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IMMX · Immix Biopharma, Inc. · Holdings

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$8.05 -0.01 (-0.12%) At close · Oct 27
Russell 2000 member Rebalance outlook locked
Going-concern doubt — flagged Aug 7, 2026

Substantial doubt about the company's ability to continue as a going concern.

“The Company is unable to entirely fund these efforts with its current financial resources. If adequate funds are unavailable on a timely basis from operations or additional sources of financing, the Company may have to delay, reduce the scope of or eliminate one or more of its research or development programs which may materially and adversely affect its business, financial condition and operations.”
View the 10-Q filed Aug 7, 2026
Market Cap
$576.61M
Shares
71.54M
Volume · Oct 27 1.15M Avg daily vol (3M) 1.54M

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.

Use institutional holdings through the 13F API or MCP → See every holder of IMMX: 13F, 13D and 13G, insiders and funds →
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 116
Total Value: $581,477,078
Total Shares: 56,398,398
Showing 1–100 of 120 holdings by value · page 1 of 2

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 109 13F filers
Top Holder
17.4%
Sep 2023 → Jun 2026 · range 16.0% – 37.6%
of institutional value
Top 5
43.2%
Sep 2023 → Jun 2026 · range 43.2% – 89.7%
of institutional value
Top 10
63.8%
Sep 2023 → Jun 2026 · range 63.8% – 96.8%
of institutional value
HHI
618
Sep 2023 → Jun 2026 · range 618 – 2,484
Broadly held

Who Holds IMMX

Last 8 quarters through Sep 30, 2026 (filing window open)

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026, the newest closed quarter: 109 filers, like-for-like change +107.6%; actively managed books +91.2%; index-like books +213.7%.

Holder type Share Filers Change
Registered adviser 47.3% 48 +67.1%
Exempt adviser 3.9% 3 +17.0%
Adviser 8.4% 5 +211.4%
Bank 11.1% 11 +934.6%
Broker-dealer 0.0% 2 +1200.5%
Benefit plan 0.0% 2 -57.5%
Non-US 0.4% 4 +388.7%
Holding company 8.7% 7 +469.5%
Unknown 20.2% 27 +81.7%

The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.

How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Excluded 1 holder with no observed 2026-03-31 13F and 1 holder with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.

Conviction and Crowding

109 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders
3
2.75% of filers hold it in their top 10
Mar 31, 2026: 2
Holders above 5%
2
median weight 0.001%
Mar 31, 2026: 1
Crowding
—
holders exceed shares outstanding: 13F filers report more shares than the cover-page count, which predates an issuance, is misstated, or misses shares lent and reported twice
Mar 31, 2026: 30.0%
Private-fund advisers
—
of shares outstanding
Institutional ownership
—
holders exceed shares outstanding: 13F filers report more shares than the cover-page count, which predates an issuance, is misstated, or misses shares lent and reported twice
Top 10 holders
64.0%
of 13F shares, Herfindahl 0.062
Active holders
+91.2%
like-for-like share change of active filers
5% stakes on record
3
0 13D, 3 13G (3 institutional, 0 passive, 0 exempt)
How long holders have held it value-weighted 4.2 quarters
Under 1 year 73.5% 1 to 3 years 18.6% 3 years or more 7.93% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net buyers of $2,365,556 (1 buying, 0 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost
$7.29
estimated per share
Mar 31, 2026: $4.80
Quarter-end price
$10.31
implied by 13F values
Estimated gain or loss
+41.4%
price against the estimated cost
Estimated at a loss
0.000%
of costed 13F value

Estimated cost covers 94.3% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies IMMX's active holders also own, quarter ended Jun 30, 2026
# Company Shared holders
1 IRON Disc Medicine, Inc. 7
2 CABA Cabaletta Bio, Inc. 4
3 EVMN Evommune, Inc. 4
4 TRVI Trevi Therapeutics, Inc. 7
5 PMN ProMIS Neurosciences Inc. 3
6 OVID Ovid Therapeutics Inc. 4
7 CNTX Context Therapeutics Inc. 3
8 MBX MBX Biosciences, Inc. 5
9 LRMR Larimar Therapeutics, Inc. 3
10 MLTX MoonLake Immunotherapeutics 4

Shareholder Targets

13F filers that own its peers but not IMMX, quarter ended Jun 30, 2026

Found through its holder-overlap peers: IRON, CABA, EVMN, TRVI, PMN, OVID, CNTX, MBX, LRMR, MLTX, RZLT, IDYA, MLYS, TNGX, ARTV, REPL, IRD, VSTM, RNTX, AMLX. 628 filers in all.

