Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in IFRX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | SUVRETTA CAPITAL MANAGEMENT, LLC | 7.9M | $7.1M | 0.0% | 10.975% | 0.19% |
| 2 | 683 Capital Management, LLC | 3.3M | $3.0M | 0.0% | 4.585% | 0.23% |
| 3 | BANK OF AMERICA CORP /DE/ | 2.0M | $1.8M | -20.2% | 2.732% | 0.00% |
| 4 | Eversept Partners, LP | 1.8M | $1.6M | +0.1% | 2.433% | 0.10% |
| 5 | MORGAN STANLEY | 1.2M | $1.1M | +10.8% | 1.626% | 0.00% |
| 6 | MARSHALL WACE, LLP | 554K | $493K | +98.0% | 0.767% | 0.00% |
| 7 | RAYMOND JAMES FINANCIAL INC | 396K | $354K | +1.0% | 0.547% | 0.00% |
| 8 | Squarepoint Ops LLC | 302K | $270K | -6.9% | 0.418% | 0.00% |
| 9 | T3 Companies, LLC | 291K | $260K | 0.0% | 0.402% | 0.35% |
| 10 | TWO SIGMA INVESTMENTS, LP | 189K | $169K | -53.5% | 0.262% | 0.00% |
| 11 | DCF Advisers, LLC | 159K | $142K | 0.0% | 0.219% | 0.05% |
| 12 | ADAR1 Capital Management, LLC | 158K | $142K | β | 0.219% | 0.01% |
| 13 | Kestra Advisory Services, LLC | 95K | $85K | 0.0% | 0.131% | 0.00% |
| 14 | XTX Topco Ltd | 89K | $80K | -33.5% | 0.123% | 0.00% |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 77K | $69K | +51.6% | 0.107% | 0.00% |
| 16 | INSIGNEO ADVISORY SERVICES, LLC | 60K | $54K | 0.0% | 0.083% | 0.00% |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 44K | $39K | 0.0% | 0.060% | 0.00% |
| 18 | UBS Group AG | 30K | $27K | -14.2% | 0.041% | 0.00% |
| 19 | Engineers Gate Manager LP | 15K | $14K | β | 0.021% | 0.00% |
| 20 | Concurrent Investment Advisors, LLC | 14K | $13K | -72.7% | 0.020% | 0.00% |
| 21 | Pacifica Partners Inc. | 14K | $13K | 0.0% | 0.020% | 0.00% |
| 22 | Sanctuary Advisors, LLC | 11K | $10K | β | 0.015% | 0.00% |
| 23 | COMMONWEALTH EQUITY SERVICES, LLC | 11K | $10K | β | 0.015% | 0.00% |
| 24 | BNP PARIBAS ARBITRAGE, SA | 11K | $9K | +76.7% | 0.015% | 0.00% |
| 25 | Integrated Wealth Concepts LLC | 10K | $9K | 0.0% | 0.014% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in IFRX β a direct measure of their conviction.
Filings activity in IFRX during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new IFRX position in Q1 2026
Institutions that fully closed their IFRX position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 31 | 6.1% | 14.45% | 2.39 pp | $17M | 14% |
| Q4 2025 | 33 | +27% | 16.84% | 4.45 pp | $19M | 21% |
| Q3 2025 | 26 | 10% | 21.29% | +10.02 pp | $25M | +89% |
| Q2 2025 | 29 | 3.3% | 11.27% | 3.63 pp | $13M | 24% |
| Q1 2025 | 30 | +7.1% | 14.90% | 12.34 pp | $17M | 45% |
| Q4 2024 | 28 | +7.7% | 27.24% | +10.47 pp | $32M | +62% |
| Q3 2024 | 26 | 19% | 16.77% | 2.73 pp | $19M | 14% |
| Q2 2024 | 32 | β | 19.50% | β | $23M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying IFRX stock.
Based on Q1 2026 13F filings, institutional ownership of InflaRx N.V. stands at 14.4%, held across 31 reporting institutions.
SUVRETTA CAPITAL MANAGEMENT, LLC is the largest reported institutional holder of IFRX, with approximately 7,933,910 shares worth $0.01B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of IFRX, including TWO SIGMA INVESTMENTS, LP, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for IFRX is 39 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
5 institutions opened new positions in IFRX during Q1 2026, while 7 fully exited. 3 added to existing positions and 23 trimmed.
IFRX institutional ownership fell by 2.39 percentage points quarter-over-quarter, with a net change of -2 holders.
The top 10 institutions account for 95.7% of all reported 13F value in IFRX, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
InflaRx N.V. (IFRX) Institutional Ownership