13F

Stock

BioAtla, Inc.

BCAB · held by 36 managers

Reported value

$2.32M

Holders

36

+7 new · −11 exited

Holders’ est. mark

−$3.65M

Price effect on 28 books still in the name

Largest holder

$865K

ACORN CAPITAL ADVISORS, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
ACORN CAPITAL ADVISORS, LLC5.41M$865K−$1.98MCut−$1.89M
MILLENNIUM MANAGEMENT LLC2.76M$443.8K−$310.1KAdded$11K
VANGUARD CAPITAL MANAGEMENT LLC1.65M$265.5KHeld
GEODE CAPITAL MANAGEMENT, LLC689.2K$111K−$203.5KCut−$173.1K
DEUTSCHE BANK AG\525.4K$84.1K−$215.4KCut−$215.4K
Renaissance Technologies510.5K$82.2K−$207.6KCut−$319.3K
BlackRock, Inc.480.9K$77.4K−$195.6KCut−$195.6K
Citadel435.7K$70.1KNew
UBS Group AG375.6K$60.5K−$91.9KCut−$67.7K
MARSHALL WACE, LLP277.6K$44.4K−$113.8KCut−$463.8K
VANGUARD FIDUCIARY TRUST CO273.4K$44KHeld
ADAR1 Capital Management, LLC228.1K$36.7K−$74.5KCut−$67.2K
State Street151.4K$24.4K−$61.6KCut−$61.6K
NORTHERN TRUST CORP103.5K$16.7K−$42.1KCut−$42.1K
SIMPLEX TRADING, LLC73.9K$11.9K−$30.1KCut−$56.5K
Stonepine Capital Management, LLC65.4K$10.5KNew
XTX Topco Ltd56.6K$9.12K−$23KCut−$25.2K
MORGAN STANLEY55.4K$8.92K−$17.8KCut−$15.9K
MAI Capital Management51.5K$8.29K−$20.9KCut−$20.9K
Kestra Advisory Services, LLC44.3K$7.12KNew
SUSQUEHANNA INTERNATIONAL GROUP, LLP39.1K$6.29K−$15.9KCut−$40.1K
StoneX Group Inc.29.5K$4.74KNew
COMMONWEALTH EQUITY SERVICES, LLC25.3K$4.07K−$10.3KCut−$10.3K
JANE STREET GROUP, LLC23.1K$3.73K−$9.41KCut−$193.1K
Magnus Financial Group LLC20K$3.22K−$8.13KCut−$8.13K
Tower Research Capital LLC (TRC)17K$2.74K−$2.16KCut−$283
Vanguard Global Advisers, LLC16.6K$2.68KHeld
Mariner, LLC16K$2.58KNew
Torrey Growth & Income Advisors15.7K$2.36K−$6.58KCut−$6.58K
SBI Securities Co., Ltd.11.1K$1.79K−$3.57KCut−$3.2K
Twin Lakes Capital Management, LLC7.2K$1.16K−$2.93KCut−$3.95K
JONES FINANCIAL COMPANIES LLLP2K$306−$828Cut−$828
ACADIAN ASSET MANAGEMENT LLC1.23M$198−$307Cut−$231
OSAIC HOLDINGS, INC.500$80−$205Cut−$205
BNP PARIBAS FINANCIAL MARKETS472$76−$192Cut−$192
JPMORGAN CHASE & CO129$20−$53Cut−$53

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.