IFRX · InflaRx N.V.

$2.22 -0.01 (-0.45%) At close · Sep 4

Market Cap

$327.16M

147.37M

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: 62

Total Value: $211,989,339

Total Shares: 94,638,107

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 62 13F filers · Δ vs Mar 31, 2026

Top Holder

24.2%

−17.6 pts

Top 5

61.5%

−23.6 pts

Top 10

80.2%

−14.1 pts

HHI

1,094

Broadly held−1,216

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +26

Institutional value: +1150.3%

Shares held: +399.0%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mid SUVRETTA CAPITAL MANAGEMENT, LLC	+15,000,000	22,933,910
Mid ADAR1 Capital Management, LLC	+2,841,729	3,000,000
Mid 683 Capital Management, LLC	+1,750,000	5,065,000
Mid XTX Topco Ltd	+246,404	335,312
Mega JANE STREET GROUP, LLC	+215,226	249,826

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid Eversept Partners, LP	−454,504	1,304,069
Mega MORGAN STANLEY	−259,962	915,614
Large Squarepoint Ops LLC	−122,374	179,613
Mega RAYMOND JAMES FINANCIAL INC	−18,640	377,163
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−14,130	62,984

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid TCG Crossover Management, LLC	14,500,000	$32,480,000
Mega FMR LLC	8,163,341	$18,285,883
Mid Commodore Capital LP	7,300,000	$16,352,000
Small Spruce Street Capital LP	5,352,198	$11,988,923
Large FARALLON CAPITAL MANAGEMENT LLC	3,325,000	$7,448,000

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega BANK OF AMERICA CORP /DE/	1,975,000	$1,765,650
Mid GSA CAPITAL PARTNERS LLP	127,469	$113,957
Mid Integrated Wealth Concepts LLC	10,000	$8,940

Filter: New 29 Increased 14 Reduced 8 Sold out 3 Unchanged 11

Showing 67 of 67

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

SUVRETTA CAPITAL MANAGEMENT, LLC

$51,371,958

24.23%

22,933,910

TCG Crossover Management, LLC

$32,480,000

15.32%

14,500,000

FMR LLC

$18,285,883

8.63%

8,163,341

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	8,163,341	$18,285,883	100.0%	Defined

Commodore Capital LP

$16,352,000

7.71%

7,300,000

Spruce Street Capital LP

$11,988,923

5.66%

5,352,198

683 Capital Management, LLC

$11,345,600

5.35%

5,065,000

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

Manager	Shares	Value (USD)	% of position	Discretion
683 Capital Partners, LP	5,065,000	$11,345,600	100.0%	Defined

FARALLON CAPITAL MANAGEMENT LLC

$7,448,000

3.51%

3,325,000

STEMPOINT CAPITAL LP

$7,231,291

3.41%

3,228,255

GREAT POINT PARTNERS LLC

$6,824,287

3.22%

3,046,557

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

Manager	Shares	Value (USD)	% of position	Discretion
JAY JEFFREY R joint	3,046,557	$6,824,287	100.0%	Defined

ADAR1 Capital Management, LLC

$6,720,000

3.17%

3,000,000

Kalehua Capital Management LLC

$6,491,002

3.06%

2,897,769

AMERIPRISE FINANCIAL INC

$5,763,069

2.72%

2,572,799

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	2,572,799	$5,763,069	100.0%	Defined

Woodline Partners LP

$4,716,288

2.22%

2,105,486

Squadron Capital Management LLC

$4,480,000

2.11%

2,000,000

Eversept Partners, LP

$2,921,114

1.38%

1,304,069

FRANKLIN RESOURCES INC

$2,320,904

1.09%

1,036,118

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

Manager	Shares	Value (USD)	% of position	Discretion
FRANKLIN ADVISERS INC	1,036,118	$2,320,904	100.0%	Defined

MORGAN STANLEY

$2,050,975

0.97%

915,614

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	828,692	$1,856,270	90.5%	Defined
MORGAN STANLEY SMITH BARNEY LLC	86,922	$194,705	9.5%	Defined

Jefferies Financial Group Inc.

$1,736,781

0.82%

775,349

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

Manager	Shares	Value (USD)	% of position	Discretion
Jefferies Financial Services, Inc.	775,349	$1,736,781	100.0%	Defined

MARSHALL WACE, LLP

$1,593,303

0.75%

711,296

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	711,296	$1,593,303	100.0%	Other

MILLENNIUM MANAGEMENT LLC

$1,270,189

0.60%

567,049

RAYMOND JAMES FINANCIAL INC

$844,844

0.40%

377,163

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	69,659	$156,036	18.5%	Defined
Raymond James Financial Services Advisors, Inc.	307,504	$688,808	81.5%	Defined

XTX Topco Ltd

$751,098

0.35%

335,312

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	335,312	$751,098	100.0%	Defined

T3 Companies, LLC

$741,471

0.35%

331,014

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

Manager	Shares	Value (USD)	% of position	Discretion
T3 Global Trading, LLC	331,014	$741,471	100.0%	Sole

Qube Research & Technologies Ltd

$601,030

0.28%

268,317

Verde Servicos Internacionais S.A.

