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Immuneering Corp

IMRX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001790340

No open-market purchases or sales by Immuneering Corp insiders were filed in the last 90 days; 111 institutions reported holding it in 13F filings for Q2 2026, worth $171.6M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Immuneering Corp as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
111
+15 vs. Q1 2026
Shares held
34.4M
+5.13M (+17.5%) vs. Q1 2026
Total value
$171.6M
+$17.3M (+11.2%) vs. Q1 2026
New holders
37
35 more added
Sold out
22
21 more reduced

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IMRX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 111 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 38 institutionsQ4 2021: 37 institutionsQ1 2022: 50 institutionsQ2 2022: 37 institutionsQ3 2022: 32 institutionsQ4 2022: 34 institutionsQ1 2023: 35 institutionsQ2 2023: 49 institutionsQ3 2023: 52 institutionsQ4 2023: 52 institutionsQ1 2024: 51 institutionsQ2 2024: 59 institutionsQ3 2024: 38 institutionsQ4 2024: 42 institutionsQ1 2025: 35 institutionsQ2 2025: 39 institutionsQ3 2025: 69 institutionsQ4 2025: 86 institutionsQ1 2026: 96 institutionsQ2 2026: 111 institutions
Value heldQ2 2026: $171.6M
Q1 2021: $0Q2 2021: $0Q3 2021: $316.4MQ4 2021: $211.1MQ1 2022: $88.1MQ2 2022: $65.7MQ3 2022: $172.5MQ4 2022: $56.9MQ1 2023: $118.8MQ2 2023: $175.9MQ3 2023: $130.1MQ4 2023: $119.1MQ1 2024: $34.6MQ2 2024: $12.3MQ3 2024: $10.9MQ4 2024: $9.32MQ1 2025: $6.84MQ2 2025: $13.0MQ3 2025: $183.3MQ4 2025: $208.9MQ1 2026: $154.3MQ2 2026: $171.6M
Institutions holding IMRX and their total value by quarter
QuarterHoldersValue
Q2 2026111$171.6M
Q1 202696$154.3M
Q4 202586$208.9M
Q3 202569$183.3M
Q2 202539$13.0M
Q1 202535$6.84M
Q4 202442$9.32M
Q3 202438$10.9M
Q2 202459$12.3M
Q1 202451$34.6M
Q4 202352$119.1M
Q3 202352$130.1M
Q2 202349$175.9M
Q1 202335$118.8M
Q4 202234$56.9M
Q3 202232$172.5M
Q2 202237$65.7M
Q1 202250$88.1M
Q4 202137$211.1M
Q3 202138$316.4M
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Immuneering Corp; share changes are against Q1 2026.

