Millennium Management
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Millennium Management’s Immuneering IMRX Stock Holding History

Millennium Management’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 		$5.81M Buy
1,102,712
+1,051,789
+2,065% +$5.39M ﹤0.01% 2775
2025
Q4 		$335K Sell
50,923
-185,858
-78% -$1.19M ﹤0.01% 5193
2025
Q3 		$1.66M Buy
236,781
+174,532
+280% +$906K ﹤0.01% 4218
2025
Q2 		$210K Buy
62,249
+39,184
+170% +$67.2K ﹤0.01% 5341
2025
Q1 		$35.1K Sell
23,065
-79,871
-78% -$145K ﹤0.01% 5578
2024
Q4 		$226K Sell
102,936
-143,334
-58% -$297K ﹤0.01% 5233
2024
Q3 		$613K Sell
246,270
-706,956
-74% -$1.03M ﹤0.01% 4668
2024
Q2 		$1.22M Buy
953,226
+889,964
+1,407% +$1.46M ﹤0.01% 3960
2024
Q1 		$183K Buy
63,262
+51,824
+453% +$290K ﹤0.01% 5405
2023
Q4 		$84.1K Buy
+11,438
New +$76.2K ﹤0.01% 5382
2023
Q2 		– Sell
-98,786
Closed -$959K – 6378
2023
Q1 		$959K Buy
98,786
+79,116
+402% +$449K ﹤0.01% 4132
2022
Q4 		$95K Buy
19,670
+9,406
+92% +$83.3K ﹤0.01% 5597
2022
Q3 		$147K Sell
10,264
-118,389
-92% -$940K ﹤0.01% 5816
2022
Q2 		$696K Buy
128,653
+99,984
+349% +$533K ﹤0.01% 4697
2022
Q1 		$185K Sell
28,669
-1,087
-4% -$10.4K ﹤0.01% 5855
2021
Q4 		$481K Sell
29,756
-60,032
-67% -$1.46M ﹤0.01% 5084
2021
Q3 		$2.38M Buy
+89,788
New +$2.41M ﹤0.01% 3709

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
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 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

Millennium Management's IMRX Position: Q1 2026 in Review

Millennium Management increased its Immuneering (IMRX) stake by 2,065% in Q1 2026, buying an estimated $5.39M and bringing the position to 1,102,712 shares worth $5.81M. The position accounts for ﹤0.01% of the portfolio, ranked #2775.

Millennium Management first reported a position in IMRX in Q3 2021 and has held it in 17 quarters since. 95 funds tracked by Wall St. Rank hold IMRX as of Q1 2026.

  • Millennium Management held 1,102,712 shares of Immuneering worth $5.81M as of Q1 2026.
  • Millennium Management bought 1,051,789 Immuneering shares in Q1 2026, an estimated $5.39M.
  • Immuneering made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #2775 holding.
  • Millennium Management first reported a position in Immuneering in Q3 2021 and has held it in 17 quarters since.
  • 95 funds tracked by Wall St. Rank held Immuneering as of Q1 2026.

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