Vault-13

INFLARX NV IFRX

COM · Common Stock · CUSIP N44821101

62 institutional holders +27 vs Q1 2026
97,345,37697.3m shares reported held*
$218.1mreported value*
29 new 13 added 8 reduced 3 sold out net bought ≈ $168.3m (+75.1m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $2.24. Options: 5 managers hold calls ($912.8k notional), 4 hold puts ($71.7k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0255075Q3 22: 31Q4 22: 34Q1 23: 26Q2 23: 38Q3 23: 43Q4 23: 40Q1 24: 38Q2 24: 34Q3 24: 28Q4 24: 31Q1 25: 32Q2 25: 28Q3 25: 27Q4 25: 34Q1 26: 35Q2 26: 6262Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202231
Q4 202234
Q1 202326
Q2 202338
Q3 202343
Q4 202340
Q1 202438
Q2 202434
Q3 202428
Q4 202431
Q1 202532
Q2 202528
Q3 202527
Q4 202534
Q1 202635
Q2 202662

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
50050Q3 24: 8 bought or addedQ3 24: 18 cut or sold outQ4 24: 15 bought or addedQ4 24: 10 cut or sold outQ4 24Q1 25: 17 bought or addedQ1 25: 16 cut or sold outQ2 25: 15 bought or addedQ2 25: 21 cut or sold outQ2 25Q3 25: 14 bought or addedQ3 25: 12 cut or sold outQ4 25: 22 bought or addedQ4 25: 11 cut or sold outQ4 25Q1 26: 13 bought or addedQ1 26: 15 cut or sold outQ2 26: 42 bought or addedQ2 26: 11 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 2024818
Q4 20241510
Q1 20251716
Q2 20251521
Q3 20251412
Q4 20252211
Q1 20261315
Q2 20264211

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$250k$500k$750k$1mQ3 25 calls: $218.7kQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $312.4kQ4 25 puts: $41.6kQ4 25P/C 0.13Q1 26 calls: $136.4kQ1 26 puts: $1.4kQ1 26P/C 0.01Q2 26 calls: $912.8kQ2 26 puts: $71.7kQ2 26P/C 0.08
Numbers
QuarterCallsPutsP/C
Q3 2025$218.7k$00.00
Q4 2025$312.4k$41.6k0.13
Q1 2026$136.4k$1.4k0.01
Q2 2026$912.8k$71.7k0.08

Biggest buyers

MONTANOVA CAPITAL, LLC Added +15,000,000+15.0m
TCG Crossover Management, LLC New +14,500,000+14.5m
FMR LLC New +8,163,341+8.2m
Commodore Capital LP New +7,300,000+7.3m
Kalehua Capital Management LLC New +5,795,538+5.8m
Spruce Street Capital LP New +5,352,198+5.4m
STEMPOINT CAPITAL LP New +3,228,255+3.2m
GREAT POINT PARTNERS LLC New +3,046,557+3.0m
ADAR1 Capital Management, LLC Added +2,841,729+2.8m
AMERIPRISE FINANCIAL INC New +2,572,799+2.6m

Biggest sellers

BANK OF AMERICA CORP /DE/ Sold out -1,975,000-2.0m
Eversept Partners, LP Reduced -454,504-454.5k
MORGAN STANLEY Reduced -259,962-260.0k
GSA CAPITAL PARTNERS LLP Sold out -127,469-127.5k
Squarepoint Ops LLC Reduced -122,374-122.4k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -34,330-34.3k
RAYMOND JAMES FINANCIAL INC Reduced -18,640-18.6k
Integrated Wealth Concepts LLC Sold out -10,000-10.0k
TWO SIGMA INVESTMENTS, LP Reduced -7,957-8.0k
Concurrent Investment Advisors, LLC Reduced -1,800-1.8k

Biggest calls

GROUP ONE TRADING LLC Added $353.2k157.7k shares
JANE STREET GROUP, LLC Added $208.8k93.2k shares
SIMPLEX TRADING, LLC Added $191.5k85.5k shares
CITADEL ADVISORS LLC Reduced $114.0k50.9k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP New $45.2k20.2k shares

