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IMRX · Immuneering Corp

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$5.27 -0.07 (-1.22%)
Market Cap
$344.84M
Shares
64.70M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 112
Total Value: $175,599,888
Total Shares: 35,190,370

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 112 13F filers · Δ vs Mar 31, 2026
Top Holder
27.6%
Sep 2023 → Jun 2026 · range 19.6% – 33.7%
−5.1 pts
Top 5
59.7%
Sep 2023 → Jun 2026 · range 57.4% – 79.5%
−2.7 pts
Top 10
72.5%
Sep 2023 → Jun 2026 · range 72.5% – 92.1%
−4.5 pts
HHI
1,105
Sep 2023 → Jun 2026 · range 872 – 1,534
Broadly held−257

Quarterly Activity

vs Mar 31, 2026
New
37
Increased
37
Decreased
20
Sold Out
20
Unchanged
18
Holder count: +17
Institutional value: +12.3%
Shares held: +18.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 117
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1790340 CUSIP 45254E107 13F (30d) 108 filings 107 filers Visit website Investor relations