ANTX · AN2 Therapeutics, Inc.

$5.84 +0.05 (+0.86%)

Market Cap

$218.49M

37.74M

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.

Quarter:

Holders: 66

Total Value: $118,986,690

Total Shares: 24,584,035

Institutional Ownership Trend

18 quarters

Holder Concentration

Across 66 13F filers · Δ vs Mar 31, 2026

Top Holder

12.8%

−1.6 pts

Top 5

47.7%

−1.8 pts

Top 10

69.7%

−0.2 pts

HHI

641

Broadly held−24

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +14

Institutional value: +58.9%

Shares held: +12.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+1,346,726	1,665,494
Mega CITADEL ADVISORS LLC	+796,758	951,997
Mid Commodore Capital LP	+599,967	2,933,680
Mega GEODE CAPITAL MANAGEMENT, LLC	+411,259	697,806
Mega VANGUARD CAPITAL MANAGEMENT LLC	+227,627	1,238,705

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large Woodline Partners LP	−533,866	459,805
Mega BANK OF AMERICA CORP /DE/	−247,899	145,803
Mega MORGAN STANLEY	−184,808	49,379
Small Stonepine Capital Management, LLC	−162,153	551,692
Mega AMERIPRISE FINANCIAL INC	−159,117	537,064

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid SummitTX Capital, L.P.	597,453	$2,891,672
Large Balyasny Asset Management L.P.	556,027	$2,691,170
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	179,594	$869,234
Mega GOLDMAN SACHS GROUP INC	87,933	$425,595
Mega DIMENSIONAL FUND ADVISORS LP	76,045	$368,057

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large BANK OF NOVA SCOTIA	459,194	$1,570,443
Mega JANE STREET GROUP, LLC	303,649	$1,038,478
Mega BANK OF MONTREAL /CAN/	260,127	$889,634
Mid CANTOR FITZGERALD, L. P.	200,000	$684,000
Mid Centiva Capital, LP	75,000	$256,500

Filter: New 28 Increased 15 Reduced 14 Sold out 14 Unchanged 9

Showing 66 of 66

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Vivo Capital, LLC

$15,263,617

12.83%

3,153,640

Commodore Capital LP

$14,199,011

11.93%

2,933,680

MILLENNIUM MANAGEMENT LLC

$11,222,469

9.43%

2,318,692

BlackRock, Inc.

$8,060,989

6.77%

1,665,494

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	2,599	$12,579	0.2%	Sole
BlackRock Investment Management, LLC	75,546	$365,642	4.5%	Sole
BLACKROCK ADVISORS LLC	61,049	$295,477	3.7%	Sole
BlackRock Fund Advisors	919,180	$4,448,831	55.2%	Sole
BlackRock Institutional Trust Company, N.A.	593,883	$2,874,393	35.7%	Sole
BlackRock Investment Management (UK) Ltd.	13,237	$64,067	0.8%	Sole

Spruce Street Capital LP

$8,039,593

6.76%

1,661,073

Almitas Capital LLC

$7,110,584

5.98%

1,469,129

VANGUARD CAPITAL MANAGEMENT LLC

$5,995,332

5.04%

1,238,705

ADAGE CAPITAL PARTNERS GP, L.L.C.

$4,840,000

4.07%

1,000,000

CITADEL ADVISORS LLC

$4,607,665

3.87%

951,997

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

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	36,124	$174,840	3.8%	Defined
Held directly	915,873	$4,432,825	96.2%	Defined

Boxer Capital Management, LLC

$3,625,329

3.05%

749,035

GEODE CAPITAL MANAGEMENT, LLC

$3,377,381

2.84%

697,806

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	98,675	$477,587	14.1%	Defined
Held directly	599,131	$2,899,794	85.9%	Defined

SummitTX Capital, L.P.

$2,891,672

2.43%

597,453

Balyasny Asset Management L.P.

$2,691,170

2.26%

556,027

Stonepine Capital Management, LLC

$2,670,189

2.24%

551,692

AMERIPRISE FINANCIAL INC

$2,599,389

2.18%

537,064

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

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	537,064	$2,599,389	100.0%	Defined

Sio Capital Management, LLC

$2,564,875

2.16%

529,933

Ally Bridge Group (NY) LLC

$2,547,364

2.14%

526,315

Prosight Management, LP

$2,297,247

1.93%

474,638

Woodline Partners LP

$2,225,456

1.87%

459,805

STATE STREET CORP

$1,508,153

1.27%

311,602

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	311,602	$1,508,153	100.0%	Defined

NORTHERN TRUST CORP

$1,040,217

0.87%

214,921

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	210,774	$1,020,146	98.1%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	4,147	$20,071	1.9%	Other

Seven Fleet Capital Management LP

$1,011,298

0.85%

208,946

VANGUARD FIDUCIARY TRUST CO

$953,092

0.80%

196,920

VANGUARD PORTFOLIO MANAGEMENT LLC

$869,234

0.73%

179,594

LANDSCAPE CAPITAL MANAGEMENT, L.L.C.

