IMRX — IMMUNEERING CORP
As of Q2 2026, 23 SEC-registered investment managers reported holding IMRX (IMMUNEERING CORP) in their latest 13F filings, with a combined reported value of $96.85M across 21.34M shares. That is +11.0% by share count (+2.11M shares) versus the previous quarter, while reported value moved +5.6%. Ownership is concentrated: the five largest holders account for 86.1% of reported value and the top ten for 95.0%.
Compared with the prior quarter, 6 opened new positions, 8 added to existing stakes, 8 trimmed, 3 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
IMRX is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Fidelity Management & Research (FMR) history | Q2 2026 | 9.70M | $48.43M | 0.00% | Hold |
| BlackRock Inc history | Q2 2026 | 4.37M | $21.83M | 0.00% | Add |
| Vanguard Group history | Q4 2025 | 2.57M | $16.90M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 1.37M | $6.84M | 0.00% | Add |
| Marshall Wace history | Q2 2026 | 731.90K | $3.65M | 0.00% | Reduce |
| Citadel Advisors history | Q2 2026 | 521.41K | $2.60M | 0.00% | Reduce |
| UBS Group AG history | Q2 2026 | 448.86K | $2.24M | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 436.99K | $2.18M | 0.00% | Add |
| Millennium Management history | Q2 2026 | 330.40K | $1.65M | 0.00% | Reduce |
| Two Sigma Investments history | Q2 2026 | 288.42K | $1.44M | 0.00% | Add |
| Morgan Stanley history | Q2 2026 | 226.49K | $1.13M | 0.00% | Reduce |
| D. E. Shaw & Co history | Q2 2026 | 203.66K | $1.02M | 0.00% | New |
| Charles Schwab Investment Management history | Q2 2026 | 167.90K | $837.83K | 0.00% | Add |
| Wellington Management Group history | Q1 2026 | 156.42K | $824.36K | 0.00% | New |
| BNY Mellon history | Q2 2026 | 132.00K | $658.70K | 0.00% | New |
| Bank of America Corp history | Q2 2026 | 115.84K | $578.07K | 0.00% | Reduce |
| Goldman Sachs Group history | Q2 2026 | 96.22K | $480.14K | 0.00% | Reduce |
| Renaissance Technologies history | Q1 2026 | 72.88K | $384.05K | 0.00% | Reduce |
| Manulife Financial history | Q2 2026 | 62.14K | $310.08K | 0.00% | Reduce |
| Deutsche Bank AG history | Q2 2026 | 52.31K | $261.01K | 0.00% | New |
New Positions (Q2 2026)
- D. E. Shaw & Co 203.66K sh · $1.02M
- BNY Mellon 132.00K sh · $658.70K
- Deutsche Bank AG 52.31K sh · $261.01K
- JPMorgan Chase & Co 32.52K sh · $164.23K
- Invesco Ltd 31.18K sh · $155.57K
- Legal & General Investment Management America 5.20K sh · $25.96K
Fully Exited (vs previous quarter)
- Wellington Management Group sold 156.42K sh · $824.36K
- Renaissance Technologies sold 72.88K sh · $384.05K
- PNC Financial Services sold 20.00K sh · $105.40K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fidelity Management & Research (FMR) | 250.00K | 81.70K | 213.52K | 223.15K | 223.01K | 153.06K | 402.52K | 658.44K | 612.17K | 489.45K | 233.20K | 6.74K | — | — | — | 221.00K | 8.79M | 9.69M | 9.70M | 9.70M |
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 318.42K | 318.76K | 316.53K | 422.76K | 681.18K | 1.45M | 1.51M | 4.37M |
