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Southport Management’s Immuneering IMRX Stock Holding History

Southport 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
2025
Q4 		$1.83M Buy
277,501
+5,000
+2% +$32.1K 6.37% 4
2025
Q3 		$1.91M Buy
272,501
+27,501
+11% +$143K 7.87% 3
2025
Q2 		$826K Hold
245,000
– – 4.03% 10
2025
Q1 		$372K Buy
245,000
+30,000
+14% +$54.5K 1.61% 22
2024
Q4 		$473K Buy
215,000
+10,000
+5% +$20.7K 1.71% 24
2024
Q3 		$510K Buy
205,000
+44,900
+28% +$65.3K 1.9% 24
2024
Q2 		$205K Buy
160,100
+70,000
+78% +$115K 0.92% 25
2024
Q1 		$260K Buy
90,100
+65,000
+259% +$364K 0.96% 31
2023
Q4 		$184K Buy
25,100
+7,600
+43% +$50.6K 0.8% 31
2023
Q3 		$134K Buy
+17,500
New +$161K 0.73% 25

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
EAM
Empery Asset Management New York $83M AUM
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
BOCH
Blue Owl Capital Holdings New York $372M AUM 78.25% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Southport Management's IMRX Position: Q4 2025 in Review

Southport Management increased its Immuneering (IMRX) stake by 1.8% in Q4 2025, buying an estimated $32.1K and bringing the position to 277,501 shares worth $1.83M. The position accounts for 6.37% of the portfolio, ranked #4.

Southport Management first reported a position in IMRX in Q3 2023 and has held it in 10 quarters since. The position peaked at $1.91M in Q3 2025. 86 funds tracked by Wall St. Rank hold IMRX as of Q4 2025.

  • Southport Management held 277,501 shares of Immuneering worth $1.83M as of Q4 2025.
  • Southport Management bought 5,000 Immuneering shares in Q4 2025, an estimated $32.1K.
  • Immuneering made up 6.37% of Southport Management's portfolio in Q4 2025, its #4 holding.
  • Southport Management first reported a position in Immuneering in Q3 2023 and has held it in 10 quarters since.
  • Southport Management's Immuneering position peaked at $1.91M in Q3 2025.
  • 86 funds tracked by Wall St. Rank held Immuneering as of Q4 2025.

Based on Southport Management's 13F filing for Q4 2025, filed 13 Feb 2026.