T. Rowe Price Associates
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T. Rowe Price Associates’s Immuneering IMRX Stock Holding History

T. Rowe Price Associates’s Portfolio IMRX Stock Details IMRX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$9.64M Sell
1,829,188
-164,770
-8% -$845K ﹤0.01% 1227
2025
Q4 		$13.1M Buy
1,993,958
+195,176
+11% +$1.25M ﹤0.01% 1174
2025
Q3 		$12.6M Buy
+1,798,782
New +$9.34M ﹤0.01% 1170
2025
Q2 		– Sell
-659,009
Closed -$1M – 3096
2025
Q1 		$1M Sell
659,009
-108,115
-14% -$196K ﹤0.01% 1959
2024
Q4 		$1.69M Sell
767,124
-43,003
-5% -$89.2K ﹤0.01% 1726
2024
Q3 		$2.02M Sell
810,127
-49,247
-6% -$71.6K ﹤0.01% 1634
2024
Q2 		$1.1M Sell
859,374
-50,892
-6% -$83.7K ﹤0.01% 1857
2024
Q1 		$2.63M Sell
910,266
-2,467,834
-73% -$13.8M ﹤0.01% 1446
2023
Q4 		$24.8M Sell
3,378,100
-155,222
-4% -$1.03M ﹤0.01% 902
2023
Q3 		$27.1M Sell
3,533,322
-47,423
-1% -$436K ﹤0.01% 845
2023
Q2 		$36.3M Buy
3,580,745
+122,377
+4% +$1.18M 0.01% 791
2023
Q1 		$33.6M Sell
3,458,368
-161,192
-4% -$915K 0.01% 788
2022
Q4 		$17.6M Sell
3,619,560
-43,932
-1% -$389K ﹤0.01% 944
2022
Q3 		$52.5M Sell
3,663,492
-479,337
-12% -$3.81M 0.01% 633
2022
Q2 		$22.4M Buy
4,142,829
+577,356
+16% +$3.08M ﹤0.01% 1137
2022
Q1 		$23.1M Buy
3,565,473
+376,968
+12% +$3.62M ﹤0.01% 1196
2021
Q4 		$50.7M Buy
3,188,505
+74,480
+2% +$1.81M ﹤0.01% 1002
2021
Q3 		$81.2M Buy
+3,114,025
New +$83.7M 0.01% 835

Other funds holding IMRX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
S
Sanofi Paris, France $336M AUM 126.85% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
OCM
Occam Crest Management Darien, Connecticut $165M AUM
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

T. Rowe Price Associates's IMRX Position: Q1 2026 in Review

T. Rowe Price Associates reduced its Immuneering (IMRX) stake by 8.3% in Q1 2026, selling an estimated $845K and leaving 1,829,188 shares worth $9.64M. The position accounts for ﹤0.01% of the portfolio, ranked #1227.

T. Rowe Price Associates first reported a position in IMRX in Q3 2021 and has held it in 18 quarters since. The position peaked at $81.2M in Q3 2021. 95 funds tracked by Wall St. Rank hold IMRX as of Q1 2026.

  • T. Rowe Price Associates held 1,829,188 shares of Immuneering worth $9.64M as of Q1 2026.
  • T. Rowe Price Associates sold 164,770 Immuneering shares in Q1 2026, an estimated $845K.
  • Immuneering made up ﹤0.01% of T. Rowe Price Associates's portfolio in Q1 2026, its #1227 holding.
  • T. Rowe Price Associates first reported a position in Immuneering in Q3 2021 and has held it in 18 quarters since.
  • T. Rowe Price Associates's Immuneering position peaked at $81.2M in Q3 2021.
  • 95 funds tracked by Wall St. Rank held Immuneering as of Q1 2026.

Based on T. Rowe Price Associates's 13F filing for Q1 2026, filed 15 May 2026.