CALIFORNIA BANCORP (BCAL) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $382.80M 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 $47.62M in its March 31, 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 $52.41M, representing an estimated gain of +10.05% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed BCAL value among the investors covered in this analysis. Major shareholders include Wellington Management Group Llp, Alliancebernstein L.P., Fj Capital Management Llc, 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
149
Total Reported Value
$382.80M
Largest Holder
Wellington Management Group Llp
Largest Position
$47.62M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
165
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% | 2,687,484 | $47,622,217 | $52,405,938 | +$4,783,721 | +10.05% | |
| Alliancebernstein L.P. | 0.01% | 2,148,396 | $40,110,553 | $41,893,722 | +$1,783,169 | +4.45% | |
| Fj Capital Management Llc | 4.10% | 2,054,534 | $36,406,342 | $40,063,413 | +$3,657,071 | +10.05% | |
| Endeavour Capital Advisors Inc | 7.31% | 1,819,125 | $32,234,895 | $35,472,938 | +$3,238,043 | +10.05% | |
| Blackrock, Inc. | 0.00% | 1,458,404 | $25,842,918 | $28,438,878 | +$2,595,960 | +10.05% | |
| Vanguard Capital Management Llc | 0.00% | 1,045,787 | $18,531,346 | $20,392,847 | +$1,861,501 | +10.05% | |
| Banc Funds Co Llc | 2.74% | 831,155 | $14,728,067 | $16,207,523 | +$1,479,456 | +10.05% | |
| Manufacturers Life Insurance Company, The | 0.01% | 795,309 | $14,092,875 | $15,508,526 | +$1,415,651 | +10.05% | |
| State Street Corp | 0.00% | 770,050 | $13,721,012 | $15,015,975 | +$1,294,963 | +9.44% | |
| Geode Capital Management, Llc | 0.00% | 555,806 | $9,851,217 | $10,838,217 | +$987,000 | +10.02% | |
| Dimensional Fund Advisors Lp | 0.00% | 470,192 | $8,331,003 | $9,168,744 | +$837,741 | +10.06% | |
| Kennedy Capital Management Llc | 0.16% | 430,619 | $7,630,569 | $8,397,071 | +$766,502 | +10.05% | |
| Mendon Capital Advisors Corp | 2.78% | 404,369 | $7,165,419 | $7,885,196 | +$719,777 | +10.05% | |
| American Century Companies Inc | 0.00% | 367,917 | $6,519,489 | $7,174,382 | +$654,893 | +10.05% | |
| Curi Capital, Llc | 0.11% | 346,665 | $6,142,904 | $6,759,968 | +$617,064 | +10.05% | |
| Morgan Stanley | 0.00% | 270,046 | $4,785,218 | $5,265,897 | +$480,679 | +10.05% | |
| Elizabeth Park Capital Advisors, Ltd. | 3.47% | 254,578 | $4,511,122 | $4,964,271 | +$453,149 | +10.05% | |
| Siena Capital Partners Gp, Llc | 0.96% | 208,556 | $3,695,612 | $4,066,842 | +$371,230 | +10.05% | |
| Bridgeway Capital Management, Llc | 0.07% | 202,827 | $3,594,094 | $3,955,127 | +$361,033 | +10.05% | |
| Petiole Usa Ltd | 2.38% | 192,304 | $3,407,627 | $3,749,928 | +$342,301 | +10.05% | |
| Northern Trust Corp | 0.00% | 188,646 | $3,342,807 | $3,678,597 | +$335,790 | +10.05% | |
| Prudential Financial Inc | 0.00% | 174,861 | $3,098,537 | $3,409,790 | +$311,253 | +10.05% | |
| Qube Research & Technologies Ltd | 0.00% | 168,611 | $2,987,787 | $3,287,915 | +$300,128 | +10.05% | |
| Goldman Sachs Group Inc | 0.00% | 157,860 | $2,797,279 | $3,078,270 | +$280,991 | +10.05% | |
| Vanguard Portfolio Management Llc | 0.00% | 152,523 | $2,702,708 | $2,974,199 | +$271,491 | +10.05% | |
| Vanguard Fiduciary Trust Co | 0.00% | 145,003 | $2,569,453 | $2,827,559 | +$258,106 | +10.05% | |
| Empowered Funds, Llc | 0.02% | 140,127 | $2,483,050 | $2,732,477 | +$249,427 | +10.05% | |
| Algebris (Uk) Ltd | 0.16% | 126,473 | $2,237,405 | $2,466,224 | +$228,819 | +10.23% | |
| Hennessy Advisors Inc | 0.07% | 105,000 | $1,860,600 | $2,047,500 | +$186,900 | +10.05% | |
| Sei Investments Co | 0.00% | 94,474 | $1,674,079 | $1,842,243 | +$168,164 | +10.05% | |
| Aqr Capital Management Llc | 0.00% | 92,387 | $1,637,097 | $1,801,547 | +$164,450 | +10.05% | |
| Bank Of America Corp | 0.00% | 89,566 | $1,587,109 | $1,746,537 | +$159,428 | +10.05% | |
| Cerity Partners Llc | 0.00% | 89,414 | $1,584,426 | $1,743,573 | +$159,147 | +10.04% | |
| First Trust Advisors Lp | 0.00% | 82,523 | $1,462,307 | $1,609,199 | +$146,892 | +10.05% | |
| Bank Of New York Mellon Corp | 0.00% | 70,191 | $1,243,784 | $1,368,725 | +$124,941 | +10.05% | |
| Point72 Asset Management, L.P. | 0.00% | 68,118 | $1,207,051 | $1,328,301 | +$121,250 | +10.05% | |
| Millennium Management Llc | 0.00% | 67,836 | $1,202,054 | $1,322,802 | +$120,748 | +10.05% | |
| Citadel Advisors Llc | 0.00% | 66,819 | $1,184,033 | $1,302,971 | +$118,938 | +10.05% | |
| D. E. Shaw & Co., Inc. | 0.00% | 64,673 | $1,146,006 | $1,261,124 | +$115,118 | +10.05% | |
| Mai Capital Management | 0.01% | 63,601 | $1,127,010 | $1,240,220 | +$113,210 | +10.05% | |
| Two Sigma Investments, Lp | 0.00% | 62,874 | $1,114,127 | $1,226,043 | +$111,916 | +10.05% | |
| Bedell Frazier Investment Counselling, Llc | 0.22% | 61,815 | $1,095,362 | $1,205,393 | +$110,031 | +10.05% | |
| Charles Schwab Investment Management Inc | 0.00% | 59,290 | $1,050,619 | $1,156,155 | +$105,536 | +10.05% | |
| Ubs Group Ag | 0.00% | 57,661 | $1,021,753 | $1,124,390 | +$102,637 | +10.05% | |
| Man Group Plc | 0.00% | 56,344 | $998,416 | $1,098,708 | +$100,292 | +10.05% | |
| Y-Intercept (Hong Kong) Ltd | 0.02% | 56,251 | $996,768 | $1,096,895 | +$100,127 | +10.05% | |
| Ameriprise Financial Inc | 0.00% | 55,100 | $976,372 | $1,074,450 | +$98,078 | +10.05% | |
| Pfg Advisors | 0.05% | 54,450 | $964,854 | $1,061,775 | +$96,921 | +10.05% | |
| Robertson Stephens Wealth Management, Llc | 0.03% | 53,579 | $954,778 | $1,044,791 | +$90,013 | +9.43% | |
| Pinnacle Associates Ltd | 0.01% | 50,013 | $886,230 | $975,254 | +$89,024 | +10.05% |
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.