Comparable stake leader
SUVRETTA CAPITAL MANAGEMENT, LLC
SEC ownership of InflaRx N.V.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001708688.
Disclosed value leader
TCG Crossover GP III, LLC
Comparable rows
44/44
Latest evidence
07 May 2026
- Public ticker
- IFRX on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
SUVRETTA CAPITAL MANAGEMENT, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
44 of 44
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
SUVRETTA CAPITAL MANAGEMENT, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
07 May 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001708688
- Issuer location
- Jena, Germany
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of InflaRx N.V. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
SUVRETTA CAPITAL MANAGEME...
Disclosed value leader
TCG Crossover GP III, LLC
Comparable rows
44/44
Latest evidence
07 May 2026
13D/G
13F
3/4/5
Lead comparable stake: 12%
13D/G row: SUVRETTA CAPITAL MANAGEMENT, LLC
Showing 1-8 of 44 holder rows.
Quick read
SUVRETTA CAPITAL MANAGEMENT, LLC leads the comparable SEC ownership view at 12%.
44 of 44 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens SUVRETTA CAPITAL MANAGEMENT, LLC's linked filing trail.
Comparable ownership
Top 5
SUVRETTA CAPITAL MANAGEMENT, LLC
12%
TCG Crossover GP III, LLC
9.8%
Farallon Capital Partners, L.P.
5.1%
Renfeng Guo
1.2%
Niels Riedemann
0.73%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 44 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC |
13D/G
13F
Company
|
12%
|
$8,647,962
7,933,910 shares
|
$0 | 31 Dec 2025 |
| TCG Crossover GP III, LLC |
13D/G
|
9.8%
|
$14,935,000
14,500,000 shares
|
$0 | 07 May 2026 |
| Farallon Capital Partners, L.P. |
13D/G
Dapice Joshua J.
|
5.1%
|
$7,725,000
7,500,000 shares
|
$0 | 07 May 2026 |
| Renfeng Guo |
3/4/5
Chief Scientific Officer, Director
|
1.2%
|
$1,638,793
1,762,144 shares
|
— | 18 Mar 2026 |
| Niels Riedemann |
3/4/5
Chief Executive Officer, Director
|
0.73%
|
$994,084
1,068,908 shares
|
— | 18 Mar 2026 |
| Mark Kubler |
3/4/5
Director
|
0.65%
|
$892,813
960,015 shares
|
— | 18 Mar 2026 |
| Nicolas Fulpius |
3/4/5
Director
|
0.33%
|
$455,748
490,052 shares
|
— | 18 Mar 2026 |
| Richard Brudnick |
3/4/5
Director
|
0.03%
|
$46,500
50,000 shares
|
— | 18 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 18 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-9 of 9 reporting-owner rows connected to InflaRx N.V.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Largest Forms 3/4/5 holder
Renfeng Guo
Net 12M change
$0
Latest report
18 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Renfeng Guo | Chief Scientific Officer, Director | $1,638,793 | Mixed | 18 Mar 2026 | ||
| Niels Riedemann | Chief Executive Officer, Director | $994,084 | Mixed | 18 Mar 2026 | ||
| Mark Kubler | Director | $892,813 | Mixed | 18 Mar 2026 | ||
| Nicolas Fulpius | Director | $455,748 | Mixed | 18 Mar 2026 | ||
| Richard Brudnick | Director | $46,500 | Mixed | 18 Mar 2026 | ||
| Anthony S. Gibney | Director | $9,300 | Mixed | 18 Mar 2026 | ||
| Thomas Taapken | Chief Financial Officer | $3,255 | Mixed | 18 Mar 2026 | ||
| Derval OCarroll | Officer | Mixed | 18 Mar 2026 | |||
| Hege Hellstrom | Director | Mixed | 18 Mar 2026 |
Recent insider transactions for InflaRx N.V.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Mark Kubler | IFRX | Ordinary Shares | 0 | 960,015 | 18 Mar 2026 | Direct | ||||
| Anthony S. Gibney | IFRX | Ordinary Shares | 0 | 10,000 | 18 Mar 2026 | Direct | ||||
| Richard Brudnick | IFRX | Ordinary Shares | 0 | 50,000 | 18 Mar 2026 | Direct | ||||
| Renfeng Guo | IFRX | Ordinary Shares | 0 | 1,762,144 | 18 Mar 2026 | Direct | ||||
| Nicolas Fulpius | IFRX | Ordinary Shares | 0 | 490,052 | 18 Mar 2026 | Direct | ||||
| Niels Riedemann | IFRX | Ordinary Shares | 0 | 1,068,908 | 18 Mar 2026 | Direct | ||||
| Thomas Taapken | IFRX | Ordinary Shares | 0 | 3,500 | 18 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.