ARTV · Artiva Biotherapeutics, Inc. · Holdings

$10.22 -0.20 (-1.92%) At close · Sep 11

Russell 2000 member Rebalance outlook locked

Market Cap

$499.66M

48.89M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 72

Total Value: $391,632,055

Total Shares: 40,374,442

Institutional Ownership Trend

8 quarters

Superinvestors Holding ARTV

All superinvestors →

Andreas Halvorsen $25,260,410

Holder Concentration

Across 72 13F filers · Δ vs Mar 31, 2026

Top Holder

44.5%

−14.1 pts

Top 5

67.8%

−20.6 pts

Top 10

84.0%

−10.6 pts

HHI

2,189

Moderately concentrated−1,554

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +32

Institutional value: +261.2%

Shares held: +139.8%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large RA CAPITAL MANAGEMENT, L.P.	+8,102,340	17,955,642
Mega FRANKLIN RESOURCES INC	+1,476,896	1,997,223
Mega VANGUARD CAPITAL MANAGEMENT LLC	+774,129	981,815
Mega CITADEL ADVISORS LLC	+593,506	609,376
Small Propel Bio Management, LLC	+550,067	696,436

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds	Open
Mega TWO SIGMA INVESTMENTS, LP	−36,466	78,575
Mega MORGAN STANLEY	−14,165	2,212

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large VIKING GLOBAL INVESTORS LP	2,604,166	$25,260,410
Large Blackstone Inc.	2,403,437	$23,313,338
Mid Caligan Partners LP	1,736,111	$16,840,276
Mid SAMSARA BIOCAPITAL, LLC	954,861	$9,262,151
Small Blue Owl Capital Holdings LP	874,542	$8,483,057

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small venBio Partners LLC	531,337	$3,421,810
Mega MILLENNIUM MANAGEMENT LLC	123,270	$793,858
Mega JANE STREET GROUP, LLC	39,496	$254,354
Large PANAGORA ASSET MANAGEMENT INC	30,702	$197,720
Large Sanctuary Advisors, LLC	21,581	$138,981

Filter: New 39 Increased 25 Reduced 2 Sold out 7 Unchanged 6

Showing 72 of 72

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

RA CAPITAL MANAGEMENT, L.P.

$174,169,727

44.47%

17,955,642

VIKING GLOBAL INVESTORS LP

$25,260,410

6.45%

2,604,166

Blackstone Inc.

$23,313,338

5.95%

2,403,437

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Blackstone Alternative Asset Management L.P.	2,403,437	$23,313,338	100.0%	Other

5AM Venture Management, LLC

$22,827,048

5.83%

2,353,304

Venrock Adviser, LLC

$19,822,881

5.06%

2,043,596

FRANKLIN RESOURCES INC

$19,373,063

4.95%

1,997,223

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FRANKLIN ADVISERS INC	1,997,223	$19,373,063	100.0%	Defined

Caligan Partners LP

$16,840,276

4.30%

1,736,111

VANGUARD CAPITAL MANAGEMENT LLC

$9,523,605

2.43%

981,815

SAMSARA BIOCAPITAL, LLC

$9,262,151

2.37%

954,861

Blue Owl Capital Holdings LP

$8,483,057

2.17%

874,542

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Blue Owl Healthcare Opportunities Advisors LLC	874,542	$8,483,057	100.0%	Defined

Propel Bio Management, LLC

$6,755,429

1.72%

696,436

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Simplify Asset Management Inc.	696,436	$6,755,429	100.0%	Defined

BlackRock, Inc.

$6,738,840

1.72%

694,726

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	596	$5,781	0.1%	Sole
BlackRock Investment Management, LLC	19,168	$185,929	2.8%	Sole
BLACKROCK ADVISORS LLC	13,854	$134,383	2.0%	Sole
BlackRock Fund Advisors	178,059	$1,727,172	25.6%	Sole
BlackRock Institutional Trust Company, N.A.	479,203	$4,648,269	69.0%	Sole
Aperio Group, LLC	3,846	$37,306	0.6%	Sole

CITADEL ADVISORS LLC

$5,910,947

1.51%

609,376

SILVERARC CAPITAL MANAGEMENT, LLC

$5,092,500

1.30%

525,000

GEODE CAPITAL MANAGEMENT, LLC

$3,432,296

0.88%

353,845

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	61,813	$599,586	17.5%	Defined
Held directly	292,032	$2,832,710	82.5%	Defined

BOOTHBAY FUND MANAGEMENT, LLC

$3,049,437

0.78%

314,375

Nantahala Capital Management, LLC

$2,910,000

0.74%

300,000

Revelation Capital Management, LLC

$2,903,316

0.74%

299,311

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Boggs Michael Huff joint	299,311	$2,903,316	100.0%	Sole

Alyeska Investment Group, L.P.

$2,654,065

0.68%

273,615

ACUTA CAPITAL PARTNERS, LLC

$2,526,035

0.65%

260,416

KVP Capital Advisors, LP

$1,940,000

0.50%

200,000

WELLINGTON MANAGEMENT GROUP LLP

$1,882,847

0.48%

194,108

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management Company LLP	194,108	$1,882,847	100.0%	Defined

UBS Group AG

$1,784,993

0.46%

184,020

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	181,136	$1,757,019	98.4%	Defined
UBS Switzerland AG	2,884	$27,974	1.6%	Defined

SEVEN GRAND MANAGERS, LLC

$1,697,500

0.43%

175,000

STATE STREET CORP

$1,607,910

0.41%

165,764

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	165,764	$1,607,910	100.0%	Defined

RENAISSANCE TECHNOLOGIES LLC

$1,464,700

0.37%

151,000

VANGUARD FIDUCIARY TRUST CO

$1,439,412

0.37%

148,393

ADAR1 Capital Management, LLC

$1,150,652

0.29%

118,624

Simplify Asset Management Inc.

