IMMUNEERING CORP - CLASS A (IMRX) Institutional Shareholders
IMMUNEERING CORP - CLASS A (IMRX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $158.92M in IMRX holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of IMRX tracked by InsiderSet, reporting ownership valued at approximately $48.43M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $49.11M, representing an estimated gain of +1.40% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 75% of the total disclosed IMRX value among the investors covered in this analysis. Major shareholders include Fmr Llc, Blackrock, Inc., Sanofi, and several other long-term asset managers with concentrated positions in IMMUNEERING CORP - CLASS A (IMRX).
This page ranks the largest institutional IMRX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
110
Total Reported Value
$158.92M
Largest Holder
Fmr Llc
Largest Position
$48.43M
Insider Transactions (90d)
2
Latest Filing Quarter
Q2 2026
New Institutional Positions
149
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.00% | 9,704,610 | $48,426,004 | $49,105,327 | +$679,323 | +1.40% | |
| Blackrock, Inc. | 0.00% | 4,374,020 | $21,826,360 | $22,132,541 | +$306,181 | +1.40% | |
| Sanofi | 2.53% | 2,708,559 | $13,515,709 | $13,705,309 | +$189,600 | +1.40% | |
| Vanguard Capital Management Llc | 0.00% | 2,286,434 | $11,409,306 | $11,569,356 | +$160,050 | +1.40% | |
| Geode Capital Management, Llc | 0.00% | 1,370,750 | $6,841,807 | $6,935,995 | +$94,188 | +1.38% | |
| State Street Corp | 0.00% | 1,001,995 | $4,999,955 | $5,070,095 | +$70,140 | +1.40% | |
| Dcf Advisers, Llc | 1.03% | 790,000 | $3,942,100 | $3,997,400 | +$55,300 | +1.40% | |
| Marshall Wace, Llp | 0.00% | 731,897 | $3,652,164 | $3,703,399 | +$51,235 | +1.40% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 601,255 | $3,000,262 | $3,042,350 | +$42,088 | +1.40% | |
| Alethea Capital Management, Llc | 0.98% | 472,935 | $2,359,946 | $2,393,051 | +$33,105 | +1.40% | |
| Summit Financial, Llc | 0.02% | 452,264 | $2,256,797 | $2,288,456 | +$31,659 | +1.40% | |
| Ubs Group Ag | 0.00% | 448,857 | $2,239,796 | $2,271,216 | +$31,420 | +1.40% | |
| Nuveen, Llc | 0.00% | 438,362 | $2,187,427 | $2,218,112 | +$30,685 | +1.40% | |
| Northern Trust Corp | 0.00% | 436,992 | $2,180,590 | $2,211,180 | +$30,590 | +1.40% | |
| Citadel Advisors Llc | 0.00% | 386,411 | $1,928,191 | $1,955,240 | +$27,049 | +1.40% | |
| Vanguard Fiduciary Trust Co | 0.00% | 360,764 | $1,800,212 | $1,825,466 | +$25,254 | +1.40% | |
| Vanguard Portfolio Management Llc | 0.00% | 359,085 | $1,791,834 | $1,816,970 | +$25,136 | +1.40% | |
| Millennium Management Llc | 0.00% | 330,402 | $1,648,706 | $1,671,834 | +$23,128 | +1.40% | |
| Burkehill Global Management, Lp | 0.05% | 300,000 | $1,497,000 | $1,518,000 | +$21,000 | +1.40% | |
| Two Sigma Investments, Lp | 0.00% | 288,420 | $1,439,216 | $1,459,405 | +$20,189 | +1.40% | |
| Morgan Stanley | 0.00% | 226,491 | $1,130,190 | $1,146,044 | +$15,854 | +1.40% | |
