Vault-13

IMMIX BIOPHARMA INC IMMX

COM · Common Stock · CUSIP 45258H106

36 institutional holders +7 vs Q4 2023
5,207,1355.2m shares reported held*
19.7% of all shares outstanding*
$16.1mreported value*
14 new 13 added 4 reduced 7 sold out net bought ≈ $13.6m (+4.4m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 26.4m as of 2024-03-29, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.09. Options: 1 managers hold calls ($0 notional), 1 hold puts ($0).

Trends to Q1 2024

Institutional holders

Managers reporting a position, each quarter

02040Q3 22: 13Q4 22: 19Q1 23: 13Q2 23: 19Q3 23: 17Q4 23: 29Q1 24: 3636Q3 22Q1 23Q3 23Q1 24
Numbers
QuarterHolders
Q3 202213
Q4 202219
Q1 202313
Q2 202319
Q3 202317
Q4 202329
Q1 202436

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q4 22: 9 bought or addedQ4 22: 5 cut or sold outQ4 22Q1 23: 6 bought or addedQ1 23: 10 cut or sold outQ1 23Q2 23: 10 bought or addedQ2 23: 7 cut or sold outQ2 23Q3 23: 11 bought or addedQ3 23: 4 cut or sold outQ3 23Q4 23: 20 bought or addedQ4 23: 4 cut or sold outQ4 23Q1 24: 27 bought or addedQ1 24: 11 cut or sold outQ1 24
Numbers
QuarterBought or addedCut or sold out
Q4 202295
Q1 2023610
Q2 2023107
Q3 2023114
Q4 2023204
Q1 20242711

Biggest buyers

AIGH Capital Management LLC New +1,555,000+1.6m
Bleichroeder LP New +850,000+850.0k
Cable Car Capital, LP New +670,458+670.5k
Lynwood Capital Management Inc. New +405,000+405.0k
VANGUARD GROUP INC Added +295,788+295.8k
RENAISSANCE TECHNOLOGIES LLC Added +233,100+233.1k
MORGAN STANLEY Added +129,799+129.8k
CORSAIR CAPITAL MANAGEMENT, L.P. New +69,385+69.4k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +62,550+62.5k
MILLENNIUM MANAGEMENT LLC New +54,281+54.3k

Biggest sellers

Informed Momentum Co LLC Sold out -102,661-102.7k
Moss Adams Wealth Advisors LLC Sold out -20,000-20.0k
Jump Financial, LLC Sold out -18,500-18.5k
JANE STREET GROUP, LLC Sold out -14,922-14.9k
BANK OF MONTREAL /CAN/ Sold out -10,000-10.0k
Imprint Wealth LLC Reduced -8,269-8.3k
COMMONWEALTH EQUITY SERVICES, LLC Reduced -2,220-2.2k
BANK OF AMERICA CORP /DE/ Sold out -1,594-1.6k
Private Advisor Group, LLC Reduced -1,000-1.0k
OSAIC HOLDINGS, INC. Sold out -350-350

Biggest calls

Biggest puts

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Janus Henderson Group Ltd. 13G · institution +1.0 pts · filed 2026-08-13 14.0% +1.0 pts 9.8m≈ $100.9m 2026-08-13
Saturn V Capital Management LP 13G · institution new · filed 2026-02-17 7.0% new 3.7m≈ $38.1m 2026-02-17
EVENTIDE ASSET MANAGEMENT, LLC 13G · institution new · filed 2026-08-14 5.6% new 3.9m≈ $40.1m 2026-08-14
BlackRock, Inc. 13G · institution new · filed 2026-10-27 5.5% new 4.5m≈ $44.6m 2026-10-27

Fell to 5% or below in the last year: MILLENNIUM MANAGEMENT LLC (3.3%, 2026-05-04)

Insider purchases and sales in Q1 2024

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
505Q2 22: 0 buyingQ2 22: 0 sellingQ3 22: 0 buyingQ3 22: 0 sellingQ3 22Q4 22: 2 buyingQ4 22: 0 sellingQ1 23: 0 buyingQ1 23: 0 sellingQ1 23Q2 23: 0 buyingQ2 23: 0 sellingQ3 23: 5 buyingQ3 23: 0 sellingQ3 23Q4 23: 1 buyingQ4 23: 0 sellingQ1 24: 0 buyingQ1 24: 0 sellingQ1 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q2 20220—0——
Q3 20220—0——
Q4 20222$10.1k0——
Q1 20230—0——
Q2 20230—0——
Q3 20235$362.3k0——
Q4 20231$266.8k0——
Q1 20240—0——

None reported in Q1 2024.

