SEC 13F Intelligence

Southport Management, L.L.C. / IMRX

Southport Management, L.L.C.’s Immuneering Corp Position

Does Southport Management, L.L.C. own Immuneering Corp (IMRX)? Yes — 277.5K shares worth $2M (+6.37% of its 13F portfolio) as of Q4 2025, up from 272.5K shares the prior filed quarter.

Position Value
$2M
Q4 2025
Shares
277.5K
% of Portfolio
+6.37%
Quarters Held
10
currently held

Position History IMRX

Reported value by quarter
Q3 ’23: $134,400Q3 ’23Q4 ’23: $184,485Q1 ’24: $260,389Q1 ’24Q2 ’24: $204,928Q3 ’24: $510,450Q3 ’24Q4 ’24: $473,000Q1 ’25: $372,400Q1 ’25Q2 ’25: $825,650Q3 ’25: $2MQ3 ’25Q4 ’25: $2Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q4 2025277.5K$2M+6.37%
Q3 2025272.5K$2M+7.87%
Q2 2025245.0K$825,650+4.03%
Q1 2025245.0K$372,400+1.61%
Q4 2024215.0K$473,000+1.71%
Q3 2024205.0K$510,450+1.90%
Q2 2024160.1K$204,928+0.92%
Q1 202490.1K$260,389+0.96%
Q4 202325.1K$184,485+0.80%
Q3 202317.5K$134,400+0.73%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Southport Management, L.L.C.’s full portfolio or all institutional holders of IMRX.