BCAB · BioAtla, Inc. · Shareholders & Ownership
Substantial doubt about the company's ability to continue as a going concern.
“Management's assessment concluded that there is substantial doubt about the Company's ability to continue as a going concern for a period of at least one year from the issuance date of these condensed consolidated financial statements.”View the 10-Q filed Aug 13, 2026
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Every disclosed holder of BCAB in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns BCAB
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 255,140 | 15.31% |
| Insiders (Forms 3, 4, 5) | 125,971 | 7.56% |
| 13D/G-only blocks | 342,423 | 20.55% |
| Remaining | 942,566 | 56.57% |
| Registered funds (N-PORT, not summed) | 18,351 | 1.10% |
Shares outstanding: 1,666,100, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of BCAB
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
ACORN CAPITAL ADVISORS, LLC
13F
CIK 2054410 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
108,126 | ||
| 2 |
HIGHBRIDGE CAPITAL MANAGEMENT LLC
13G
CIK 919185 · Registered investment adviser · Mar 31, 2025
Rule 13d-1(b), qualified institution
|
96,792 | ||
| 3 |
|
96,702 | ||
| 4 |
|
84,300 | ||
| 4.1 |
|
77,313 | ||
| 5 |
MILLENNIUM MANAGEMENT LLC
13F
CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
70,616 | ||
| 6 |
OPOKA INVESTMENT FUND Co
13G
CIK 2060873 · Non-US institution · Jul 9, 2025
Rule 13d-1(c), passive investor
|
56,207 | ||
| 7 |
TANG CAPITAL MANAGEMENT, LLC
13G
CIK 1191935 · Unknown · Dec 31, 2023
Rule 13d-1(c), passive investor, unconfirmed, last confirmed Dec 31, 2023
|
50,482 | ||
| 8 |
|
24,758 | ||
| 9 |
TANG CAPITAL MANAGEMENT LLC
13G
CIK 1232621 · Unknown · Sep 30, 2024
Rule 13d-1(c), passive investor, unconfirmed, last confirmed Sep 30, 2024
|
17,482 | ||
| 10 |
Stonepine Capital Management, LLC
13F
CIK 1440771 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
16,432 | ||
| 11 |
ACADIAN ASSET MANAGEMENT LLC
13F
CIK 916542 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
14,294 | ||
| 12 |
HRT FINANCIAL LP
13F
CIK 1475597 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
13,276 | ||
| 13 |
|
11,346 | ||
| 14 |
|
10,476 | ||
| 15 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
9,616 | ||
| 16 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
9,164 | ||
| 17 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
9,164 | ||
| 18 |
|
6,868 | ||
| 19 |
|
6,431 | ||
| 20 |
|
6,201 | ||
| 21 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
6,095 | ||
| 22 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,730 | ||
| 23 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
1,610 | ||
| 24 |
|
1,569 | ||
| 25 |
|
1,548 | ||
| 26 |
Fidelity Series Total Market Index Fund
Fund
S000065248 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
1,456 | ||
| 27 |
|
1,204 | ||
| 28 |
|
1,183 | ||
| 29 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,108 | ||
| 30 |
|
1,046 | ||
| 31 |
Tower Research Capital LLC (TRC)
13F
CIK 1533421 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
863 | ||
| 32 |
Forum Finance Group S.A.
13F
CIK 2133354 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
400 | ||
| 33 |
Twin Lakes Capital Management, LLC
13F
CIK 1847794 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
144 | ||
| 34 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
121 | ||
| 35 |
JONES FINANCIAL COMPANIES LLLP
13F
CIK 815917 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
40 | ||
| 36 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
25 | ||
| 37 |
BNP PARIBAS ARBITRAGE, SA
13F
CIK 1166588 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
7 | ||
| 38 |
BARCLAYS PLC
13F
CIK 312069 · Bank · Sep 30, 2026
|
2 | ||
| 39 |
Guggenheim Active Allocation Fund
Fund
· Registered fund · Aug 31, 2026
Guggenheim Active Allocation Fund, not summed
|
1 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.