$983,143

0.25%

101,355

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$824,500

0.21%

85,000

TWO SIGMA INVESTMENTS, LP

$762,177

0.19%

78,575

NORTHERN TRUST CORP

$741,302

0.19%

76,423

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	75,706	$734,348	99.1%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	717	$6,954	0.9%	Other

DAFNA Capital Management LLC

$650,879

0.17%

67,101

Quadrature Capital Ltd

$478,646

0.12%

49,345

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	49,345	$478,646	100.0%	Other

DIMENSIONAL FUND ADVISORS LP

$434,705

0.11%

44,815

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Ireland Ltd	2	$19	0.0%	Defined
Held directly	44,813	$434,686	100.0%	Sole

XTX Topco Ltd

$412,337

0.11%

42,509

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	42,509	$412,337	100.0%	Defined

VANGUARD PORTFOLIO MANAGEMENT LLC

$301,796

0.08%

31,113

Velan Capital Investment Management LP

$242,500

0.06%

25,000

ACADIAN ASSET MANAGEMENT LLC

$222,518

0.06%

22,940

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	22,940	$222,518	100.0%	Defined

Atom Investors LP

$221,683

0.06%

22,854

BAILARD, INC.

$200,790

0.05%

20,700

Spark Investment Management LLC

$160,050

0.04%

16,500

GOLDMAN SACHS GROUP INC

$153,066

0.04%

15,780

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	15,780	$153,066	100.0%	Defined

Squarepoint Ops LLC

$144,093

0.04%

14,855

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	14,855	$144,093	100.0%	Defined

ALLIANCEBERNSTEIN L.P.

$135,606

0.03%

13,980

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	13,980	$135,606	100.0%	Defined

Vanguard Global Advisers, LLC

$116,186

0.03%

11,978

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$115,391

0.03%

11,896

NEW YORK STATE COMMON RETIREMENT FUND

$59,170

0.02%

6,100

Russell Investments Group, Ltd.

$56,851

0.01%

5,861

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	5,861	$56,851	100.0%	Defined

WELLS FARGO & COMPANY/MN

$53,156

0.01%

5,480

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	3,980	$38,606	72.6%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	1,500	$14,550	27.4%	Defined

State of Wyoming

$44,503

0.01%

4,588

JPMORGAN CHASE & CO

$40,652

0.01%

4,191

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	1,923	$18,653	45.9%	Defined
J.P. Morgan Securities plc	2,268	$21,999	54.1%	Defined

FMR LLC

$34,512

0.01%

3,558

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	3,558	$34,512	100.0%	Defined

BARCLAYS PLC

$32,358

0.01%

3,336

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	494	$4,791	14.8%	Defined
BARCLAYS CAPITAL INC.	2,842	$27,567	85.2%	Defined

ROYAL BANK OF CANADA

$29,739

0.01%

3,066

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	224	$2,172	7.3%	Defined
RBC Capital Markets, LLC	2,842	$27,567	92.7%	Defined

RHUMBLINE ADVISERS

$29,478

0.01%

3,039

MORGAN STANLEY

$21,455

0.01%

2,212

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	1,935	$18,769	87.5%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	236	$2,289	10.7%	Defined
MORGAN STANLEY SMITH BARNEY LLC	41	$397	1.9%	Defined

CITIGROUP INC

$20,786

0.01%

2,143

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	2,143	$20,786	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$20,719

0.01%

2,136

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	2,136	$20,719	100.0%	Defined

Federation des caisses Desjardins du Quebec

$19,400

0.00%

2,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	2,000	$19,400	100.0%	Defined

China Universal Asset Management Co., Ltd.

$15,520

0.00%

1,600

BNP PARIBAS ARBITRAGE, SA

$11,135

0.00%

1,148

Legal & General Group Plc

$5,490

0.00%

566

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	566	$5,490	100.0%	Defined

Steward Partners Investment Advisory, LLC

$4,850

0.00%

500

Ameritas Investment Partners, Inc.

$4,083

0.00%

421

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	421	$4,083	100.0%	Other

MARK SHEPTOFF FINANCIAL PLANNING, LLC

$3,880

0.00%

400

Tower Research Capital LLC (TRC)

$2,395

0.00%

247

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	247	$2,395	100.0%	Defined

US BANCORP \DE\

$2,279

0.00%

235

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	235	$2,279	100.0%	Defined

Quarry LP

$911

0.00%

Sterling Capital Management LLC

$698

0.00%

Caitong International Asset Management Co., Ltd

$126

0.00%

JONES FINANCIAL COMPANIES LLLP

$106

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	11	$106	100.0%	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	18,580	$119,655	47.0%	Defined
Jane Street Global Trading, LLC	20,916	$134,699	53.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	18	$115	100.0%	Defined

Key facts CIK 1817241 CUSIP 04317A107 13F (30d) 52 filings 52 filers Visit website Investor relations