# Filer In peers
1 RA CAPITAL MANAGEMENT, L.P. Registered adviser, Concentrated $684,734,829 6 held
2 Frazier Life Sciences Management, L.P. Registered adviser, Concentrated $651,655,678 3 held
3 RTW INVESTMENTS, LP Registered adviser, Diversified active $585,717,199 7 held
4 TCG Crossover Management, LLC Unknown, Diversified active $531,527,205 5 held
5 DEERFIELD MANAGEMENT COMPANY, L.P. Registered adviser, Diversified active $495,609,115 5 held
6 NEA Management Company, LLC Registered adviser, Concentrated $446,114,179 2 held
7 Boxer Capital Management, LLC Registered adviser, Concentrated $415,374,315 5 held
8 BVF INC/IL Unknown, Concentrated $395,920,180 2 held
9 FARALLON CAPITAL MANAGEMENT LLC Registered adviser, Diversified active $383,779,020 1 held
10 ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser, Diversified active $382,440,923 7 held

Fund Ownership of IMMX by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 9.82% of shares outstanding.

Fund type Of shares outstanding Shares
Index funds 1.24% 885,524
Index ETFs 8.59% 6,142,752
Active ETFs 0.00% 64
Active funds 8.54% 6,110,923
Unclassified 0.01% 9,946
All registered funds 18.38% 13,149,209
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Holder type: Registered adviser 55 Exempt adviser 3 Adviser 5 Bank 11 Broker-dealer 2 Benefit plan 2 Non-US 4 Holding company 7 Unknown 27
Showing 100 of 120
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Jupiter Topco LLC $100,864,709 17.35% 9,783,192
Saturn V Capital Management LP $48,028,402 8.26% 4,658,429
EVENTIDE ASSET MANAGEMENT, LLC $40,116,405 6.90% 3,891,019
STATE STREET CORP $30,898,399 5.31% 2,996,935
BlackRock, Inc. $30,826,610 5.30% 2,989,972
Deep Track Capital, LP $28,610,250 4.92% 2,775,000
VANGUARD CAPITAL MANAGEMENT LLC $25,848,427 4.45% 2,507,122
Opaleye Management Inc. $24,176,950 4.16% 2,345,000
MILLENNIUM MANAGEMENT LLC $21,304,852 3.66% 2,066,426
UBS Group AG $20,020,132 3.44% 1,941,817
MARSHALL WACE, LLP $18,505,500 3.18% 1,794,908
PRICE T ROWE ASSOCIATES INC /MD/ $17,938,564 3.08% 1,739,919
WELLINGTON MANAGEMENT GROUP LLP $15,190,845 2.61% 1,473,409
GREAT POINT PARTNERS LLC $13,172,489 2.27% 1,277,642
GEODE CAPITAL MANAGEMENT, LLC $12,383,309 2.13% 1,201,097
Velan Capital Investment Management LP $11,186,350 1.92% 1,085,000
Logos Global Management LP $10,310,000 1.77% 1,000,000
Bleichroeder LP $10,310,000 1.77% 1,000,000
FRANKLIN RESOURCES INC $9,991,627 1.72% 969,120
Burkehill Global Management, LP $5,609,856 0.96% 544,118
AMERIPRISE FINANCIAL INC $5,349,662 0.92% 518,881
CITADEL ADVISORS LLC $5,218,478 0.90% 506,157
Blue Owl Capital Holdings LP $4,511,161 0.78% 437,552
NORTHERN TRUST CORP $4,310,105 0.74% 418,051
Balyasny Asset Management L.P. $4,301,610 0.74% 417,227
LGT Fund Management Co Ltd. $4,295,084 0.74% 416,594
BANK OF AMERICA CORP /DE/ $4,259,523 0.73% 413,145
VANGUARD FIDUCIARY TRUST CO $4,186,189 0.72% 406,032
Institute for Wealth Management, LLC. $3,480,161 0.60% 337,552
VANGUARD PORTFOLIO MANAGEMENT LLC $2,925,060 0.50% 283,711
SPHERA FUNDS MANAGEMENT LTD. $2,783,700 0.48% 270,000
SEVEN GRAND MANAGERS, LLC $2,629,050 0.45% 255,000
Bank of New York Mellon Corp $2,430,272 0.42% 235,720
KVP Capital Advisors, LP $2,375,661 0.41% 230,423
TD Asset Management Inc $2,207,267 0.38% 214,090
J. Goldman & Co LP $2,048,926 0.35% 198,732
