Granahan Investment Management’s Immunome IMNM Stock Holding History

Granahan Investment Management’s Portfolio IMNM Stock Details IMNM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$6.71M	Sell	307,021 -128,102	-29%	-$2.85M	0.32%	75
2025 Q4	$9.35M	Buy	435,123 +8,904	+2%	+$156K	0.4%	66
2025 Q3	$4.99M	Buy	426,219 +33,468	+9%	+$333K	0.2%	98
2025 Q2	$3.65M	Sell	392,751 -26,520	-6%	-$217K	0.15%	115
2025 Q1	$2.82M	Buy	419,271 +105,032	+33%	+$1.01M	0.14%	122
2024 Q4	$3.34M	Buy	+314,239	New	+$3.8M	0.14%	132

Other funds holding IMNM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Enavate Sciences Menlo Park, California $352M AUM 220.14% 1-Year Est. Return

Granahan Investment Management's IMNM Position: Q1 2026 in Review

Granahan Investment Management reduced its Immunome (IMNM) stake by 29% in Q1 2026, selling an estimated $2.85M and leaving 307,021 shares worth $6.71M. The position accounts for 0.32% of the portfolio, ranked #75.

Granahan Investment Management first reported a position in IMNM in Q4 2024 and has held it in 6 quarters since. The position peaked at $9.35M in Q4 2025. 200 funds tracked by Wall St. Rank hold IMNM as of Q1 2026.

Granahan Investment Management held 307,021 shares of Immunome worth $6.71M as of Q1 2026.
Granahan Investment Management sold 128,102 Immunome shares in Q1 2026, an estimated $2.85M.
Immunome made up 0.32% of Granahan Investment Management's portfolio in Q1 2026, its #75 holding.
Granahan Investment Management first reported a position in Immunome in Q4 2024 and has held it in 6 quarters since.
Granahan Investment Management's Immunome position peaked at $9.35M in Q4 2025.
200 funds tracked by Wall St. Rank held Immunome as of Q1 2026.

Based on Granahan Investment Management's 13F filing for Q1 2026, filed 15 May 2026.