47.22K | — | $712,108 | 0.0% | n/c | 1 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 12.41K | — | $0 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 175 holders, 23.05M shares, $472.61M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Officer, Director · President & CEO · 2.00K sh @ 21.75 · $43,500
Officer · SEVP and CFO · 200 sh @ 21.80 · $4,360
Open-market sales (S)
Officer · 2.00K sh · $45,860
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology