T
IMRX icon

Tidemark’s Immuneering IMRX Stock Holding History

Tidemark’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 		$52.7K Sell
10,000
-10,000
-50% -$51.3K 0.01% 262
2025
Q4 		$132K Sell
20,000
-24,400
-55% -$157K 0.04% 153
2025
Q3 		$311K Hold
44,400
– – 0.09% 98
2025
Q2 		$150K Hold
44,400
– – 0.05% 147
2025
Q1 		$67.5K Hold
44,400
– – 0.02% 204
2024
Q4 		$97.7K Sell
44,400
-7,450
-14% -$15.4K 0.04% 176
2024
Q3 		$129K Buy
+51,850
New +$75.4K 0.05% 144

Other funds holding IMRX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
S
Sanofi Paris, France $534M AUM 205.96% 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
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

Tidemark's IMRX Position: Q1 2026 in Review

Tidemark reduced its Immuneering (IMRX) stake by 50% in Q1 2026, selling an estimated $51.3K and leaving 10,000 shares worth $52.7K. The position accounts for 0.01% of the portfolio, ranked #262.

Tidemark first reported a position in IMRX in Q3 2024 and has held it in 7 quarters since. The position peaked at $311K in Q3 2025. 95 funds tracked by Wall St. Rank hold IMRX as of Q1 2026.

  • Tidemark held 10,000 shares of Immuneering worth $52.7K as of Q1 2026.
  • Tidemark sold 10,000 Immuneering shares in Q1 2026, an estimated $51.3K.
  • Immuneering made up 0.01% of Tidemark's portfolio in Q1 2026, its #262 holding.
  • Tidemark first reported a position in Immuneering in Q3 2024 and has held it in 7 quarters since.
  • Tidemark's Immuneering position peaked at $311K in Q3 2025.
  • 95 funds tracked by Wall St. Rank held Immuneering as of Q1 2026.

Based on Tidemark's 13F filing for Q1 2026, filed 7 May 2026.