| Occam Crest Management Lp | 0.62% | 278,498 | $1,129,309 | $1,409,200 | +$279,891 | +24.78% | |
| D. E. Shaw & Co., Inc. | 0.00% | 203,663 | $1,016,278 | $1,030,535 | +$14,257 | +1.40% | |
| Charles Schwab Investment Management Inc | 0.00% | 167,901 | $837,826 | $849,579 | +$11,753 | +1.40% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 167,901 | $837,826 | $849,579 | +$11,753 | +1.40% | |
| Permanent Capital Management, Lp | 0.10% | 150,000 | $748,500 | $759,000 | +$10,500 | +1.40% | |
| Pvg Asset Management Corp | 0.42% | 146,451 | $730,790 | $741,042 | +$10,252 | +1.40% | |
| Hightower Advisors, Llc | 0.00% | 143,486 | $715,995 | $726,039 | +$10,044 | +1.40% | |
| Bank Of New York Mellon Corp | 0.00% | 132,004 | $658,699 | $667,940 | +$9,241 | +1.40% | |
| Kingsview Wealth Management, Llc | 0.01% | 122,200 | $643,994 | $618,332 | -$25,662 | -3.98% | |
| Bank Of America Corp | 0.00% | 115,845 | $578,066 | $586,176 | +$8,110 | +1.40% | |
| Bridgeway Capital Management, Llc | 0.01% | 108,149 | $539,664 | $547,234 | +$7,570 | +1.40% | |
| Envestnet Asset Management Inc | 0.00% | 105,809 | $527,987 | $535,394 | +$7,407 | +1.40% | |
| Goldman Sachs Group Inc | 0.00% | 96,220 | $480,138 | $486,873 | +$6,735 | +1.40% | |
| Fisher Asset Management, Llc | 0.00% | 88,333 | $440,781 | $446,965 | +$6,184 | +1.40% | |
| Corient Private Wealth Llc | 0.00% | 77,090 | $384,679 | $390,075 | +$5,396 | +1.40% | |
| Ameriprise Financial Inc | 0.00% | 71,454 | $356,555 | $361,557 | +$5,002 | +1.40% | |
| Susquehanna International Group, Llp | 0.00% | 69,053 | $344,574 | $349,408 | +$4,834 | +1.40% | |
| Rhumbline Advisers | 0.00% | 65,914 | $328,903 | $333,525 | +$4,622 | +1.41% | |
| Alps Advisors Inc | 0.00% | 65,658 | $327,633 | $332,229 | +$4,596 | +1.40% | |
| Td Asset Management Inc | 0.00% | 65,196 | $325,328 | $329,892 | +$4,564 | +1.40% | |
| Xtx Topco Ltd | 0.00% | 64,395 | $321,331 | $325,839 | +$4,508 | +1.40% | |
| Manufacturers Life Insurance Company, The | 0.00% | 62,141 | $310,084 | $314,433 | +$4,349 | +1.40% | |
| Clearstead Advisors, Llc | 0.00% | 60,865 | $303,716 | $307,977 | +$4,261 | +1.40% | |
| American Century Companies Inc | 0.00% | 59,558 | $297,194 | $301,363 | +$4,169 | +1.40% | |
| Squarepoint Ops Llc | 0.00% | 57,689 | $287,868 | $291,906 | +$4,038 | +1.40% | |
| Alliancebernstein L.P. | 0.00% | 52,730 | $277,887 | $266,814 | -$11,073 | -3.98% | |
| Brandywine Managers, Llc | 0.14% | 55,066 | $274,779 | $278,634 | +$3,855 | +1.40% | |
| Flower City Capital | 0.12% | 55,029 | $274,595 | $278,447 | +$3,852 | +1.40% | |
| Deutsche Bank Ag\ | 0.00% | 52,306 | $261,007 | $264,668 | +$3,661 | +1.40% |
Frequently asked questions about IMRX
Who owns the most IMRX stock?
The largest holders of IMRX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for IMMUNEERING CORP - CLASS A (IMRX).
Is IMRX widely held by superinvestors?
Many widely followed stocks like IMRX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly IMRX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.