IMRX · Insider trading · 13F holders · Congress trades
Immuneering Corp (IMRX)
Who is buying and selling IMRX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 7
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
IMRX at a glance
- No open-market insider purchases or sales of IMRX were filed in the last 90 days.
- 7 13F filers hold IMRX among their 50 largest positions, worth $21.7M combined. The biggest bets by portfolio weight are Sanofi (2.5%), DCF Advisers, LLC (1.0%) and Alethea Capital Management, LLC (1.0%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
- No member of Congress has disclosed a trade in IMRX.
IMRX insider trading
No open-market insider purchases or sales of IMRX were filed in the last 90 days.
Who owns IMRX? Hedge funds and superinvestors
7 13F filers hold IMRX among their 50 largest positions, worth $21.7M combined. The biggest bets by portfolio weight are Sanofi (2.5%), DCF Advisers, LLC (1.0%) and Alethea Capital Management, LLC (1.0%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| SanofiCorporation | 2.5% | $13.5M | 2,708,559 | +0.0% shares | Q2 2026 |
| DCF Advisers, LLCAsset manager | 1.0% | $3.9M | 790,000 | — | Q2 2026 |
| Alethea Capital Management, LLCWealth manager | 1.0% | $2.4M | 472,935 | +1962.1% shares | Q2 2026 |
| Occam Crest Management LPHedge fund | 0.6% | $1.1M | 278,498 | -48.9% shares | Q2 2026 |
| Brandywine Managers, LLCHedge fund | 0.1% | $275K | 55,066 | New | Q2 2026 |
| Flower City CapitalWealth manager | 0.1% | $246K | 60,029 | +9.1% shares | Q3 2026 |
| Prosight Management, LPHedge fund | 0.0% | $184K | 36,861 | -70.1% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 6). Screen IMRX in the grand portfolio →
IMRX stock trades by members of Congress
No member of Congress has disclosed a trade in IMRX.
IMRX questions and answers
Are insiders buying IMRX stock?
No open-market insider purchases or sales of IMRX were filed in the last 90 days.
Which hedge funds own IMRX?
7 13F filers hold IMRX among their 50 largest positions, worth $21.7M combined. The biggest bets by portfolio weight are Sanofi (2.5%), DCF Advisers, LLC (1.0%) and Alethea Capital Management, LLC (1.0%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
Has Congress traded IMRX?
No member of Congress has disclosed a trade in IMRX.
Who is the largest holder of IMRX?
Among 13F filers, Sanofi reports the largest IMRX position, $13.5M (2,708,559 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Sanofi's: 2.5% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.