IMMIX BIOPHARMA INC (IMMX) Top Institutional Shareholders
IMMIX BIOPHARMA INC (IMMX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $242.12M in IMMX holdings during the latest filing period.
Janus Henderson Group Plc is currently the largest disclosed institutional shareholder of IMMX tracked by InsiderSet, reporting ownership valued at approximately $43.70M in its March 31, 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 $43.84M, representing an estimated gain of +0.33% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 76% of the total disclosed IMMX value among the investors covered in this analysis. Major shareholders include Janus Henderson Group Plc, Saturn V Capital Management Lp, Eventide Asset Management, Llc, and several other long-term asset managers with concentrated positions in IMMIX BIOPHARMA INC (IMMX).
This page ranks the largest institutional IMMX 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
76
Total Reported Value
$242.12M
Largest Holder
Janus Henderson Group Plc
Largest Position
$43.70M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
89
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Janus Henderson Group Plc | 0.02% | 4,802,002 | $43,698,218 | $43,842,278 | +$144,060 | +0.33% | |
| Saturn V Capital Management Lp | 6.09% | 3,693,585 | $33,648,559 | $33,722,431 | +$73,872 | +0.22% | |
| Eventide Asset Management, Llc | 0.38% | 2,549,019 | $23,221,563 | $23,272,543 | +$50,980 | +0.22% | |
| Vanguard Capital Management Llc | 0.00% | 1,787,994 | $16,288,625 | $16,324,385 | +$35,760 | +0.22% | |
| Millennium Management Llc | 0.01% | 1,750,200 | $15,944,322 | $15,979,326 | +$35,004 | +0.22% | |
| Marshall Wace, Llp | 0.02% | 1,641,552 | $14,954,538 | $14,987,370 | +$32,832 | +0.22% | |
| Logos Global Management Lp | 0.57% | 1,225,000 | $11,159,750 | $11,184,250 | +$24,500 | +0.22% | |
| Bleichroeder Lp | 1.57% | 1,000,000 | $9,110,000 | $9,130,000 | +$20,000 | +0.22% | |
| Franklin Resources Inc | 0.00% | 969,066 | $8,828,191 | $8,847,573 | +$19,382 | +0.22% | |
| Velan Capital Investment Management Lp | 4.22% | 740,000 | $6,741,400 | $6,756,200 | +$14,800 | +0.22% | |
| Blue Owl Capital Holdings Lp | 1.34% | 547,552 | $4,988,199 | $4,999,150 | +$10,951 | +0.22% | |
| Susquehanna International Group, Llp | 0.01% | 471,394 | $4,294,399 | $4,303,827 | +$9,428 | +0.22% | |
| Blackrock, Inc. | 0.00% | 468,377 | $4,266,915 | $4,276,282 | +$9,367 | +0.22% | |
| Geode Capital Management, Llc | 0.00% | 463,384 | $4,223,719 | $4,230,696 | +$6,977 | +0.17% | |
| Lgt Fund Management Co Ltd. | 0.16% | 416,594 | $3,795,171 | $3,803,503 | +$8,332 | +0.22% | |
| Great Point Partners Llc | 0.78% | 350,000 | $3,188,500 | $3,195,500 | +$7,000 | +0.22% | |
| Institute For Wealth Management, Llc. | 0.33% | 337,552 | $3,075,099 | $3,081,850 | +$6,751 | +0.22% | |
| Burkehill Global Management, Lp | 0.13% | 294,118 | $2,679,415 | $2,685,297 | +$5,882 | +0.22% | |
| Vanguard Fiduciary Trust Co | 0.00% | 252,914 | $2,304,047 | $2,309,105 | +$5,058 | +0.22% | |
| Kvp Capital Advisors, Lp | 1.57% | 230,423 | $2,099,154 | $2,103,762 | +$4,608 | +0.22% | |
