13F

Stock

Artiva Biotherapeutics, Inc.

ARTV · held by 40 managers

Reported value

$108.4M

Holders

40

+10 new · −5 exited

Holders’ est. mark

$35M

Price effect on 28 books still in the name

Largest holder

$63.5M

RA CAPITAL MANAGEMENT, L.P.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
RA CAPITAL MANAGEMENT, L.P.9.85M$63.5M$21.2MAdded$21.2M
5AM Venture Management, LLC2.35M$15.2M$5.06MAdded$5.06M
VR ADVISER, LLC1.61M$10.4M$3.46MAdded$3.46M
venBio Partners LLC531.3K$3.42M$1.14MAdded$639.7K
FRANKLIN RESOURCES INC520.3K$3.35M$1.12MAdded$1.12M
Revelation Capital Management, LLC299.3K$1.93M$643.5KAdded$643.5K
BlackRock, Inc.213.4K$1.37M$457KAdded$462.4K
VANGUARD CAPITAL MANAGEMENT LLC207.7K$1.34MHeld
WELLINGTON MANAGEMENT GROUP LLP194.1K$1.25M$417.3KAdded$417.3K
Propel Bio Management, LLC146.4K$949.8KNew
MILLENNIUM MANAGEMENT LLC123.3K$793.9K$265KCut−$137.5K
TWO SIGMA INVESTMENTS, LP115K$740.9K$247.3KAdded$119.4K
GEODE CAPITAL MANAGEMENT, LLC101.7K$655.5K$217.6KAdded$221.3K
Alyeska Investment Group, L.P.100K$644K$215KAdded$215K
Renaissance Technologies80K$515.4K$172.1KAdded$16.9K
JANE STREET GROUP, LLC39.5K$254.4K$84.9KAdded$79.9K
State Street35.8K$230.7K$77KAdded$77K
BRIDGEWAY CAPITAL MANAGEMENT, LLC35K$225.4K$75.3KAdded$75.3K
VANGUARD FIDUCIARY TRUST CO32.8K$211.3KHeld
PANAGORA ASSET MANAGEMENT INC30.7K$197.7KNew
Velan Capital Investment Management LP25K$161KNew
Simplify Asset Management Inc.23.2K$149.6KNew
Sanctuary Advisors, LLC21.6K$139KNew
BAILARD, INC.20.7K$133.3KNew
DIMENSIONAL FUND ADVISORS LP20.4K$131.2KNew
XTX Topco Ltd20.3K$130.5KNew
MORGAN STANLEY16.4K$105.5K$35.2KCut−$10.7K
Citadel15.9K$102.2KNew
NORTHERN TRUST CORP12.2K$78.6KNew
GOLDMAN SACHS GROUP INC11.5K$73.8K$24.7KAdded$22.1K
OMERS ADMINISTRATION Corp11.4K$73.4K$24.5KCut−$17.1K
Russell Investments Group, Ltd.5.49K$35.4K$11.8KAdded$11.8K
Fidelity3.53K$22.7K$7.59KAdded$7.46K
UBS Group AG1.53K$9.83K$3.28KCut−$148.4K
WELLS FARGO & COMPANY/MN1.5K$9.66K$3.23KAdded$3.23K
MARK SHEPTOFF FINANCIAL PLANNING, LLC400$4.24K$2.52KAdded$2.52K
BNP PARIBAS FINANCIAL MARKETS542$3.49K$1.16KAdded$1.17K
JPMORGAN CHASE & CO223$1.22K$217Added$413
ROYAL BANK OF CANADA188$1K$445Held
OSAIC HOLDINGS, INC.18$116$39Cut−$21

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.