Holders, Q1 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 AIGH Capital Management LLC 2.30% of their portfolio BALTIMORE, MD 1,555,0001.6m $4.8m $4.8m 2.30% New
2 Bleichroeder LP 0.65% of their portfolio NEW YORK, NY 850,000850.0k $2.6m $2.6m 0.65% New
3 Cable Car Capital, LP 2.88% of their portfolio SAN FRANCISCO, CA 670,458670.5k $2.1m $2.1m 2.88% New
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 456,186456.2k $1.4m $1.4m 0.00% Added +295.8k +295,788
5 Lynwood Capital Management Inc. 7.37% of their portfolio TORONTO, A6 405,000405.0k $1.2m $1.2m 7.37% New
6 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 265,500265.5k $815.0k $815.0k 0.00% Added +233.1k +233,100
7 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 162,135162.1k $497.8k $497.8k 0.00% Added +129.8k +129,799
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 124,770124.8k $383.1k $383.1k 0.00% Added +41.3k +41,343
9 Private Advisor Group, LLC 0.00% of their portfolio MORRISTOWN, NJ 98,77598.8k $303.2k $303.2k 0.00% Reduced -1.0k -1,000
10 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 76,90176.9k $236.1k $236.1k 0.00% Added +62.5k +62,550
11 CORSAIR CAPITAL MANAGEMENT, L.P. 0.06% of their portfolio NEW YORK, NY 69,38569.4k $213.0k $213.0k 0.06% New
12 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 54,28154.3k $166.6k $166.6k 0.00% New
13 XTX Topco Ltd 0.02% of their portfolio LONDON, X0 52,19752.2k $160.2k $160.2k 0.02% New
14 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 42,96043.0k $131.9k $131.9k 0.00% Unchanged
15 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 38,91438.9k $119.5k $119.5k 0.00% Added +14.5k +14,536
16 TOCQUEVILLE ASSET MANAGEMENT L.P. 0.00% of their portfolio New York, NY 37,80037.8k $116.0k $116.0k 0.00% Added +17.8k +17,800
17 Imprint Wealth LLC 0.02% of their portfolio MOUNT PLEASANT, SC 26,21426.2k $76.5k $76.5k 0.02% Reduced -8.3k -8,269
18 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 26,08026.1k $80.0k $80.0k 0.00% Reduced -2.2k -2,220
19 FNY Investment Advisers, LLC 0.05% of their portfolio NEW YORK, NY 25,50025.5k $78.0k $78.0k 0.05% New
20 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 24,52824.5k $75.3k $75.3k 0.00% Added +12.6k +12,613
21 TRITONPOINT WEALTH, LLC 0.02% of their portfolio CHEVY CHASE, MD 24,52624.5k $169.7k $169.7k 0.02% New
22 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 22,86222.9k $70.2k $70.2k 0.00% New
23 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 21,92621.9k $67.3k $67.3k 0.00% New
24 BlackRock Inc. 0.00% of their portfolio New York, NY 19,32119.3k $59.3k $59.3k 0.00% Added +1.6k +1,609
25 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 18,07818.1k $55.5k $55.5k 0.00% Added +16.7k +16,722
26 InterOcean Capital Group, LLC 0.00% of their portfolio NASHVILLE, TN 11,90011.9k $36.5k $36.5k 0.00% Unchanged
27 OLD NATIONAL BANCORP /IN/ 0.00% of their portfolio EVANSVILLE, IN 10,00010.0k $30.7k $30.7k 0.00% Unchanged
28 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 5,6965.7k $17.5k $17.5k 0.00% Added +5.1k +5,119
29 UBS Group AG 0.00% of their portfolio ZURICH, V8 5,2585.3k $16.1k $16.1k 0.00% Added +2.6k +2,630
30 Steward Partners Investment Advisory, LLC 0.00% of their portfolio STAMFORD, CT 1,4921.5k $4.6k $4.6k 0.00% New
31 Tortoise Investment Management, LLC 0.00% of their portfolio WHITE PLAINS, NY 1,3001.3k $4.0k $4.0k 0.00% Unchanged
32 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 1,2431.2k $3.8k $3.8k 0.00% New
33 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 509509 $1.0k $1.0k 0.00% New
34 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 434434 $1.3k $1.3k 0.00% Added +43 +43
35 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 66 $0 $0 0.00% Reduced -62 -62
36 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged