BioAtla Ownership | Who Owns BioAtla?

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BioAtla Ownership Summary

BioAtla is owned by 4.86% institutional investors, 6.78% insiders, and 88.35% retail investors. Acorn capital advisors is the largest institutional shareholder, holding 9.19% of BCAB shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.17% of its assets in BioAtla shares.

BCAB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	BioAtla	4.86%	6.78%	88.35%
Sector	Healthcare Stocks	232.80%	10.63%	-143.43%
Industry	Biotech Stocks	379.48%	10.37%	-289.85%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Acorn capital advisors	5.41M	9.19%	$865.01K
Millennium management	2.76M	4.69%	$443.82K
Vanguard group	1.95M	3.31%	$1.11M
Tang capital management	1.37M	2.35%	$945.23K
Acadian asset management	1.23M	2.10%	$198.00K
Blackrock	791.56K	1.65%	$1.08M
Boxer capital	686.35K	1.43%	$940.29K
Aqr capital management	636.14K	1.32%	$871.51K
Geode capital management	689.18K	1.17%	$110.98K
Deutsche bank ag\	525.35K	0.89%	$84.06K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Acorn capital advisors	5.41M	0.25%	$865.01K
Pvg asset management	69.00K	0.08%	$39.17K
Boxer capital	686.35K	0.05%	$940.29K
Tang capital management	1.37M	0.04%	$945.23K
Sheets smith investment management	67.00K	0.03%	$46.09K
Stonepine capital management	65.39K	0.00%	$10.53K
Twin lakes capital management	9.00K	0.00%	$5.11K
United bank	13.00K	0.00%	$17.81K
Two sigma securities	13.76K	0.00%	$9.47K
Aqr capital management	636.14K	0.00%	$871.51K

Top Buyers

Holder	Shares	% Assets	Change
Millennium management	2.76M	0.00%	1.99M
Aqr capital management	636.14K	0.00%	636.14K
Acorn capital advisors	5.41M	0.25%	571.23K
Acadian asset management	1.23M	0.00%	476.25K
Citadel advisors	435.68K	-	435.68K

Top Sellers

Holder	Shares	% Assets	Change
Anson funds management lp	-	-	-4.60M
Soleus capital management	-	-	-2.52M
Highbridge capital management	-	-	-2.51M
Blackrock	791.56K	-	-1.99M
Cormorant asset management, lp	-	-	-1.17M

New Positions

Holder	Shares	% Assets	Change	Value
Aqr capital management	636.14K	0.00%	636.14K	$871.51K
Norges bank	389.10K	-	389.10K	$230.04K
Vanguard fiduciary trust	273.43K	-	273.43K	$44.02K
Sheets smith investment management	67.00K	0.03%	67.00K	$46.09K
Stonepine capital management	65.39K	0.00%	65.39K	$10.53K

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-8.00
Newedge advisors	-9.00
Nisa investment advisors	-27.00
Point72 (difc)	-31.00
Pnc financial services group	-73.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	12	-73.33%	2,857,090	-78.60%	4	0.93%	4	-80.95%	2	-60.00%
Sep 30, 2025	14	-65.00%	2,230,707	-83.06%	3	0.75%	6	-60.00%	-	-100.00%
Jun 30, 2025	39	-7.14%	13,104,421	-4.18%	22	4.06%	15	-6.25%	11	-21.43%
Mar 31, 2025	2	-97.18%	4,148,707	-82.72%	7	0.29%	-	-100.00%	1	-94.74%
Dec 31, 2024	67	4.69%	23,843,171	37.88%	49	3.85%	35	52.17%	17	-29.17%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	1.27M	2.17%	-
Vanguard Total Stock Mkt Idx Inv	1.19M	1.44%	-
SQUAD Aguja Opportunities I	750.00K	1.01%	-
DWS Small Cap Core S	435.29K	0.90%	-
Small Cap Core Equity Composite	435.29K	0.90%	-
Xtrackers CSI 300 Swap ETF 1C	376.73K	0.78%	-
MFS New Discovery I	339.51K	0.59%	-
Vanguard Institutional Extnd Mkt Idx Tr	458.22K	0.55%	-
Fidelity Extended Market Index	444.84K	0.54%	188.67K
NT R2000 Value Index Fund - NL	120.84K	0.25%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 28, 2023	MCBRINN SYLVIA	-	Buy	$9.40K
Dec 26, 2023	MCBRINN SYLVIA	-	Buy	$9.32K
Dec 20, 2023	SHORT JAY M PHD	Chief Executive Officer	Buy	$106.91K
Dec 19, 2023	STEINMAN LAWRENCE	-	Buy	$41.05K
Dec 19, 2023	Vasquez Christian	See Remarks	Buy	$15.26K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	-
2025 Q4	-	-
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-

BCAB Ownership FAQ

Who Owns BioAtla?

BioAtla shareholders are primarily institutional investors at 4.86%, followed by 6.78% insiders and 88.36% retail investors. The average institutional ownership in BioAtla's industry, Biotech Stocks , is 379.48%, which BioAtla falls below.

Who owns the most shares of BioAtla?

BioAtla’s largest shareholders are Acorn capital advisors (5.41M shares, 9.19%), Millennium management (2.76M shares, 4.69%), and Vanguard group (1.95M shares, 3.31%). Together, they hold 17.19% of BioAtla’s total shares outstanding.

Does Blackrock own BioAtla?

Yes, BlackRock owns 1.65% of BioAtla, totaling 791.56K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 1.08M$. In the last quarter, BlackRock decreased its holdings by -1.988M shares, a -71.52% change.

Who is BioAtla’s biggest shareholder by percentage of total assets invested?

Acorn capital advisors is BioAtla’s biggest shareholder by percentage of total assets invested, with 0.25% of its assets in 5.41M BioAtla shares, valued at 865.02K$.

Who is the top mutual fund holder of BioAtla shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of BioAtla shares, with 2.17% of its total shares outstanding invested in 1.27M BioAtla shares.

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