Saturn V Capital Management LP and Xiaoying Tian report beneficial ownership of 3,693,585 shares of Immix Biopharma common stock, representing 6.97% of the company’s shares. The shares are held in pooled investment vehicles and managed accounts advised by Saturn V, and no single client owns at least five percent of the company. Both Saturn V and Ms. Tian have shared power to vote and dispose of these shares but each disclaims beneficial ownership. The reported percentage is based on 52,955,130 shares outstanding as of January 8, 2026, as disclosed in an Immix Biopharma Form S-3.
Positive
None.
Negative
None.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Immix Biopharma, Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
45258H106
(CUSIP Number)
12/26/2025
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
SCHEDULE 13G
CUSIP No.
45258H106
1
Names of Reporting Persons
Saturn V Capital Management LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
3,693,585.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
3,693,585.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
3,693,585.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.97 %
12
Type of Reporting Person (See Instructions)
IA
Comment for Type of Reporting Person: * Saturn V Capital Management LP acts as the investment manager of certain pooled investment vehicles and managed accounts (collectively the "Clients") in which such shares referred to above are held. As a result, Saturn V Capital Management LP possesses the power to vote and dispose or direct the disposition of all the shares beneficially owned by the Clients. No Client holds or beneficially owns five percent or more of the outstanding shares of the Issuer. Saturn V Capital Management LP disclaims beneficial ownership of any of the shares held by the Clients.
+ Based on 52,955,130 shares outstanding of the Issuer as of January 8, 2026, as set forth in the Issuer's Form S-3, filed January 9, 2026.
SCHEDULE 13G
CUSIP No.
45258H106
1
Names of Reporting Persons
Xiaoying Tian
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
3,693,585.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
3,693,585.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
3,693,585.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.97 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: * Ms. Tian is the Managing Member of SVCM GP LLC, the general partner of Saturn V Capital Management LP, the Investment Manager of the Clients. As a result, Ms. Tian possesses the power to vote and dispose or direct the disposition of all the shares beneficially owned by the Clients. Ms. Tian disclaims beneficial ownership of any of the shares held by the Clients.
+ Based on 52,955,130 shares outstanding of the Issuer as of January 8, 2026, as set forth in the Issuer's Form S-3, filed January 9, 2026.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Immix Biopharma, Inc.
(b)
Address of issuer's principal executive offices:
11400 West Olympic Blvd., Suite 200, Los Angeles, CA 90064
Item 2.
(a)
Name of person filing:
Saturn V Capital Management LP, Xiaoying Tian
(b)
Address or principal business office or, if none, residence:
919 Congress Avenue, Suite 830, Austin, TX 78701
(c)
Citizenship:
Saturn V Capital Management LP is a Delaware Limited Partnership. Xiaoying Tian is a citizen of the United States.
(d)
Title of class of securities:
Common Stock
(e)
CUSIP No.:
45258H106
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
Aggregate of all Reporting Persons: 3,693,585
Saturn V Capital Management LP - 3,693,585*
Xiaoying Tian - 3,693,585**
* Saturn acts as the investment manager for the Clients who hold the Shares described herein and referred to above. As a result, Saturn possesses the power to vote and dispose or direct the disposition of all the Shares beneficially owned by the Clients. No Client holds or beneficially owns five percent or more of the outstanding Shares of the Issuer. Saturn disclaims beneficial ownership of any of the Shares held by the Clients.
** Ms. Tian is the Managing Member of SVCM GP LLC, the general partner of Saturn, the Investment Manager of the Clients. As a result, Ms. Tian possesses the power to vote and dispose or direct the disposition of all the Shares beneficially owned by the Clients. Ms. Tian disclaims beneficial ownership of any of the Shares held by the Clients.
(b)
Percent of class:
Aggregate of all Reporting Persons: 6.97%+
Saturn V Capital Management LP - 6.97%+*
Xiaoying Tian - 6.97%+**
* Saturn acts as the investment manager for the Clients who hold the Shares described herein and referred to above. As a result, Saturn possesses the power to vote and dispose or direct the disposition of all the Shares beneficially owned by the Clients. No Client holds or beneficially owns five percent or more of the outstanding Shares of the Issuer. Saturn disclaims beneficial ownership of any of the Shares held by the Clients.
