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Jim Simons's Immuneering Corporation (IMRX) position

Yes: as of Q1 2026, Jim Simons holds 73K shares of IMRX worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was reduced by 52.2%. First disclosed Q1 2022.
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Current value
an amount we cannot price
Shares held
73K
% of portfolio
0.0%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

IMRX price vs Simons's position

Dates
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −79K −52.2% 73K May 14, 2026
Q4 2025 Added +117K +335.1% 152K Feb 12, 2026
Q3 2025 Added +17K +92.3% 35K Nov 13, 2025
Q2 2025 New +18K 18K Aug 13, 2025
Q2 2024 New +349K 349K Aug 9, 2024
Q2 2022 Reduced −32K −55.7% 26K Aug 12, 2022
Q1 2022 New +58K 58K May 13, 2022
Data through Q1 2026 · filed May 14, 2026
7 grouped rows from 7 quarters

More Simons positions

Common questions

Does Jim Simons own IMRX?

Yes. As of Q1 2026, Jim Simons disclosed 73K shares of IMRX, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy IMRX?

Jim Simons first disclosed a IMRX position in Q1 2022; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell IMRX?

The quarter-by-quarter table above shows each sale and reduction Jim Simons disclosed in IMRX. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of IMRX does Jim Simons own?

Jim Simons disclosed 73K shares of IMRX as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for IMRX?

Jim Simons began building the IMRX position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.