California Bancorp \ CA: which funds bought and sold
Institutions that bought and sold California Bancorp \ CA shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 80 institutions that filed 13F reports for both quarters added to or opened positions in California Bancorp \ CA, and 56 cut or closed them. Together they added a net 915K shares, +4.2% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 58K shares (−0.8%); index fund managers were net buyers of 804K shares (+18.2%). 13 opened a new position and 18 sold out entirely.
Bought, Q2 2026 80 institutions, 13 of them new holders Sold, Q2 2026 56 institutions, 18 of them sold out
Net change, all compared +915K shares (+4.2%)
Net change, active managers −58K shares (−0.8%), 15 bought, 10 sold
Buyers versus sellers
80 bought 26 56 sold
Active managers and hedge funds 15 bought · 10 sold · −58K
Index fund managers 9 bought · 1 sold · +804K
Other institutions 56 bought · 45 sold · +169K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Blackrock, Inc. Index funds | +467K +32.0% | 1.9M | $40.1M |
| Algebris (UK) Ltd | +276K +218.2% | 402K | $8.4M |
| Stieven Capital Advisors, L.P. | +253K New position | 253K | $5.3M |
| American Century Companies Inc Active manager | +224K +60.9% | 592K | $12.3M |
| Dimensional Fund Advisors LP | +160K +34.0% | 630K | $13.1M |
| Two Sigma Investments, LP Hedge fund | +123K +196.4% | 186K | $3.9M |
| State Street Corp Index funds | +80K +10.4% | 850K | $17.8M |
| Prudential Financial Inc | +80K +45.6% | 255K | $5.3M |
| Geode Capital Management, LLC Index funds | +76K +13.7% | 632K | $13.2M |
| Vanguard Portfolio Management LLC Index funds | +70K +45.8% | 222K | $4.6M |
| Jpmorgan Chase & Co | +68K +81.1% | 152K | $3.2M |
| Vanguard Capital Management LLC Index funds | +58K +5.6% | 1.1M | $23M |
| Citadel Advisors LLC Hedge fund | +46K +68.4% | 113K | $2.3M |
| Algert Global LLC Hedge fund | +46K +25.7% | 224K | $4.7M |
| Squarepoint Ops LLC Hedge fund | +36K +178.2% | 56K | $1.2M |
| Morgan Stanley | +33K +12.2% | 303K | $6.3M |
| Northern Trust Corp Index funds | +33K +17.4% | 222K | $4.6M |
| Osaic Holdings, Inc. | +31K +596.5% | 36K | $753,643 |
| HRT Financial LP | +27K +259.0% | 37K | $774,000 |
| Marshall Wace, LLP Hedge fund | +25K New position | 25K | $528,689 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| American Century Companies Inc Active manager | +224K +60.9% | 592K | $12.3M |
| Two Sigma Investments, LP Hedge fund | +123K +196.4% | 186K | $3.9M |
| Citadel Advisors LLC Hedge fund | +46K +68.4% | 113K | $2.3M |
| Algert Global LLC Hedge fund | +46K +25.7% | 224K | $4.7M |
| Squarepoint Ops LLC Hedge fund | +36K +178.2% | 56K | $1.2M |
| Marshall Wace, LLP Hedge fund | +25K New position | 25K | $528,689 |
| AQR Capital Management LLC Hedge fund | +22K +23.7% | 114K | $2.4M |
| Schonfeld Strategic Advisors LLC Hedge fund | +18K +157.9% | 29K | $607,401 |
| Kennedy Capital Management LLC Active manager | +11K +2.5% | 442K | $9.2M |
| Bridgeway Capital Management, LLC Active manager | +11K +5.2% | 213K | $4.4M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Wellington Management Group LLP Active manager | −240K −8.9% | 2.4M | $51M |
| Alliancebernstein L.P. Active manager | −196K −9.1% | 2.0M | $34.6M |