Biggest puts

JANE STREET GROUP, LLC New $30.0k13.4k shares
CITADEL ADVISORS LLC New $28.7k12.8k shares
SIMPLEX TRADING, LLC New $8.1k3.6k shares
GROUP ONE TRADING LLC Added $4.9k2.2k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
MONTANOVA CAPITAL, LLC 13G · passive investor +3.9 pts · filed 2026-08-14 15.6% +3.9 pts 22.9m≈ $27.8m 2026-08-14
TCG Crossover GP III, LLC 13G · passive investor new · filed 2026-05-12 9.8% new 14.5m≈ $17.5m 2026-05-12
Sirenia Capital Management LP 13G · institution new · filed 2026-08-14 6.1% new 8.9m≈ $10.9m 2026-08-14
FMR LLC 13G · institution new · filed 2026-08-06 5.5% new 8.2m≈ $9.8m 2026-08-06
Commodore Capital LP 13G · passive investor new · filed 2026-08-17 5.1% new 7.5m≈ $9.1m 2026-08-17
Farallon Capital Partners, L.P. 13G · passive investor new · filed 2026-05-14 5.1% new 7.5m≈ $9.1m 2026-05-14

Fell to 5% or below in the last year: FARALLON CAPITAL MANAGEMENT, L.L.C. (2.3%, 2026-08-14; now reported by Farallon Capital Partners, L.P.)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 MONTANOVA CAPITAL, LLC 1.08% of their portfolio New York, NY 22,933,91022.9m $51.4m $51.4m 1.08% Added +15.0m +15,000,000
2 TCG Crossover Management, LLC 0.78% of their portfolio PALO ALTO, CA 14,500,00014.5m $32.5m $32.5m 0.78% New
3 FMR LLC 0.00% of their portfolio BOSTON, MA 8,163,3418.2m $18.3m $18.3m 0.00% New
4 Commodore Capital LP 0.97% of their portfolio NEW YORK, NY 7,300,0007.3m $16.4m $16.4m 0.97% New
5 Kalehua Capital Management LLC 4.14% of their portfolio DALLAS, TX 5,795,5385.8m $13.0m $13.0m 4.14% New
6 Spruce Street Capital LP 2.35% of their portfolio NEW YORK, NY 5,352,1985.4m $12.0m $12.0m 2.35% New
7 683 Capital Management, LLC 1.04% of their portfolio NEW YORK, NY 5,065,0005.1m $11.3m $11.3m 1.04% Added +1.8m +1,750,000
8 FARALLON CAPITAL MANAGEMENT, L.L.C. 0.04% of their portfolio SAN FRANCISCO, CA 3,325,0003.3m $7.4m $7.4m 0.04% Not comparable
9 STEMPOINT CAPITAL LP 1.25% of their portfolio NEW YORK, NY 3,228,2553.2m $7.2m $7.2m 1.25% New
10 GREAT POINT PARTNERS LLC 1.61% of their portfolio Greenwich, CT 3,046,5573.0m $6.8m $6.8m 1.61% New
11 ADAR1 Capital Management, LLC 0.32% of their portfolio AUSTIN, TX 3,000,0003.0m $6.7m $6.7m 0.32% Added +2.8m +2,841,729
12 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 2,572,7992.6m $5.8m $5.8m 0.00% New
13 Woodline Partners LP 0.01% of their portfolio San Francisco, CA 2,105,4862.1m $4.7m $4.7m 0.01% New
14 Squadron Capital Management LLC 1.53% of their portfolio OAK BROOK, IL 2,000,0002.0m $4.5m $4.5m 1.53% New
15 Eversept Partners, LP 0.16% of their portfolio NEW YORK, NY 1,304,0691.3m $2.9m $2.9m 0.16% Reduced -454.5k -454,504
16 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 1,036,1181.0m $2.3m $2.3m 0.00% New
17 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 915,614915.6k $2.1m $2.1m 0.00% Reduced -260.0k -259,962
18 Jefferies Financial Group Inc. 0.02% of their portfolio NEW YORK, NY 775,349775.3k $1.7m $1.7m 0.02% New
19 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 711,296711.3k $1.6m $1.6m 0.00% Added +156.9k +156,932
20 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 567,049567.0k $1.3m $1.3m 0.00% New
21 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 377,163377.2k $844.8k $844.8k 0.00% Reduced -18.6k -18,640
22 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 335,312335.3k $751.1k $751.1k 0.01% Added +246.4k +246,404
23 T3 Companies, LLC 0.85% of their portfolio NEW YORK, NY 331,014331.0k $741.5k $741.5k 0.85% Added +40.0k +40,000
24 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 268,317268.3k $601.0k $601.0k 0.00% New
25 Verde Servicos Internacionais S.A. 0.21% of their portfolio SAO PAULO, D5 251,000251.0k $562.0k $562.0k 0.21% New