| Geode Capital Management | 122.32K | 133.81K | 238.42K | 74.60K | 169.59K | 169.22K | 169.22K | 388.33K | 432.70K | 444.23K | 462.52K | 221.80K | 209.64K | 208.39K | 225.82K | 230.28K | 513.66K | 618.07K | 637.94K | 1.37M |
| Marshall Wace | 13.15K | — | — | — | 67.16K | — | — | — | — | — | — | 384.07K | — | 21.43K | 807.97K | 573.86K | 271.30K | 711.88K | 2.00M | 731.90K |
| Citadel Advisors | 2.06M | 2.06M | 2.16M | 2.20M | 2.18M | 2.14M | 2.10M | 2.07M | 2.07M | 2.08M | 1.88M | 1.88M | — | — | — | — | 943.14K | 158.76K | 529.08K | 521.41K |
| UBS Group AG | 1.12K | 1.62K | 3.26K | 1.40K | 105 | — | 2.71K | — | — | — | 28.95K | 7.05K | 31.55K | 52.49K | 28.55K | 5.07K | 126.40K | 190.33K | 376.28K | 448.86K |
| Northern Trust Corp | 72.61K | 75.89K | 143.56K | 15.68K | 34.66K | 34.66K | 37.30K | 173.22K | 185.46K | 183.93K | 176.00K | 158.92K | 39.73K | 39.73K | 39.73K | 39.73K | 92.04K | 109.06K | 117.67K | 436.99K |
| Millennium Management | 89.79K | 29.76K | 28.67K | 128.65K | 10.26K | 19.67K | 98.79K | — | — | 11.44K | 63.26K | 953.23K | 246.27K | 102.94K | 23.07K | 62.25K | 236.78K | 50.92K | 1.10M | 330.40K |
| Two Sigma Investments | — | — | 51.36K | 17.14K | — | — | — | — | — | — | — | 210.03K | 40.43K | 50.56K | 35.76K | 18.55K | 107.87K | 207.16K | 244.77K | 288.42K |
| Morgan Stanley | 6.71K | 10.64K | 18.42K | 18.29K | 11.75K | 45.42K | 27.65K | 25.68K | 21.28K | 56.15K | 45.62K | 46.05K | 449.31K | 454.10K | 467.23K | 201.09K | 294.86K | 489.62K | 296.07K | 226.49K |
| D. E. Shaw & Co | — | — | 70.13K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 203.66K |
| Charles Schwab Investment Management | 20.24K | 21.40K | 45.44K | — | — | — | — | 55.04K | 60.51K | 60.51K | 60.51K | — | — | — | 12.00K | 12.00K | 22.34K | 22.34K | 37.34K | 167.90K |
| BNY Mellon | 20.60K | 23.88K | 48.43K | — | — | — | — | 57.44K | 57.69K | 64.03K | 53.78K | — | — | — | — | — | — | — | — | 132.00K |
| Bank of America Corp | 542 | 7.73K | 29.30K | 891 | 38 | 531 | 2.39K | 4.71K | 11.82K | 24.40K | 13.00K | 32.12K | 31.39K | 31.05K | 28.85K | 28.49K | 43.75K | 214.34K | 150.85K | 115.84K |
| Goldman Sachs Group | — | 13.16K | 15.06K | 18.58K | 11.83K | 10.28K | 26.21K | 488.86K | 482.93K | 457.06K | 454.23K | 741.55K | — | — | — | — | — | 318.81K | 327.65K | 96.22K |
| Manulife Financial | — | — | 84.53K | 82.54K | 82.54K | 82.55K | 82.55K | 90.59K | 91.18K | 91.18K | 87.32K | 82.64K | 82.64K | 82.64K | 82.67K | — | 69.27K | 69.74K | 69.74K | 62.14K |
| Deutsche Bank AG | 4.75K | 5.02K | 10.44K | — | — | — | — | 1.05K | 11.84K | 11.84K | 11.38K | — | — | — | — | — | — | — | — | 52.31K |
| Wells Fargo & Co | 44 | 10.19K | 9.89K | 55 | 1.12K | 124 | 126 | 8.29K | 4.72K | 6.05K | 6.97K | — | — | — | — | 10.00K | 15.00K | 15.00K | 16.80K | 46.70K |
| JPMorgan Chase & Co | 3.17K | 5.45K | 11.97K | 1.13K | 1.14K | 960 | 1.03K | 16.78K | 20.36K | 16.07K | 9.29K | 1.97K | 2.42K | 1.97K | 1.97K | 1.97K | 1.50K | 6.76K | — | 32.52K |
| Invesco Ltd | — | — | — | — | — | — | — | 10.22K | 10.25K | — | — | — | — | — | — | — | — | — | — | 31.18K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details