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IMMUNEERING-A (IMRX)
NASDAQ
$4.51-$0.04 (-0.99%)
Price as of Jun 03, 2026 7:58 PM EDT- $373.3MMarket Cap
- 132.14%1-Year Change
- BiotechnologyIndustry
IMMUNEERING-A (IMRX)
$4.51-$0.04 (-0.99%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FMR LLC | 26.71% | 9.7M | +12,443 (+0.13%) | Mar 31, 2026 |
SANOFI | 7.46% | 2.7M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 7.07% | 2.6M | +153,049 (+5.96%) | Dec 31, 2025 |
CORMORANT ASSET MANAGEMENT, LLC | 6.34% | 2.3M | +50,000 (+2.17%) | Dec 31, 2021 |
N/A | 6.30% | 2.3M | +2.3M (+100.00%) | Mar 31, 2026 |
MARSHALL WACE, LLP | 5.50% | 2.0M | +1.3M (+64.35%) | Mar 31, 2026 |
PRICE T ROWE ASSOCIATES INC /MD/ | 5.04% | 1.8M | -164,770 (-9.01%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FIDELITY MT VERNON STREET TRUST | 12.17% | 4.4M | +143,598 (+3.25%) | Feb 28, 2026 |
VANGUARD INDEX FUNDS | 6.16% | 2.2M | +66,329 (+2.96%) | Mar 31, 2026 |
SPDR SERIES TRUST | 5.97% | 2.2M | 0 (0.00%) | Jan 31, 2026 |
FIDELITY SELECT PORTFOLIOS | 3.56% | 1.3M | -156,800 (-12.15%) | Feb 28, 2026 |
T. Rowe Price New Horizons Fund, Inc. | 1.90% | 691,472 | -6,698 (-0.97%) | Mar 31, 2026 |
T. Rowe Price Health Sciences Fund, Inc. | 1.72% | 624,026 | -97,535 (-15.63%) | Mar 31, 2026 |
iSHARES TRUST | 1.44% | 523,149 | +43,534 (+8.32%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions253.5M (75.59%)
- Mutual Funds76.5M (22.81%)
- Insiders5.4M (1.60%)
- Other0 (0.00%)
Insider Transactions
- 1.60% (5.4M)Current InsiderOwnership (%, shares)
- 7Number of InsiderBuying (last 12 months)
- $21.7MAmount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Neufeld Leah R CHIEF PEOPLE OFFICER | Award | Mar 13, 2026 | $15,573.19 | 3,628 | $4.29 | 29,598 |
Morales Mallory SVP Finance, CAO | Award | Feb 03, 2026 | $0.00 | 140,000 | $0.00 | 140,000 |
Hall Brett Matthew CHIEF SCIENTIFIC OFFICER | Award | Feb 03, 2026 | $0.00 | 344,000 | $0.00 | 344,000 |
Bookman Michael CHIEF LEGAL OFFICER, SECRETARY | Award | Feb 03, 2026 | $0.00 | 176,000 | $0.00 | 176,000 |
Brakewood Harold Eugene Chief Business Officer | Buy | Jan 16, 2026 | $24,990.00 | 5,250 | $4.76 | 11,050 |
Schall Thomas J. | Buy | Jan 15, 2026 | $101,041.02 | 21,645 | $4.67 | 74,530 |
Hall Brett Matthew CHIEF SCIENTIFIC OFFICER | Buy | Jan 15, 2026 | $10,501.86 | 2,298 | $4.57 | 376,496 |
Feinberg Peter | Buy | Jan 12, 2026 | $86,904.00 | 20,000 | $4.35 | 135,441 |
KEATING LAURIE | Award | Jan 01, 2026 | $0.00 | 7,888 | $0.00 | 7,888 |
Feinberg Peter | Award | Jan 01, 2026 | $0.00 | 7,888 | $0.00 | 7,888 |
Bookman Michael CHIEF LEGAL OFFICER, SECRETARY | Buy | Oct 01, 2025 | $6,966.50 | 1,020 | $6.83 | 4,870 |
Feinberg Peter | Buy | Sep 29, 2025 | $35,900.00 | 5,000 | $7.18 | 141,766 |
Morales Mallory Chief Accounting Officer | Award | Sep 15, 2025 | $20,701.72 | 14,497 | $1.43 | 27,233 |
Hall Brett Matthew CHIEF SCIENTIFIC OFFICER | Award | Sep 15, 2025 | $21,248.64 | 14,880 | $1.43 | 374,198 |
Neufeld Leah R CHIEF PEOPLE OFFICER | Award | Sep 15, 2025 | $16,871.82 | 11,815 | $1.43 | 22,544 |
HAUSMAN DIANA | Buy | Jul 02, 2025 | $8,989.00 | 2,500 | $3.60 | 2,500 |
Zeskind Benjamin J. PRESIDENT AND CEO | Buy | Jul 02, 2025 | $24,792.41 | 7,015 | $3.53 | 2.3M |
HAUSMAN DIANA | Buy | Jul 02, 2025 | $10,873.50 | 3,000 | $3.62 | 3,000 |
Zeskind Benjamin J. PRESIDENT AND CEO | Buy | Jul 01, 2025 | $10,086.91 | 2,985 | $3.38 | 2.3M |
Schall Thomas J. | Buy | Jun 27, 2025 | $34,788.05 | 9,500 | $3.66 | 52,885 |
Hall Brett Matthew CHIEF SCIENTIFIC OFFICER | Buy | Jun 23, 2025 | $14,596.41 | 6,007 | $2.43 | 359,318 |
Hall Brett Matthew CHIEF SCIENTIFIC OFFICER | Buy | Jun 20, 2025 | $20,019.76 | 7,415 | $2.70 | 353,311 |
Feinberg Peter | Buy | Jun 18, 2025 | $63,187.50 | 25,000 | $2.53 | 136,766 |
Schall Thomas J. | Buy | Jun 17, 2025 | $89,277.52 | 40,485 | $2.21 | 43,385 |
Schall Thomas J. | Award | Jun 13, 2025 | $0.00 | 33,350 | $0.00 | 33,350 |
Matushansky Igor Chief Medical Officer | Award | Mar 21, 2025 | $0.00 | 118,000 | $0.00 | 118,000 |
Morales Mallory Chief Accounting Officer | Award | Feb 05, 2025 | $0.00 | 110,000 | $0.00 | 110,000 |
Brakewood Harold Eugene Chief Business Officer | Award | Feb 05, 2025 | $0.00 | 100,000 | $0.00 | 100,000 |
Neufeld Leah R CHIEF PEOPLE OFFICER | Award | Feb 05, 2025 | $0.00 | 110,000 | $0.00 | 110,000 |
Bookman Michael CHIEF LEGAL OFFICER, SECRETARY | Award | Feb 05, 2025 | $0.00 | 110,000 | $0.00 | 110,000 |