26 DCF Advisers, LLC 0.13% of their portfolio MOUNT PLEASANT, SC 228,500228.5k $511.8k $511.8k 0.13% Added +70.0k +70,000
27 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 181,118181.1k $405.7k $405.7k 0.00% Reduced -8.0k -7,957
28 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 179,613179.6k $402.3k $402.3k 0.00% Reduced -122.4k -122,374
29 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 155,416155.4k $348.1k $348.1k 0.00% New
30 MYDA Advisors LLC 0.08% of their portfolio WOODMERE, NY 150,000150.0k $336.0k $336.0k 0.08% New
31 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 143,226143.2k $320.8k $320.8k 0.00% New
32 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 143,210143.2k $320.0k $320.0k 0.00% Added +127.2k +127,213
33 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 139,290139.3k $312.0k $312.0k 0.00% Added +113.3k +113,253
34 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 131,838131.8k $295.3k $295.3k 0.00% Added +121.2k +121,238
35 Kestra Advisory Services, LLC 0.00% of their portfolio AUSTIN, TX 95,00095.0k $212.8k $212.8k 0.00% Unchanged
36 UBS Group AG 0.00% of their portfolio ZURICH, V8 79,13379.1k $177.3k $177.3k 0.00% Added +49.3k +49,333
37 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 63,40563.4k $142.0k $142.0k 0.00% New
38 INSIGNEO ADVISORY SERVICES, LLC 0.01% of their portfolio MIAMI, FL 60,25060.2k $135.0k $135.0k 0.01% Unchanged
39 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 43,85143.9k $98.2k $98.2k 0.00% New
40 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 43,67243.7k $97.8k $97.8k 0.00% Unchanged
41 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 42,78442.8k $95.8k $95.8k 0.00% Reduced -34.3k -34,330
42 FRED ALGER MANAGEMENT, LLC 0.00% of their portfolio NEW YORK, NY 42,46842.5k $95.1k $95.1k 0.00% New
43 Steward Partners Investment Advisory, LLC 0.00% of their portfolio STAMFORD, CT 25,37525.4k $56.8k $56.8k 0.00% Added +25.0k +25,000
44 AXQ CAPITAL, LP 0.00% of their portfolio JERSEY CITY, NJ 18,15418.2k $40.7k $40.7k 0.00% New
45 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 16,00016.0k $35.8k $35.8k 0.00% New
46 Engineers Gate Manager LP 0.00% of their portfolio NEW YORK, NY 15,39715.4k $34.5k $34.5k 0.00% Unchanged
47 Pacifica Partners Inc. 0.01% of their portfolio SURREY, Z4 14,21014.2k $31.7k $31.7k 0.01% Unchanged
48 Concurrent Investment Advisors, LLC 0.00% of their portfolio Tampa, FL 12,65112.7k $28.3k $28.3k 0.00% Reduced -1.8k -1,800
49 Sanctuary Advisors, LLC 0.00% of their portfolio INDIANAPOLIS, IN 11,00011.0k $24.6k $24.6k 0.00% Unchanged
50 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 10,80010.8k $24.2k $24.2k 0.00% Unchanged
51 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 10,10510.1k $23.0k $23.0k 0.00% New
52 Axiom Investment Management LLC 0.01% of their portfolio NEW YORK, NY 10,00010.0k $22.4k $22.4k 0.01% Unchanged
53 Persistent Asset Partners Ltd 0.00% of their portfolio HONG KONG, K3 3,7073.7k $8.3k $8.3k 0.00% New
54 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 3,2223.2k $7.3k $7.3k 0.00% Added +2.9k +2,887
55 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,8942.9k $6.5k $6.5k 0.00% New
56 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 2,2002.2k $4.9k $4.9k 0.00% Unchanged
57 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 2,0002.0k $4.5k $4.5k 0.00% New
58 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 1,7841.8k $3.4k $3.4k 0.00% Unchanged
59 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 1,3011.3k $2.9k $2.9k 0.00% Reduced -1 -1
60 Keating Financial Advisory Services, Inc. 0.00% of their portfolio MANHATTAN, KS 671671 $1.5k $1.5k 0.00% Unchanged
61 Quarry LP 0.00% of their portfolio NEW YORK, NY 663663 $1.5k $1.5k 0.00% New
62 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 8383 $186 $186 0.00% New