Latest Period
Q1 2026
Security Snapshot
Immunome Inc. - Common Stock, par value $0.0001 per share (IMNM) Institutional Ownership
CUSIP: 45257U108
13F Institutional Holders and Ownership History from Q4 2020 to Q1 2026
Institutions Reporting
197
Shares (Excl. Options)
116,653,135
Price
$21.87
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- IMNM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 116,653,135
- Total 13F value
- $2,543,864,825
- Portfolio coverage rank
- 0.01%
- Share change
- -2,277,372
- Value change
- -$45,242,832
- Number of holders
- 197
- Shares outstanding
- 113,446,633
- SEC-reported price per share
- $22.54
- Insider filing price
- $22.54
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IMNM - Immunome Inc. - Common Stock, par value $0.0001 per share is tracked under CUSIP 45257U108.
- 197 institutions reported positions in Q1 2026.
- 8 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 183 to 197 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,540,755,654 to $2,543,864,825.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 197 institutions filings for Q1 2026.
Security key
45257U108
Latest holder period
Q1 2026
13F holders
197
13D/G owners
8
CIK / CUSIP context first
Open Q1 2026 holders
IMNM full holder history
Immunome Inc. SEC filings
Immunome Inc. company facts
Immunome Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 45257U108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
8
Security
IMNM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 14% | +19% | $353,135,357 | +$123,423,292 | 16,364,011 | +54% | T. Rowe Price Investment Management, Inc. | 31 Mar 2026 |
| FMR LLC | 15% | +113% | $152,894,064 | +$80,670,694 | 13,056,709 | +112% | FMR LLC | 30 Sep 2025 |
| Sirenia Capital Management LP | 6.1% | $148,794,100 | 6,895,000 | Sirenia Capital Management LP | 31 Mar 2026 | |||
| Redmile Group, LLC | 4.9% | -6% | $119,960,738 | -$3,442,010 | 5,558,885 | -2.8% | Redmile Group, LLC | 31 Mar 2026 |
| Immunome Aggregator, LP | 6% | $40,628,327 | 4,768,583 | Immunome Aggregator, LP | 31 Jan 2025 | |||
| Enavate Sciences GP, LLC | 4.3% | $73,483,864 | 4,768,583 | Enavate Sciences GP, LLC | 18 Dec 2025 | |||
| EcoR1 Capital, LLC | 4.7% | $34,756,616 | 4,079,415 | EcoR1 Capital, LLC | 31 Mar 2025 | |||
| JANUS HENDERSON GROUP PLC | 2.2% | -55% | $16,313,738 | -$13,130,862 | 1,914,758 | -45% | JANUS HENDERSON GROUP PLC | 31 Mar 2025 |
As of 31 Mar 2026, 197 institutional investors reported holding 116,653,135 shares of Immunome Inc. - Common Stock, par value $0.0001 per share (IMNM). This represents 103% of the company’s total 113,446,633 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
88%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 15% | 16,969,954 | +2.5% | 0.02% | $371,132,894 |
| T. Rowe Price Investment Management, Inc. | 14% | 16,364,011 | +22% | 0.25% | $357,881,000 |
| BlackRock, Inc. | 7.2% | 8,168,674 | +7.6% | 0% | $178,648,901 |
| Redmile Group, LLC | 4.9% | 5,558,885 | -2.8% | 8.1% | $121,572,815 |
| STATE STREET CORP | 4.8% | 5,399,901 | +40% | 0% | $118,095,835 |
| PRIMECAP MANAGEMENT CO/CA/ | 4.2% | 4,788,231 | +2.2% | 0.08% | $104,718,612 |