$810,437

0.68%

167,446

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

Manager	Shares	Value (USD)	% of position	Discretion
Landscape High Leverage Fund, LP	31,122	$150,630	18.6%	Defined
LANDSCAPE OFFSHORE HL FUND LTD.	86,958	$420,876	51.9%	Defined
Held directly	49,366	$238,931	29.5%	Sole

BANK OF AMERICA CORP /DE/

$705,686

0.59%

145,803

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

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	109,929	$532,056	75.4%	Defined
BOFA SECURITIES, INC.	35,874	$173,630	24.6%	Defined

RENAISSANCE TECHNOLOGIES LLC

$627,748

0.53%

129,700

GOLDMAN SACHS GROUP INC

$425,595

0.36%

87,933

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

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	49,656	$240,335	56.5%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	38,277	$185,260	43.5%	Defined

DIMENSIONAL FUND ADVISORS LP

$368,057

0.31%

76,045

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

Manager	Shares	Value (USD)	% of position	Discretion
DFA Australia Ltd.	306	$1,481	0.4%	Defined
Dimensional Ireland Ltd	5,534	$26,784	7.3%	Defined
Held directly	70,205	$339,792	92.3%	Sole

UBS Group AG

$358,576

0.30%

74,086

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	74,086	$358,576	100.0%	Defined

Walleye Capital LLC

$349,152

0.29%

72,139

Bank of New York Mellon Corp

$327,551

0.28%

67,676

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	23,106	$111,833	34.1%	Defined
The Bank of New York Mellon	44,570	$215,718	65.9%	Defined

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$310,824

0.26%

64,220

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$289,916

0.24%

59,900

ADAR1 Capital Management, LLC

$284,630

0.24%

58,808

MORGAN STANLEY

$238,992

0.20%

49,379

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	28	$135	0.1%	Defined
MORGAN STANLEY & CO. LLC	7,268	$35,177	14.7%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	41,694	$201,798	84.4%	Defined
MORGAN STANLEY SMITH BARNEY LLC	300	$1,452	0.6%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	89	$430	0.2%	Defined

CAPTRUST FINANCIAL ADVISORS

$194,398

0.16%

40,165

Velan Capital Investment Management LP

$193,600

0.16%

40,000

Nuveen, LLC

$171,011

0.14%

35,333

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

Manager	Shares	Value (USD)	% of position	Discretion
TEACHERS ADVISORS, LLC joint	35,333	$171,011	100.0%	Defined

DEUTSCHE BANK AG\

$125,055

0.11%

25,838

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

Manager	Shares	Value (USD)	% of position	Discretion
DWS Investments UK Ltd	25,838	$125,055	100.0%	Defined

RHUMBLINE ADVISERS

$117,815

0.10%

24,342

WELLS FARGO & COMPANY/MN

$108,362

0.09%

22,389

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	22,389	$108,362	100.0%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$106,586

0.09%

22,022

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

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	22,022	$106,586	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$77,018

0.06%

15,913

Invesco Ltd.

$66,980

0.06%

13,839

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

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	3,287	$15,909	23.8%	Defined
Invesco Trust Co joint	10,552	$51,071	76.2%	Defined

LPL Financial LLC

$59,774

0.05%

12,350

CITIGROUP INC

$59,371

0.05%

12,267

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	12,267	$59,371	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$58,980

0.05%

12,186

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	12,186	$58,980	100.0%	Defined

JPMORGAN CHASE & CO

$53,099

0.04%

10,971

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.	10,971	$53,099	100.0%	Defined

Bronte Capital Management Pty Ltd.

$52,731

0.04%

10,895

BNP PARIBAS ARBITRAGE, SA

$49,295

0.04%

10,185

Police & Firemen's Retirement System of New Jersey

$41,696

0.04%

8,615

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	8,615	$41,696	100.0%	Defined

Vanguard Global Advisers, LLC

$35,496

0.03%

7,334

BARCLAYS PLC

$26,575

0.02%

5,491

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	3,884	$18,798	70.7%	Defined
BARCLAYS CAPITAL INC.	1,607	$7,777	29.3%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$24,200

0.02%

5,000

Legal & General Group Plc

$12,467

0.01%

2,576

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	2,576	$12,467	100.0%	Defined

Ameritas Investment Partners, Inc.

$11,625

0.01%

2,402

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

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	2,402	$11,625	100.0%	Other

Russell Investments Group, Ltd.

$10,222

0.01%

2,112

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	2,112	$10,222	100.0%	Defined

Tower Research Capital LLC (TRC)

$8,745

0.01%

1,807

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)	1,807	$8,745	100.0%	Defined

ROYAL BANK OF CANADA

$4,539

0.00%

938

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	938	$4,539	100.0%	Defined

Sterling Capital Management LLC

$2,342

0.00%

484

FEDERATED HERMES, INC.

$2,173

0.00%

449

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

Manager	Shares	Value (USD)	% of position	Discretion
FEDERATED MDTA LLC	449	$2,173	100.0%	Defined

OSAIC HOLDINGS, INC.

$1,452

0.00%

300

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	300	$1,452	100.0%	Defined

Caitong International Asset Management Co., Ltd

$1,326

0.00%

274

SBI Securities Co., Ltd.

$972

0.00%

201

FMR LLC

$295

0.00%

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	61	$295	100.0%	Defined

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	299,680	$1,024,905	98.7%	Defined
Jane Street Global Trading, LLC	3,969	$13,573	1.3%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Cantor Fitzgerald & Co.	200,000	$684,000	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Hudson Bay Capital UK LLP	34,605	$118,349	100.0%	Defined

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	22,402	$76,614	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	17,700	$60,534	100.0%	Other

Key facts CIK 1880438 CUSIP 037326105 13F (30d) 66 filings 66 filers Visit website Investor relations