$562,240

0.27%

251,000

DCF Advisers, LLC

$511,840

0.24%

228,500

TWO SIGMA INVESTMENTS, LP

$405,704

0.19%

181,118

Squarepoint Ops LLC

$402,333

0.19%

179,613

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	179,613	$402,333	100.0%	Defined

Quadrature Capital Ltd

$348,131

0.16%

155,416

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

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	155,416	$348,131	100.0%	Other

MYDA Advisors LLC

$336,000

0.16%

150,000

JANE STREET GROUP, LLC

$320,826

0.15%

143,226

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	143,226	$320,826	100.0%	Defined

HRT FINANCIAL LP

$320,790

0.15%

143,210

CITADEL ADVISORS LLC

$312,009

0.15%

139,290

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	135,318	$303,112	97.1%	Defined
Held directly	3,972	$8,897	2.9%	Defined

BNP PARIBAS ARBITRAGE, SA

$295,317

0.14%

131,838

Kestra Advisory Services, LLC

$212,800

0.10%

95,000

JANE STREET GROUP, LLC

$208,768

0.10%

93,200

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	93,200	$208,768	100.0%	Defined

UBS Group AG

$177,256

0.08%

79,133

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	21,210	$47,510	26.8%	Defined
UBS Switzerland AG	56,749	$127,117	71.7%	Defined
UBS Securities LLC	1,174	$2,629	1.5%	Defined

SIMPLEX TRADING, LLC

$142,027

0.07%

63,405

INSIGNEO ADVISORY SERVICES, LLC

$134,960

0.06%

60,250

CITADEL ADVISORS LLC

$114,016

0.05%

50,900

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	50,900	$114,016	100.0%	Defined

Invesco Ltd.

$98,226

0.05%

43,851

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

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Capital Management LLC	43,851	$98,226	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$97,825

0.05%

43,672

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$95,836

0.05%

42,784

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	42,784	$95,836	100.0%	Other

FRED ALGER MANAGEMENT, LLC

$95,128

0.04%

42,468

Steward Partners Investment Advisory, LLC

$56,840

0.03%

25,375

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$45,248

0.02%

20,200

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	20,200	$45,248	100.0%	Other

AXQ CAPITAL, LP

$40,664

0.02%

18,154

China Universal Asset Management Co., Ltd.

$35,840

0.02%

16,000

Engineers Gate Manager LP

$34,489

0.02%

15,397

Pacifica Partners Inc.

$31,830

0.02%

14,210

JANE STREET GROUP, LLC

$30,016

0.01%

13,400

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	13,400	$30,016	100.0%	Defined

CITADEL ADVISORS LLC

$28,672

0.01%

12,800

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	12,800	$28,672	100.0%	Defined

Concurrent Investment Advisors, LLC

$28,338

0.01%

12,651

Sanctuary Advisors, LLC

$24,640

0.01%

11,000

COMMONWEALTH EQUITY SERVICES, LLC

$24,192

0.01%

10,800

SG Americas Securities, LLC

$22,635

0.01%

10,105

Axiom Investment Management LLC

$22,400

0.01%

10,000

Persistent Asset Partners Ltd

$8,303

0.00%

3,707

JPMORGAN CHASE & CO

$7,217

0.00%

3,222

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities plc	3,222	$7,217	100.0%	Defined

Tower Research Capital LLC (TRC)

$6,482

0.00%

2,894

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)	2,894	$6,482	100.0%	Defined

NewEdge Advisors, LLC

$4,928

0.00%

2,200

WELLS FARGO & COMPANY/MN

$4,480

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
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	2,000	$4,480	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

$3,996

0.00%

1,784

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.	1,784	$3,996	100.0%	Sole

CITIGROUP INC

$2,914

0.00%

1,301

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	1,301	$2,914	100.0%	Defined

Keating Financial Advisory Services, Inc.

$1,503

0.00%

671

Quarry LP

$1,485

0.00%

663

Caitong International Asset Management Co., Ltd

$185

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
BOFA SECURITIES, INC.	1,975,000	$1,765,650	100.0%	Defined

Key facts CIK 1708688 CUSIP N44821101 13F (30d) 48 filings 48 filers Visit website Investor relations