| J. Goldman & Co Lp | 0.10% | 228,089 | $2,077,891 | $2,082,453 | +$4,562 | +0.22% | |
| State Street Corp | 0.00% | 191,910 | $1,748,300 | $1,752,138 | +$3,838 | +0.22% | |
| Qube Research & Technologies Ltd | 0.00% | 187,675 | $1,709,719 | $1,713,473 | +$3,754 | +0.22% | |
| Sei Investments Co | 0.00% | 147,140 | $1,340,445 | $1,343,388 | +$2,943 | +0.22% | |
| Morgan Stanley | 0.00% | 139,886 | $1,274,362 | $1,277,159 | +$2,797 | +0.22% | |
| Northern Trust Corp | 0.00% | 138,232 | $1,259,294 | $1,262,058 | +$2,764 | +0.22% | |
| Informed Momentum Co Llc | 0.13% | 120,856 | $1,100,998 | $1,103,415 | +$2,417 | +0.22% | |
| Goldman Sachs Group Inc | 0.00% | 95,404 | $869,130 | $871,039 | +$1,909 | +0.22% | |
| Tocqueville Asset Management L.P. | 0.01% | 89,550 | $815,801 | $817,592 | +$1,791 | +0.22% | |
| Bank Of New York Mellon Corp | 0.00% | 83,611 | $761,696 | $763,368 | +$1,672 | +0.22% | |
| Xtx Topco Ltd | 0.01% | 81,051 | $738,375 | $739,996 | +$1,621 | +0.22% | |
| Bridgeway Capital Management, Llc | 0.01% | 80,000 | $728,800 | $730,400 | +$1,600 | +0.22% | |
| Ubs Group Ag | 0.00% | 76,832 | $699,940 | $701,476 | +$1,536 | +0.22% | |
| United Capital Financial Advisors, Llc | 0.00% | 70,682 | $643,913 | $645,327 | +$1,414 | +0.22% | |
| Hudson Bay Capital Management Lp | 0.00% | 63,501 | $578,494 | $579,764 | +$1,270 | +0.22% | |
| Brevan Howard Capital Management Lp | 0.01% | 57,508 | $523,898 | $525,048 | +$1,150 | +0.22% | |
| Palumbo Wealth Management Llc | 0.12% | 55,232 | $503,164 | $504,268 | +$1,104 | +0.22% | |
| Td Asset Management Inc | 0.00% | 53,200 | $484,652 | $485,716 | +$1,064 | +0.22% | |
| Barclays Plc | 0.00% | 51,768 | $471,606 | $472,642 | +$1,036 | +0.22% | |
| Citadel Advisors Llc | 0.00% | 47,173 | $429,746 | $430,689 | +$943 | +0.22% | |
| Squarepoint Ops Llc | 0.00% | 44,490 | $405,304 | $406,194 | +$890 | +0.22% | |
| Bank Of America Corp | 0.00% | 41,131 | $374,703 | $375,526 | +$823 | +0.22% | |
| Jane Street Group, Llc | 0.00% | 35,164 | $320,344 | $321,047 | +$703 | +0.22% | |
| Certuity, Llc | 0.02% | 35,000 | $318,850 | $319,550 | +$700 | +0.22% | |
| Private Advisor Group, Llc | 0.00% | 34,725 | $316,346 | $317,039 | +$693 | +0.22% | |
| Imprint Wealth Llc | 1.30% | 31,248 | $284,669 | $285,294 | +$625 | +0.22% | |
| Manufacturers Life Insurance Company, The | 0.00% | 28,964 | $263,862 | $264,441 | +$579 | +0.22% | |
| Charles Schwab Investment Management Inc | 0.00% | 27,462 | $250,179 | $250,728 | +$549 | +0.22% | |
| Tritonpoint Partners, Llc | 0.08% | 24,526 | $223,432 | $223,922 | +$490 | +0.22% | |
| Concurrent Investment Advisors, Llc | 0.00% | 24,251 | $220,927 | $221,412 | +$485 | +0.22% |
Frequently asked questions about IMMX
Who owns the most IMMX stock?
The largest holders of IMMX 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 IMMIX BIOPHARMA INC (IMMX).
Is IMMX widely held by superinvestors?
Many widely followed stocks like IMMX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly IMMX 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.