Security Snapshot

Immunome Inc. - Common Stock (IMNM) Institutional Ownership

CUSIP: 45257U108

13F Institutional Holders and Ownership History from Q4 2020 to Q3 2026

13F reference period

Q3 2026

Institutions Reporting

103

Shares (Excl. Options)

31.45MFull value: 31,448,606 · shares · 30 Sep 2026

Price

$21.51

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-1,925,910
Value change
-$41,210,805
Number of holders
103
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
113,602,738
SEC-reported price per share
$19.10
Insider filing price
$19.10
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • IMNM - Immunome Inc. - Common Stock is tracked under CUSIP 45257U108.
  • 103 institutions reported positions in Q3 2026.
  • 9 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 202 to 103 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $2.5BFull value: $2,501,319,018 · USD · 30 Jun 2026
    to
    $676.66MFull value: $676,660,953 · USD · 30 Sep 2026
    .

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

Latest holder context comes from 103 institutions filings for Q3 2026.

Open SEC evidence

Security key

45257U108

13F reference period

Q3 2026

13F holders

103

13D/G owners

9

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
9
Security
IMNM
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
T. Rowe Price Investment Management, Inc. 17% +19% $472,441,961 +$79,542,057 19,676,883 +20% T. Rowe Price Investment Management, Inc. 30 Jun 2026
FMR LLC 15% +113% $152,894,064 +$80,670,694 13,056,709 +112% FMR LLC 30 Sep 2025
VANGUARD CAPITAL MANAGEMENT LLC 5% $123,157,183 5,725,578 Vanguard Capital Management 30 Sep 2026
Redmile Group, LLC 4.9% -6% $119,960,738 -$3,442,010 5,558,885 -2.8% Redmile Group, LLC 31 Mar 2026
Sirenia Capital Management LP 4.3% -30% $116,023,019 -$49,525,931 4,832,279 -30% Sirenia Capital Management LP 30 Jun 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 30 Sep 2026, 103 institutional investors reported holding
31.45MFull value: 31,448,606 · shares · 30 Sep 2026
shares of Immunome Inc. - Common Stock (IMNM). This represents 28% of the company’s total
113.6MFull value: 113,602,738 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
26%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD CAPITAL MANAGEMENT LLC 4.3% 4,882,131 +7.3% 0% $105,014,638
PRIMECAP MANAGEMENT CO/CA/ 4.1% 4,644,821 +1.4% 0.06% $99,910,100
STATE STREET CORP 4% 4,490,152 -18% 0% $96,583,170
GEODE CAPITAL MANAGEMENT, LLC 2.5% 2,815,501 +2.2% 0% $60,573,374
SILVERARC CAPITAL MANAGEMENT, LLC 1.8% 2,092,715 +3.8% 5.5% $45,014,300
MORGAN STANLEY 1.5% 1,688,971 -30% 0% $36,329,803
VANGUARD PORTFOLIO MANAGEMENT LLC 1.1% 1,295,714 -3.9% 0% $27,870,808
VANGUARD FIDUCIARY TRUST CO 0.7% 799,267 +5.7% 0% $17,192,233
Pivotal bioVenture Partners Investment Advisor LLC 0.64% 732,512 0% 6.3% $15,756,333
TD ASSET MANAGEMENT INC 0.62% 701,842 -2.4% 0.01% $15,363,321
NAN FUNG TRINITY (HK) LTD 0.55% 621,079 -13% 1.3% $13,359,409
BNP PARIBAS FINANCIAL MARKETS 0.5% 573,174 0.01% $12,328,973
MARSHALL WACE, LLP 0.46% 518,255 +3.5% 0.01% $11,147,666
Candriam S.C.A. 0.43% 489,853 -28% 0.05% $10,575,236
DIMENSIONAL FUND ADVISORS LP 0.39% 438,241 +19% 0% $9,428,601
FEDERATED HERMES, INC. 0.27% 305,699 +115% 0.01% $6,575,586
ALERUS FINANCIAL NA 0.26% 300,000 -22% 0.28% $6,453,000
Universal- Beteiligungs- und Servicegesellschaft mbH 0.25% 285,627 +23% 0.01% $6,143,836
KENNEDY CAPITAL MANAGEMENT LLC 0.25% 281,064 +1.4% 0.11% $6,045,687
Qube Research & Technologies Ltd 0.25% 279,624 -36% 0.01% $6,014,712
Invesco Ltd. 0.23% 258,085 +274% 0% $5,551,408
TEMA ETFS LLC 0.21% 235,688 -12% 0.19% $5,069,649
Tidal Investments LLC 0.21% 235,688 -12% 0.01% $5,069,649
Swiss National Bank 0.17% 194,600 +7.2% 0% $4,185,846
Verition Fund Management LLC 0.17% 190,099 0.03% $4,089,029

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
24
Headline period
Q3 2026
Rows shown
1-24 of 24
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 31,448,606 $676,660,953 -$41,210,805 $21.51 103
2026 Q2 118,047,208 $2,501,319,018 +$43,265,308 $21.19 202
2026 Q1 116,673,843 $2,544,317,709 -$44,791,172 $21.87 200
2025 Q4 118,329,008 $2,540,756,857 +$630,580,065 $21.48 184
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
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