GOLDMAN SACHS GROUP INC $1,795,042 0.31% 174,107
MORGAN STANLEY $1,644,174 0.28% 159,474
MANUFACTURERS LIFE INSURANCE COMPANY, THE $1,514,064 0.26% 146,854
Qube Research & Technologies Ltd $1,463,648 0.25% 141,964
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $1,312,009 0.23% 127,256
WELLS FARGO & COMPANY/MN $1,168,329 0.20% 113,320
Nuveen, LLC $1,061,713 0.18% 102,979
D. E. Shaw & Co., Inc. $959,922 0.17% 93,106
Informed Momentum Co LLC $957,025 0.16% 92,825
TOCQUEVILLE ASSET MANAGEMENT L.P. $912,950 0.16% 88,550
BRIDGEWAY CAPITAL MANAGEMENT, LLC $824,800 0.14% 80,000
UNITED CAPITAL FINANCIAL ADVISORS, LLC $728,731 0.13% 70,682
CITIGROUP INC $728,442 0.13% 70,654
Squarepoint Ops LLC $722,339 0.12% 70,062
SEI INVESTMENTS CO $694,357 0.12% 67,348
SUSQUEHANNA INTERNATIONAL GROUP, LLP $676,336 0.12% 65,600
Rafferty Asset Management, LLC $602,990 0.10% 58,486
BARCLAYS PLC $547,006 0.09% 53,056
RHUMBLINE ADVISERS $525,232 0.09% 50,944
DEUTSCHE BANK AG\ $421,276 0.07% 40,861
XTX Topco Ltd $417,503 0.07% 40,495
TWO SIGMA INVESTMENTS, LP $414,266 0.07% 40,181
ALLIANCEBERNSTEIN L.P. $405,079 0.07% 39,290
SUSQUEHANNA INTERNATIONAL GROUP, LLP $399,316 0.07% 38,731
Virtus Investment Advisers, LLC $399,213 0.07% 38,721
Quadrature Capital Ltd $388,037 0.07% 37,637
Private Advisor Group, LLC $364,200 0.06% 35,325
CERTUITY, LLC $360,850 0.06% 35,000
CITADEL ADVISORS LLC $325,796 0.06% 31,600
C2P Capital Advisory Group, LLC d.b.a. Prosperity Capital Advisors $313,325 0.05% 30,113
PROFUND ADVISORS LLC $302,134 0.05% 29,305
Imprint Wealth LLC $270,462 0.05% 26,233
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $264,234 0.05% 25,629
MetLife Investment Management, LLC $257,048 0.04% 24,932
Sowell Financial Services LLC $256,046 0.04% 24,608
TritonPoint Partners, LLC $252,863 0.04% 24,526
Concurrent Investment Advisors, LLC $250,011 0.04% 24,028
Virtu Financial LLC $245,862 0.04% 23,847
Invesco Ltd. $230,098 0.04% 22,318
Vanguard Global Advisers, LLC $227,799 0.04% 22,095
SUSQUEHANNA INTERNATIONAL GROUP, LLP $226,820 0.04% 22,000
Quent Capital, LLC $206,200 0.04% 20,000
GSA CAPITAL PARTNERS LLP $204,890 0.04% 19,873
JPMORGAN CHASE & CO $201,817 0.03% 19,575
Engineers Gate Manager LP $183,827 0.03% 17,830
DRW Securities, LLC $169,104 0.03% 16,402
NEW YORK STATE COMMON RETIREMENT FUND $148,464 0.03% 14,400
State of Wyoming $140,102 0.02% 13,589
Scientech Research LLC $139,432 0.02% 13,524
Kera Capital Partners, Inc. $134,030 0.02% 13,000
COMMONWEALTH EQUITY SERVICES, LLC $132,174 0.02% 12,820
Police & Firemen's Retirement System of New Jersey $124,905 0.02% 12,115
Magnetar Financial LLC $112,935 0.02% 10,954
Mathes Company, Inc. $109,801 0.02% 10,650
LPL Financial LLC $108,791 0.02% 10,552
SBI Securities Co., Ltd. $104,050 0.02% 10,000
Snowden Capital Advisors LLC $103,100 0.02% 10,000
STRS OHIO $83,511 0.01% 8,100
Allworth Financial LP $74,695 0.01% 7,245
BNP PARIBAS ARBITRAGE, SA $64,695 0.01% 6,275
COMPASS FINANCIAL MANAGEMENT LLC $61,860 0.01% 6,000
NISA INVESTMENT ADVISORS, LLC $52,025 0.01% 5,000
OSAIC HOLDINGS, INC. $41,240 0.01% 4,000
Legal & General Group Plc $41,085 0.01% 3,985

Showing the top 100 of 120 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.

Key facts CIK 1873835 CUSIP 45258H106 13F (30d) 12 filings 12 filers Visit website Investor relations