CALIFORNIA BANCORP (BCAL) Institutional Shareholders
CALIFORNIA BANCORP (BCAL) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $465.17M in BCAL holdings during the latest filing period.
Wellington Management Group Llp is currently the largest disclosed institutional shareholder of BCAL tracked by InsiderSet, reporting ownership valued at approximately $51.00M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $52.93M, representing an estimated gain of +3.79% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 62% of the total disclosed BCAL value among the investors covered in this analysis. Major shareholders include Wellington Management Group Llp, Fj Capital Management Llc, Blackrock, Inc., and several other long-term asset managers with concentrated positions in CALIFORNIA BANCORP (BCAL).
This page ranks the largest institutional BCAL shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
143
Total Reported Value
$465.17M
Largest Holder
Wellington Management Group Llp
Largest Position
$51.00M
Insider Transactions (90d)
12
Latest Filing Quarter
Q2 2026
New Institutional Positions
102
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Wellington Management Group Llp | 0.01% | 2,447,278 | $51,001,273 | $52,934,623 | +$1,933,350 | +3.79% | |
| Fj Capital Management Llc | 5.56% | 2,054,534 | $42,816,489 | $44,439,570 | +$1,623,081 | +3.79% | |
| Blackrock, Inc. | 0.00% | 1,925,599 | $40,129,483 | $41,650,706 | +$1,521,223 | +3.79% | |
| Alliancebernstein L.P. | 0.01% | 1,952,131 | $34,591,761 | $42,224,594 | +$7,632,833 | +22.07% | |
| Endeavour Capital Advisors Inc | 7.08% | 1,655,639 | $34,503,517 | $35,811,472 | +$1,307,955 | +3.79% | |
| Vanguard Capital Management Llc | 0.00% | 1,104,260 | $23,012,778 | $23,885,144 | +$872,366 | +3.79% | |
| State Street Corp | 0.00% | 850,362 | $17,798,509 | $18,393,330 | +$594,821 | +3.34% | |
| Banc Funds Co Llc | 2.81% | 816,155 | $17,008,670 | $17,653,433 | +$644,763 | +3.79% | |
| Manufacturers Life Insurance Company, The | 0.01% | 791,794 | $16,500,987 | $17,126,504 | +$625,517 | +3.79% | |
| Geode Capital Management, Llc | 0.00% | 631,917 | $13,172,087 | $13,668,365 | +$496,278 | +3.77% | |
| Dimensional Fund Advisors Lp | 0.00% | 630,055 | $13,130,428 | $13,628,090 | +$497,662 | +3.79% | |
| American Century Companies Inc | 0.01% | 591,957 | $12,336,384 | $12,804,030 | +$467,646 | +3.79% | |
| Kennedy Capital Management Llc | 0.16% | 441,542 | $9,201,735 | $9,550,553 | +$348,818 | +3.79% | |
| Algebris (Uk) Ltd | 0.55% | 402,410 | $8,359,815 | $8,704,128 | +$344,313 | +4.12% | |
| Morgan Stanley | 0.00% | 302,926 | $6,312,983 | $6,552,289 | +$239,306 | +3.79% | |
| Elizabeth Park Capital Advisors, Ltd. | 4.03% | 279,630 | $5,827,489 | $6,048,397 | +$220,908 | +3.79% | |
| Mendon Capital Advisors Corp | 2.01% | 273,140 | $5,692,238 | $5,908,018 | +$215,780 | +3.79% | |
| Prudential Financial Inc | 0.01% | 254,651 | $5,306,927 | $5,508,101 | +$201,174 | +3.79% | |
| Stieven Capital Advisors, L.P. | 1.01% | 252,843 | $5,269,248 | $5,468,994 | +$199,746 | +3.79% | |
| Curi Capital, Llc | 0.07% | 225,000 | $4,689,000 | $4,866,750 | +$177,750 | +3.79% | |
