AZTR · Azitra, Inc.

$0.14 0.00 (-0.50%) At close · Aug 14

Market Cap

$8.44M

60.60M

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: 15

Total Value: $18,120,242

Total Shares: 107,858,643

Institutional Ownership Trend

13 quarters

Holder Concentration

Across 14 13F filers · Δ vs Mar 31, 2026

Top Holder

85.3%

−1.7 pts

Top 5

99.7%

−0.1 pts

Top 10

100.0%

−0.0 pts

HHI

7,415

Highly concentrated−200

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +8

Institutional value: +14227.7%

Shares held: +19855.8%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Micro Dauntless Investment Group, LLC	+11,291,186	11,292,186
Mega UBS Group AG	+20,276	50,481
Small StoneX Group Inc.	+6,187	28,651
Mega CITIGROUP INC	+4,444	6,149
Mid Tower Research Capital LLC (TRC)	+4,415	19,500

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds	Open
Mega GEODE CAPITAL MANAGEMENT, LLC	−374,469	95,409

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small Stonepine Capital Management, LLC	81,797,553	$13,741,988
Mid Nantahala Capital Management, LLC	8,694,197	$1,460,624
— NANTAHALA CAPITAL PARTNERS LIMITED PARTNERSHIP	5,448,213	$915,299
Mega JANE STREET GROUP, LLC	248,433	$41,736
Mega CITADEL ADVISORS LLC	86,242	$14,488

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Mega FMR LLC	150	$35

Filter: New 9 Increased 5 Reduced 1 Sold out 1 Unchanged 0

Showing 16 of 16

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Stonepine Capital Management, LLC

$13,741,988

75.84%

81,797,553

Dauntless Investment Group, LLC

$1,897,087

10.47%

11,292,186

Nantahala Capital Management, LLC

$1,088,738

6.01%

6,480,584

NANTAHALA CAPITAL PARTNERS LIMITED PARTNERSHIP

$915,299

5.05%

5,448,213

Nantahala Capital Management, LLC

$371,886

2.05%

2,213,613

JANE STREET GROUP, LLC

$41,736

0.23%

248,433

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	127,965	$21,498	51.5%	Defined
Jane Street Global Trading, LLC	120,468	$20,238	48.5%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$16,027

0.09%

95,409

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	719	$120	0.7%	Defined
Held directly	94,690	$15,907	99.3%	Defined

CITADEL ADVISORS LLC

$14,488

0.08%

86,242

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	86,242	$14,488	100.0%	Defined

Virtu Financial LLC

$10,909

0.06%

64,940

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	64,940	$10,909	100.0%	Defined

UBS Group AG

$8,480

0.05%

50,481

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	50,481	$8,480	100.0%	Defined

StoneX Group Inc.

$4,813

0.03%

28,651

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

Manager	Shares	Value (USD)	% of position	Discretion
STONEX FINANCIAL INC.	28,651	$4,813	100.0%	Defined

Tower Research Capital LLC (TRC)

$3,276

0.02%

19,500

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

Manager	Shares	Value (USD)	% of position	Discretion
Tower Research Capital Investments LLC	19,500	$3,276	100.0%	Other

Corient Private Wealth LLC

$2,427

0.01%

14,451

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$2,055

0.01%

12,237

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

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	12,237	$2,055	100.0%	Other

CITIGROUP INC

$1,033

0.01%

6,149

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	6,149	$1,033	100.0%	Defined

BARCLAYS PLC

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	1	$0	—	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
STRATEGIC ADVISERS LLC	150	$35	100.0%	Defined

Key facts CIK 1701478 CUSIP 05479L302 13F (30d) 16 filings 15 filers Visit website Investor relations