Immuneering Corp (IMRX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

39,381,250Shares Outstanding

3,955,892Shares held by institutions

$20,254,167Value of institutional holdings

75.98%Institutional ownership %

45.06%Shares Changed QoQ

83No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Immuneering Corp (NASDAQ:IMRX) includes 83 filers as of the latest reporting cycle ending December 2025.

These investors collectively held 76.0% of the company's total shares outstanding in December 2025, up from 66.1% in September 2025.
Quarterly data indicates a 45.06% shift in institutional share volume, and the annual owner count reflects an increase of 102.44%.
Of these 83 institutional investors, 57 increased their holdings in Immuneering, while 11 of them reduced positions, and 15 investors maintained their exposure.
The aggregate institutional position in Immuneering now stands at 29.92Mn shares as of December 2025, after investors increased their holdings (up by 9.30Mn shares quarter on quarter which is up 25.79Mn shares year over year).
The top institutional stake in Immuneering as of December 31, 2025 belongs to FMR LLC, which owns 9.69Mn shares, or 24.59% of the company.
Among the most significant buyers of Immuneering during December 2025 were Empery Asset Management, LP (2.67Mn), STATE STREET CORP (2.23Mn), FMR LLC (898.44K), BlackRock, Inc. (770.52K), MARSHALL WACE, LLP (440.57K).
Leading sellers of Immuneering stock in December 2025 included CITADEL ADVISORS LLC (852.68K), MILLENNIUM MANAGEMENT LLC (185.86K), TD ASSET MANAGEMENT INC (27.33K), Tidemark, LLC (24.40K), CIBC Private Wealth Group LLC (21.55K).
The top 10 institutional holders of Immuneering for the quarter ending December 2025 included FMR LLC (9.69Mn), Sanofi (2.71Mn), Empery Asset Management, LP (2.67Mn), VANGUARD GROUP INC (2.57Mn), STATE STREET CORP (2.40Mn), BlackRock, Inc. (1.45Mn), MARSHALL WACE, LLP (711.88K), Blue Owl Capital Holdings LP (665.00K), GEODE CAPITAL MANAGEMENT, LLC (618.07K), Occam Crest Management LP (498.50K).

83 Institutional Holders

3,955,892 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	9,685,495	898,443	10.22%	$63,730,557.00
Sanofi	31 Dec, 2025	2,708,559	0	0.00%	$17,822,318.00
Empery Asset Management, LP	31 Dec, 2025	2,674,950	2,674,950	0.00%	$17,601,171.00
VANGUARD GROUP INC	31 Dec, 2025	2,568,293	153,049	6.34%	$16,899,368.00
STATE STREET CORP	31 Dec, 2025	2,402,238	2,229,374	1,289.67%	$15,806,726.00
BlackRock, Inc.	31 Dec, 2025	1,451,706	770,521	113.11%	$9,552,225.00
MARSHALL WACE, LLP	31 Dec, 2025	711,875	440,571	162.39%	$4,684,136.00
Blue Owl Capital Holdings LP	31 Dec, 2025	665,000	115,000	20.91%	$4,375,700.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	618,074	104,409	20.33%	$4,068,348.00
Occam Crest Management LP	31 Dec, 2025	498,498	0	0.00%	$3,280,117.00
MORGAN STANLEY	31 Dec, 2025	489,617	194,760	66.05%	$3,221,679.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	318,809	318,809	0.00%	$2,097,763.00
Burkehill Global Management, LP	31 Dec, 2025	300,000	0	0.00%	$1,974,000.00
SOUTHPORT MANAGEMENT, L.L.C.	31 Dec, 2025	277,501	5,000	1.83%	$1,825,957.00
Diametric Capital, LP	31 Dec, 2025	246,857	-5,336	-2.12%	$1,624,319.00
BARCLAYS PLC	31 Dec, 2025	230,726	208,608	943.16%	$1,518,177.00
DCF Advisers, LLC	31 Dec, 2025	215,000	215,000	0.00%	$1,414,700.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	214,341	170,587	389.88%	$1,410,364.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	207,155	99,284	92.04%	$1,363,080.00
UBS Group AG	31 Dec, 2025	190,333	63,931	50.58%	$1,252,391.00

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