| Algert Global Llc | 0.06% | 223,529 | $4,658,344 | $4,834,932 | +$176,588 | +3.79% | |
| Vanguard Portfolio Management Llc | 0.00% | 222,304 | $4,632,815 | $4,808,436 | +$175,621 | +3.79% | |
| Northern Trust Corp | 0.00% | 221,501 | $4,616,081 | $4,791,067 | +$174,986 | +3.79% | |
| Bridgeway Capital Management, Llc | 0.08% | 213,457 | $4,448,444 | $4,617,075 | +$168,631 | +3.79% | |
| Petiole Usa Ltd | 2.84% | 189,804 | $3,955,515 | $4,105,461 | +$149,946 | +3.79% | |
| Two Sigma Investments, Lp | 0.00% | 186,346 | $3,883,451 | $4,030,664 | +$147,213 | +3.79% | |
| Qube Research & Technologies Ltd | 0.00% | 169,757 | $3,537,736 | $3,671,844 | +$134,108 | +3.79% | |
| Siena Capital Partners Gp, Llc | 0.79% | 156,362 | $3,258,584 | $3,382,110 | +$123,526 | +3.79% | |
| Jpmorgan Chase & Co | 0.00% | 152,117 | $3,174,682 | $3,290,291 | +$115,609 | +3.64% | |
| Empowered Funds, Llc | 0.02% | 150,757 | $3,141,776 | $3,260,874 | +$119,098 | +3.79% | |
| Vanguard Fiduciary Trust Co | 0.00% | 150,381 | $3,133,940 | $3,252,741 | +$118,801 | +3.79% | |
| Aqr Capital Management Llc | 0.00% | 114,240 | $2,380,762 | $2,471,011 | +$90,249 | +3.79% | |
| Citadel Advisors Llc | 0.00% | 112,548 | $2,345,500 | $2,434,413 | +$88,913 | +3.79% | |
| Goldman Sachs Group Inc | 0.00% | 104,200 | $2,171,528 | $2,253,846 | +$82,318 | +3.79% | |
| Hennessy Advisors Inc | 0.06% | 97,000 | $2,021,480 | $2,098,110 | +$76,630 | +3.79% | |
| Cerity Partners Llc | 0.00% | 89,606 | $1,867,393 | $1,938,178 | +$70,785 | +3.79% | |
| First Trust Advisors Lp | 0.00% | 84,996 | $1,771,316 | $1,838,463 | +$67,147 | +3.79% | |
| Bank Of New York Mellon Corp | 0.00% | 83,223 | $1,734,367 | $1,800,113 | +$65,746 | +3.79% | |
| Charles Schwab Investment Management Inc | 0.00% | 73,008 | $1,521,487 | $1,579,163 | +$57,676 | +3.79% | |
| Bank Of America Corp | 0.00% | 70,438 | $1,467,928 | $1,523,574 | +$55,646 | +3.79% | |
| Man Group Plc | 0.00% | 65,675 | $1,368,667 | $1,420,550 | +$51,883 | +3.79% | |
| Mai Capital Management | 0.01% | 63,680 | $1,327,092 | $1,377,398 | +$50,306 | +3.79% | |
| D. E. Shaw & Co., Inc. | 0.00% | 60,541 | $1,261,674 | $1,309,502 | +$47,828 | +3.79% | |
| Squarepoint Ops Llc | 0.00% | 55,679 | $1,160,350 | $1,204,337 | +$43,987 | +3.79% | |
| Pfg Advisors | 0.06% | 54,450 | $1,134,738 | $1,177,754 | +$43,016 | +3.79% | |
| Robertson Stephens Wealth Management, Llc | 0.03% | 53,579 | $1,121,944 | $1,158,914 | +$36,970 | +3.30% | |
| Bedell Frazier Investment Counselling, Llc | 0.22% | 61,815 | $1,095,362 | $1,337,058 | +$241,696 | +22.07% | |
| Ubs Group Ag | 0.00% | 52,319 | $1,090,328 | $1,131,660 | +$41,332 | +3.79% | |
| Pinnacle Associates Ltd | 0.01% | 51,443 | $1,072,072 | $1,112,712 | +$40,640 | +3.79% | |
| Principal Financial Group Inc | 0.00% | 48,964 | $1,020,410 | $1,059,091 | +$38,681 | +3.79% |
Frequently asked questions about BCAL
Who owns the most BCAL stock?
The largest holders of BCAL are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for CALIFORNIA BANCORP (BCAL).
Is BCAL widely held by superinvestors?
Many widely followed stocks like BCAL appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly BCAL is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.