BCAB Institutional Ownership & Shareholders
BIOATLA INC (BCAB) is currently held by 22 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $1.23M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Acorn Capital Advisors, Llc is currently the largest disclosed institutional shareholder of BCAB tracked by InsiderSet, reporting ownership valued at approximately $447,645 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 $187,598.61, representing an estimated loss of -58.09% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 95% of the total disclosed BCAB value among the investors covered in this analysis. Major shareholders include Acorn Capital Advisors, Llc, Millennium Management Llc, Lido Advisors, Llc, and several other long-term asset managers with concentrated positions in BIOATLA INC (BCAB).
This page ranks the largest institutional BCAB 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
22
Total Reported Value
$1.23M
Largest Holder
Acorn Capital Advisors, Llc
Largest Position
$447,645
Insider Transactions (90d)
6
Latest Filing Quarter
Q2 2026
New Institutional Positions
51
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Acorn Capital Advisors, Llc | 0.12% | 108,126 | $447,645 | $187,599 | -$260,046 | -58.09% | |
| Millennium Management Llc | 0.00% | 70,616 | $292,350 | $122,519 | -$169,831 | -58.09% | |
| Lido Advisors, Llc | 0.00% | 16,656 | $68,956 | $28,898 | -$40,058 | -58.09% | |
| Stonepine Capital Management, Llc | 0.05% | 16,432 | $68,028 | $28,510 | -$39,518 | -58.09% | |
| Acadian Asset Management Llc | 0.00% | 14,294 | $58,000 | $24,800 | -$33,200 | -57.24% | |
| Hrt Financial Lp | 0.00% | 13,276 | $54,000 | $23,034 | -$30,966 | -57.34% | |
| Geode Capital Management, Llc | 0.00% | 12,819 | $53,078 | $22,241 | -$30,837 | -58.10% | |
| Deutsche Bank Ag\ | 0.00% | 10,556 | $43,702 | $18,315 | -$25,387 | -58.09% | |
| Blackrock, Inc. | 0.00% | 9,616 | $39,810 | $16,684 | -$23,126 | -58.09% | |
| Vanguard Capital Management Llc | 0.00% | 9,164 | $37,939 | $15,900 | -$22,039 | -58.09% | |
| Ubs Group Ag | 0.00% | 6,201 | $25,672 | $10,759 | -$14,913 | -58.09% | |
| Vanguard Fiduciary Trust Co | 0.00% | 4,730 | $19,582 | $8,207 | -$11,375 | -58.09% | |
| B. Riley Wealth Advisors, Inc. | 0.00% | 30,000 | $10,404 | $52,050 | +$41,646 | +400.29% | |
| Morgan Stanley | 0.00% | 1,108 | $4,588 | $1,922 | -$2,666 | -58.10% | |
| Tower Research Capital Llc (Trc) | 0.00% | 863 | $3,573 | $1,497 | -$2,076 | -58.09% | |
| Sbi Securities Co., Ltd. | 0.00% | 267 | $1,105 | $463 | -$642 | -58.08% | |
| Forum Finance Group S.A. | 0.00% | 400 | $1,000 | $694 | -$306 | -30.60% | |
| Twin Lakes Capital Management, Llc | 0.00% | 144 | $596 | $250 | -$346 | -58.08% | |
| Jpmorgan Chase & Co | 0.00% | 121 | $464 | $210 | -$254 | -54.76% | |
| Barclays Plc | 0.00% | 101 | $418 | $175 | -$243 | -58.08% | |
| Jones Financial Companies Lllp | 0.00% | 40 | $147 | $69 | -$78 | -52.79% | |
| Bnp Paribas Financial Markets | 0.00% | 7 | $29 | $12 | -$17 | -58.12% |
Frequently asked questions about BCAB
Who are the largest institutional holders of BCAB?
The largest institutional holders of BCAB reported in the latest SEC Form 13F filings include Acorn Capital Advisors, Llc, Millennium Management Llc, Lido Advisors, Llc, Stonepine Capital Management, Llc, and Acadian Asset Management Llc. InsiderSet ranks institutional holders by their latest reported BCAB position.
What is BCAB institutional ownership?
This page tracks BCAB positions reported by institutional investment managers through SEC Form 13F. BIOATLA INC (BCAB) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own BCAB?
InsiderSet currently tracks 22 institutional managers reporting BCAB holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of BCAB shareholders.
How much BCAB stock do institutions own?
Institutional investment managers disclosed approximately $1.23M in BCAB holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was BCAB institutional ownership last updated?
The latest BCAB institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional BCAB holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its BCAB position after the reporting date.
Are institutions buying or selling BCAB?
Institutional buying and selling can be analyzed by comparing BCAB positions across consecutive 13F reporting periods. InsiderSet's BCAB Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View BCAB ownership changes.
How has BCAB institutional ownership changed over time?
InsiderSet tracks BCAB institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.