Institutions holding IMRX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC9,704,610$48.4M0.00%+6,672+0.1%Added
BlackRock, Inc.4,374,020$21.8M0.00%+2,866,762+190.2%Added
Sanofi2,708,559$13.5M2.53%00.0%Unchanged
Vanguard Capital Management LLC2,286,434$11.4M0.00%−1,907−0.1%Reduced
Price T Rowe Associates Inc1,936,076$9.66M0.00%+106,888+5.8%Added
Geode Capital Management, LLC1,370,750$6.84M0.00%+732,806+114.9%Added
State Street Corp1,001,995$5.00M0.00%+733,475+273.2%Added
DCF Advisers, LLC790,000$3.94M1.03%+648,538+458.5%Added
Marshall Wace, LLP731,897$3.65M0.00%−1,264,688−63.3%Reduced
Connor, Clark & Lunn Investment Management Ltd.601,255$3.00M0.01%+200,892+50.2%Added
Alethea Capital Management, LLC472,935$2.36M0.98%+450,000+1,962.1%Added
Summit Financial, LLC452,264$2.26M0.02%+75,515+20.0%Added
UBS Group AG448,857$2.24M0.00%+72,573+19.3%Added
Nuveen, LLC438,362$2.19M0.00%+438,362New
Northern Trust Corp436,992$2.18M0.00%+319,326+271.4%Added
Levin Capital Strategies, L.P.414,000$2.07M0.14%+404,000+4,040.0%Added
Citadel Advisors LLC386,411$1.93M0.00%−60,867−13.6%Reduced
Vanguard Fiduciary Trust Co360,764$1.80M0.00%+38,726+12.0%Added
Vanguard Portfolio Management LLC359,085$1.79M0.00%+359,085New
Gsa Capital Partners LLP343,303$1.71M0.11%+266,551+347.3%Added
Millennium Management LLC330,402$1.65M0.00%−772,310−70.0%Reduced
Burkehill Global Management, LP300,000$1.50M0.05%00.0%Unchanged
Two Sigma Investments, LP288,420$1.44M0.00%+43,649+17.8%Added
Morgan Stanley226,491$1.13M0.00%−69,576−23.5%Reduced
Occam Crest Management LP278,498$1.13M0.62%−266,600−48.9%Reduced
D. E. Shaw & Co., Inc.203,663$1.02M0.00%+203,663New
Charles Schwab Investment Management Inc167,901$837.8K0.00%+130,557+349.6%Added
Permanent Capital Management, LP150,000$748.5K0.10%+150,000New
PVG Asset Management Corp146,451$730.8K0.42%−210−0.1%Reduced
HighTower Advisors, LLC143,486$716.0K0.00%+12,200+9.3%Added
Bank of New York Mellon Corp132,004$658.7K0.00%+132,004New
Kingsview Wealth Management, LLC123,000$613.8K0.01%+800+0.7%Added
Bank of America Corp115,845$578.1K0.00%−35,002−23.2%Reduced
Bridgeway Capital Management, LLC108,149$539.7K0.01%−10,000−8.5%Reduced
Envestnet Asset Management Inc105,809$528.0K0.00%+83,946+384.0%Added
Goldman Sachs Group Inc96,220$480.1K0.00%−231,435−70.6%Reduced
Fisher Asset Management, LLC88,333$440.8K0.00%+88,333New
CI Private Wealth, LLC77,090$384.7K0.00%+77,090New
Ameriprise Financial Inc71,454$356.6K0.00%+71,454New
Susquehanna International Group, LLP69,053$344.6K0.00%−36,454−34.6%Reduced
Rhumbline Advisers65,914$328.9K0.00%+65,914New
Alps Advisors Inc65,658$327.6K0.00%+65,658New
TD Asset Management Inc65,196$325.3K0.00%−29,144−30.9%Reduced
XTX Topco Ltd64,395$321.3K0.00%+64,395New
Manufacturers Life Insurance Company, The62,141$310.1K0.00%−7,597−10.9%Reduced
Clearstead Advisors, LLC60,865$303.7K0.00%00.0%Unchanged
American Century Companies Inc59,558$297.2K0.00%+25,334+74.0%Added
Squarepoint Ops LLC57,689$287.9K0.00%−168,357−74.5%Reduced
Alliancebernstein L.P.52,730$277.9K0.00%+52,730New
Brandywine Managers, LLC55,066$274.8K0.14%+55,066New
Flower City Capital55,029$274.6K0.12%00.0%Unchanged
Deutsche Bank AG52,306$261.0K0.00%+52,306New
Wells Fargo & Company46,704$233.1K0.00%+29,904+178.0%Added
Wealth Effects LLC40,100$200.1K0.05%+40,100New
LPL Financial LLC37,030$184.8K0.00%+12,685+52.1%Added
Prosight Management, LP36,861$183.9K0.03%−86,548−70.1%Reduced
Oppenheimer & Co Inc35,000$174.7K0.00%+1,000+2.9%Added
MetLife Investment Management33,479$167.1K0.00%+33,479New
JPMorgan Chase & Co32,520$164.2K0.00%+26,101+406.6%Added
Invesco Ltd.31,176$155.6K0.00%+31,176New
Citigroup Inc26,313$131.3K0.00%−14,104−34.9%Reduced
Berman McAleer LLC25,000$124.8K0.01%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.24,585$122.7K0.00%+24,585New
CIBC Bancorp USA Inc.24,460$122.1K0.00%+960+4.1%Added
First Manhattan Co24,245$121.0K0.00%00.0%Unchanged
Vanguard Global Advisers, LLC24,243$121.0K0.00%00.0%Unchanged
Cerity Partners LLC24,175$120.6K0.00%+24,175New
Cetera Investment Advisers22,446$112.0K0.00%+9,797+77.5%Added
Great Valley Advisor Group, Inc.21,120$105.8K0.00%00.0%Unchanged
Barclays PLC20,358$101.6K0.00%−101,620−83.3%Reduced
FNY Investment Advisers, LLC20,000$99.0K0.04%00.0%Unchanged
Dimensional Fund Advisors LP19,562$97.6K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA19,420$96.9K0.00%+17,144+753.3%Added
Palumbo Wealth Management LLC19,083$95.2K0.02%+413+2.2%Added
Winton Group Ltd17,200$85.8K0.00%+17,200New
Nations Financial Group Inc,17,000$84.8K0.00%00.0%Unchanged
Kelsey Financial, LLC16,425$82.0K0.06%+1,326+8.8%Added
Future Financial Wealth Managment LLC18,000$79.0K0.05%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey15,814$78.9K0.00%+15,814New
Wendell David Associates Inc15,000$75.0K0.01%00.0%Unchanged
China Universal Asset Management Co., Ltd.12,797$63.9K0.00%+1,339+11.7%Added
Jump Financial, LLC12,700$63.4K0.00%+450+3.7%Added
Focus Financial Network, Inc.12,500$62.4K0.00%+12,500New
New York State Common Retirement Fund12,100$60.4K0.00%+12,100New
Quantbot Technologies LP11,650$58.1K0.00%+10,018+613.8%Added
Royal Bank of Canada11,057$56.0K0.00%+10,697+2,971.4%Added
Thayer Partners, LLC11,000$54.8K0.02%00.0%Unchanged
Intech Investment Management LLC10,764$53.7K0.00%+10,764New
Voya Investment Management LLC10,143$50.6K0.00%+10,143New
Ausdal Financial Partners, Inc.10,000$49.9K0.00%−1,000−9.1%Reduced
Moors & Cabot, Inc.10,000$49.9K0.00%00.0%Unchanged
Tidemark, LLC10,000$49.9K0.01%00.0%Unchanged
VestGen Advisors, LLC10,000$49.9K0.00%+10,000New
State of Wyoming5,796$28.9K0.00%+5,796New
Legal & General Group Plc5,203$26.0K0.00%+5,203New
Ameritas Investment Partners, Inc.4,866$24.3K0.00%+4,866New
Group One Trading, L.P.4,791$23.9K0.00%+1,762+58.2%Added
Russell Investments Group, Ltd.4,287$21.4K0.00%+4,287New
Mirae Asset Global Investments Co., Ltd.2,894$14.4K0.00%−474−14.1%Reduced
Tower Research Capital LLC (TRC)2,672$13.3K0.00%−2,386−47.2%Reduced