| WELLINGTON MANAGEMENT GROUP LLP | 4.2% | 4,731,977 | +406% | 0.02% | $103,488,337 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9% | 4,429,697 | 0% | 0% | $96,877,473 |
| Driehaus Capital Management LLC | 3.6% | 4,099,901 | +11% | 0.66% | $89,664,835 |
| ENAVATE SCIENCES GP, LLC | 3.2% | 3,613,799 | -24% | 22% | $79,033,784 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.5% | 2,858,863 | -15% | 0.01% | $62,525,000 |
| MORGAN STANLEY | 2.5% | 2,841,589 | +66% | 0% | $62,145,575 |
| JPMORGAN CHASE & CO | 2.4% | 2,777,836 | -2.7% | 0% | $53,612,235 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 2,560,664 | +8.4% | 0% | $56,012,726 |
| SILVERARC CAPITAL MANAGEMENT, LLC | 1.6% | 1,850,278 | +64% | 4.8% | $40,465,580 |
| Sofinnova Investments, Inc. | 1.5% | 1,701,904 | +5.2% | 1.9% | $37,220,640 |
| Woodline Partners LP | 1.4% | 1,575,398 | 0% | 0.13% | $34,453,954 |
| MARSHALL WACE, LLP | 1.3% | 1,480,788 | +101% | 0.03% | $32,384,835 |
| PRINCIPAL FINANCIAL GROUP INC | 1.2% | 1,376,867 | -2% | 0.02% | $30,112,080 |
| READYSTATE ASSET MANAGEMENT LP | 1.1% | 1,301,862 | -29% | 1.7% | $28,471,722 |
| Jefferies Financial Group Inc. | 1% | 1,160,715 | -42% | 0.31% | $25,384,837 |
| GOLDMAN SACHS GROUP INC | 0.97% | 1,101,476 | +46% | 0% | $24,089,281 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.97% | 1,097,836 | +502% | 0.03% | $24,009,673 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.89% | 1,006,975 | 0% | 0% | $22,022,543 |
| NORTHERN TRUST CORP | 0.79% | 899,146 | +8.5% | 0% | $19,664,322 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
22
Latest
Q1 2026
Rows shown
1-22 of 22
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 116,653,135 | $2,543,864,825 | -$45,242,832 | $21.87 | 197 |
| 2025 Q4 | 118,328,952 | $2,540,755,654 | +$630,580,065 | $21.48 | 183 |
| 2025 Q3 | 91,384,562 | $1,070,118,014 | +$140,281,752 | $11.71 | 153 |
| 2025 Q2 | 79,431,966 | $738,692,421 | +$30,839,753 | $9.30 | 142 |
| 2025 Q1 | 76,944,016 | $518,447,649 | +$156,654,047 | $6.73 | 141 |
| 2024 Q4 | 53,313,664 | $566,321,086 | -$37,080,544 | $10.62 | 119 |
| 2024 Q3 | 51,629,246 | $754,701,793 | +$58,776,153 | $14.62 | 114 |
| 2024 Q2 | 47,779,242 | $578,110,445 | +$106,966,991 | $12.10 | 112 |
| 2024 Q1 | 36,616,859 | $903,617,775 | +$377,900,927 | $24.68 | 102 |
| 2023 Q4 | 21,490,560 | $229,948,765 | +$205,035,908 | $10.70 | 57 |
| 2023 Q3 | 2,729,076 | $22,706,803 | +$3,521,335 | $8.35 | 36 |
| 2023 Q2 | 1,949,082 | $15,421,801 | +$698,301 | $7.91 | 35 |
| 2023 Q1 | 1,860,095 | $9,343,739 | -$1,198,225 | $4.99 | 30 |
| 2022 Q4 | 2,100,648 | $4,845,087 | -$694,148 | $2.21 | 28 |
| 2022 Q3 | 2,300,040 | $10,208,297 | -$14,594 | $4.43 | 23 |
| 2022 Q2 | 2,313,613 | $7,426,000 | -$1,197,731 | $3.21 | 24 |
| 2022 Q1 | 2,694,238 | $15,433,000 | -$858,955 | $5.68 | 26 |
| 2021 Q4 | 2,790,928 | $36,364,000 | +$4,810,967 | $12.96 | 28 |
| 2021 Q3 | 2,391,433 | $58,321,000 | +$6,054,335 | $24.35 | 31 |
| 2021 Q2 | 2,376,109 | $41,107,000 | +$6,432,363 | $17.30 | 25 |
| 2021 Q1 | 1,909,240 | $64,673,000 | +$1,324,022 | $33.86 | 30 |
| 2020 Q4 | 2,013,500 | $19,489,000 | +$19,489,000 | $9.68 | 24 |