IMNM · Insider trading · 13F holders · Congress trades
Immunome Inc. (IMNM)
Who is buying and selling IMNM: 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
- 15
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $5.7M
- Congress trades, 12 months
- 0
IMNM at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 IMNM insiders filed 4 sales worth $5.7M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
- 15 13F filers hold IMNM among their 50 largest positions, worth $361.3M combined. The biggest bets by portfolio weight are Redmile Group, LLC (7.0%), Pivotal bioVenture Partners Investment Advisor LLC (5.0%) and Silverarc Capital Management, LLC (4.8%). In their latest 13Fs, 0 managers opened a new position and 3 added to one.
- No member of Congress has disclosed a trade in IMNM.
- IMNM last closed at $18.29 on Oct 29, 2026.
IMNM insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 IMNM insiders filed 4 sales worth $5.7M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Higgins Jack | Chief Scientific Officer | Sale10b5-1 | 13,200 | $25.32 | $334K | SEC |
| Aug 12, 2026 | Barchas Isaac | Director | Sale10b5-1 | 83,464 | $26.35 | $2.2M | SEC |
| Aug 10, 2026 | Barchas Isaac | Director | Sale10b5-1 | 36,088 | $26.06 | $940K | SEC |
| Aug 6, 2026 | Horn Kinney | CHIEF BUSINESS OFFICER | Sale10b5-1 | 90,616 | $25.09 | $2.3M | SEC |
Who owns IMNM? Hedge funds and superinvestors
15 13F filers hold IMNM among their 50 largest positions, worth $361.3M combined. The biggest bets by portfolio weight are Redmile Group, LLC (7.0%), Pivotal bioVenture Partners Investment Advisor LLC (5.0%) and Silverarc Capital Management, LLC (4.8%). In their latest 13Fs, 0 managers opened a new position and 3 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Redmile Group, LLCHedge fund | 7.0% | $104.1M | 4,911,590 | -11.6% shares | Q2 2026 |
| Enavate Sciences Gp, LLCInvestment manager | 22.2% | $76.6M | 3,613,799 | +0.0% shares | Q2 2026 |
| Silverarc Capital Management, LLCHedge fund | 4.8% | $42.7M | 2,017,009 | +9.0% shares | Q2 2026 |
| Sofinnova Investments, Inc.Hedge fund | 1.9% | $36.5M | 1,720,316 | +1.1% shares | Q2 2026 |
| Readystate Asset Management LPHedge fund | 2.2% | $34.0M | 1,605,820 | +23.3% shares | Q2 2026 |
| Pivotal bioVenture Partners Investment Advisor LLCVenture capital | 5.0% | $15.5M | 732,512 | +0.0% shares | Q2 2026 |
| Nan Fung Trinity (HK) LtdInvestment manager | 1.5% | $15.1M | 714,553 | +0.0% shares | Q2 2026 |
| Parkman Healthcare Partners LLCHedge fund | 1.3% | $12.6M | 594,202 | +47.3% shares | Q2 2026 |
| Alerus Financial NaBank & trust | 0.4% | $8.1M | 383,421 | — | Q2 2026 |
| Atom Investors LPHedge fund | 0.6% | $6.3M | 297,489 | -3.1% shares | Q2 2026 |
| Atika Capital Management LLCHedge fund | 0.6% | $5.6M | 262,900 | +0.0% shares | Q2 2026 |
| Sio Capital Management, LLCHedge fund | 0.5% | $2.6M | 124,168 | -24.8% shares | Q2 2026 |
| Birchview Capital, LPWealth manager | 0.5% | $1.1M | 50,000 | +0.0% shares | Q2 2026 |
| PSP Research LLCInstitutional asset manager | 0.2% | $258K | 12,000 | -33.3% shares | Q3 2026 |
| Velan Capital Investment Management LPHedge fund | 0.1% | $212K | 10,000 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 14). Screen IMNM in the grand portfolio →
IMNM stock trades by members of Congress
No member of Congress has disclosed a trade in IMNM.
IMNM questions and answers
Are insiders buying IMNM stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 IMNM insiders filed 4 sales worth $5.7M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own IMNM?
15 13F filers hold IMNM among their 50 largest positions, worth $361.3M combined. The biggest bets by portfolio weight are Redmile Group, LLC (7.0%), Pivotal bioVenture Partners Investment Advisor LLC (5.0%) and Silverarc Capital Management, LLC (4.8%). In their latest 13Fs, 0 managers opened a new position and 3 added to one.
Has Congress traded IMNM?
No member of Congress has disclosed a trade in IMNM.
Who is the largest holder of IMNM?
Among 13F filers, Redmile Group, LLC reports the largest IMNM position, $104.1M (4,911,590 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Redmile Group, LLC's: 7.0% of its portfolio.
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