| Endeavour Capital Advisors Inc | −163K −9.0% | 1.7M | $34.5M |
| Mendon Capital Advisors Corp | −131K −32.5% | 273K | $5.7M |
| Curi Capital, LLC | −122K −35.1% | 225K | $4.7M |
| Point72 Asset Management, L.P. Hedge fund | −68K Sold out | 0 | — |
| Millennium Management LLC Hedge fund | −68K Sold out | 0 | — |
| Y-Intercept (Hong Kong) Ltd | −56K Sold out | 0 | — |
| Ameriprise Financial Inc | −55K Sold out | 0 | — |
| Goldman Sachs Group Inc | −54K −34.0% | 104K | $2.2M |
| Siena Capital Partners Gp, LLC | −52K −25.0% | 156K | $3.3M |
| Integrated Quantitative Investments LLC | −50K Sold out | 0 | — |
| Sei Investments Co | −46K −48.4% | 49K | $1M |
| Jane Street Group, LLC | −38K Sold out | 0 | — |
| Precision Wealth Strategies, LLC | −29K Sold out | 0 | — |
| Xtx Topco Ltd | −29K −64.1% | 16K | $338,692 |
| Varcov Co. | −23K Sold out | 0 | — |
| FMR LLC Active manager | −22K −94.8% | 1,227 | $25,564 |
| Susquehanna International Group, LLP | −19K Sold out | 0 | — |
| Bank Of America Corp | −19K −21.4% | 70K | $1.5M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Wellington Management Group LLP Active manager | −240K −8.9% | 2.4M | $51M |
| Alliancebernstein L.P. Active manager | −196K −9.1% | 2.0M | $34.6M |
| Point72 Asset Management, L.P. Hedge fund | −68K Sold out | 0 | — |
| Millennium Management LLC Hedge fund | −68K Sold out | 0 | — |
| FMR LLC Active manager | −22K −94.8% | 1,227 | $25,564 |
| Verition Fund Management LLC Hedge fund | −16K Sold out | 0 | — |
| Exoduspoint Capital Management, LP Hedge fund | −16K Sold out | 0 | — |
| First Manhattan Co. Llc. Active manager | −12K Sold out | 0 | — |
| D. E. Shaw & Co., Inc. Hedge fund | −4,132 −6.4% | 61K | $1.3M |
| Hudson Bay Capital Management LP Hedge fund | −2,380 Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Stieven Capital Advisors, L.P. | 253K | $5.3M |
| Marshall Wace, LLPHedge fund | 25K | $528,689 |
| Seizert Capital Partners, LLC | 16K | $342,651 |
| Entropy Technologies, LP | 12K | $243,203 |
| Guggenheim Capital LLC | 11K | $231,532 |
| Occudo Quantitative Strategies LP | 11K | $226,593 |
| Mercer Global Advisors Inc | 9,826 | $204,774 |
| Integrated Wealth Concepts LLC | 2,450 | $51,072 |
| Silver Grove Financial Group, Inc. | 426 | $8,881 |
| Federated Hermes, Inc.Active manager | 235 | $4,897 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Point72 Asset Management, L.P.Hedge fund | 68K | $1.2M |
| Millennium Management LLCHedge fund | 68K | $1.2M |
| Y-Intercept (Hong Kong) Ltd | 56K | $996,768 |
| Ameriprise Financial Inc | 55K | $976,372 |
| Integrated Quantitative Investments LLC | 50K | $878,983 |
| Jane Street Group, LLC | 38K | $676,904 |
| Precision Wealth Strategies, LLC | 29K | $522,226 |
| Varcov Co. | 23K | $413,053 |
| Susquehanna International Group, LLP | 19K | $340,295 |
| Verition Fund Management LLCHedge fund | 16K | $286,444 |
Who holds the shares
- Institutions reporting
- 145
- Ten largest holders
- 62.4% of 13F-reported shares
- Index fund managers
- 22.9% of 13F-reported shares
- Active managers and hedge funds
- 29.9% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 15 | 10 | 2 | 6 | −58K | −0.8% |
| Index fund managers | 9 | 1 | 0 | 0 | +804K | +18.2% |
| Other institutions | 56 | 45 | 11 | 12 | +169K | +1.6% |