** Ms. Tian is the Managing Member of SVCM GP LLC, the general partner of Saturn, the Investment Manager of the Clients. As a result, Ms. Tian possesses the power to vote and dispose or direct the disposition of all the Shares beneficially owned by the Clients. Ms. Tian disclaims beneficial ownership of any of the Shares held by the Clients.
+ Based on 52,955,130 shares outstanding of the Issuer as of January 8, 2026, as set forth in the Issuer's Form S-3, filed January 9, 2026.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Saturn V Capital Management LP - 0
Xiaoying Tian - 0
(ii) Shared power to vote or to direct the vote:
Saturn V Capital Management LP - 3,693,585*
Xiaoying Tian - 3,693,585**
* Saturn acts as the investment manager for the Clients who hold the Shares described herein and referred to above. As a result, Saturn possesses the power to vote and dispose or direct the disposition of all the Shares beneficially owned by the Clients. No Client holds or beneficially owns five percent or more of the outstanding Shares of the Issuer. Saturn disclaims beneficial ownership of any of the Shares held by the Clients.
** Ms. Tian is the Managing Member of SVCM GP LLC, the general partner of Saturn, the Investment Manager of the Clients. As a result, Ms. Tian possesses the power to vote and dispose or direct the disposition of all the Shares beneficially owned by the Clients. Ms. Tian disclaims beneficial ownership of any of the Shares held by the Clients.
(iii) Sole power to dispose or to direct the disposition of:
Saturn V Capital Management LP - 0
Xiaoying Tian - 0
(iv) Shared power to dispose or to direct the disposition of:
Saturn V Capital Management LP - 3,693,585*
Xiaoying Tian - 3,693,585**
* Saturn acts as the investment manager for the Clients who hold the Shares described herein and referred to above. As a result, Saturn possesses the power to vote and dispose or direct the disposition of all the Shares beneficially owned by the Clients. No Client holds or beneficially owns five percent or more of the outstanding Shares of the Issuer. Saturn disclaims beneficial ownership of any of the Shares held by the Clients.
** Ms. Tian is the Managing Member of SVCM GP LLC, the general partner of Saturn, the Investment Manager of the Clients. As a result, Ms. Tian possesses the power to vote and dispose or direct the disposition of all the Shares beneficially owned by the Clients. Ms. Tian disclaims beneficial ownership of any of the Shares held by the Clients.
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Saturn V Capital Management LP
Signature:
Xiaoying Tian
Name/Title:
Xiaoying Tian, Managing Member of SVCM GP LLC, the General Partner of Saturn V Capital Management LP
What percentage of Immix Biopharma (IMMX) shares does Saturn V Capital Management report owning?
Saturn V Capital Management reports beneficial ownership of 6.97% of Immix Biopharma’s common stock. This corresponds to 3,693,585 shares, based on 52,955,130 shares outstanding as of January 8, 2026, as referenced from an Immix Biopharma Form S-3.
How many Immix Biopharma (IMMX) shares are reported as beneficially owned in this Schedule 13G?
The filing reports beneficial ownership of 3,693,585 shares of Immix Biopharma common stock. This stake equals 6.97% of the company, calculated using 52,955,130 shares outstanding as of January 8, 2026, disclosed in an earlier Form S-3.
Who are the reporting persons in the Immix Biopharma (IMMX) Schedule 13G?
The reporting persons are Saturn V Capital Management LP and Xiaoying Tian. Saturn V is the investment manager for certain pooled vehicles and accounts holding the shares, and Ms. Tian is Managing Member of the general partner of Saturn V, with shared voting and dispositive power.
Do Saturn V Capital Management and Xiaoying Tian claim direct ownership of Immix Biopharma (IMMX) shares?
Both Saturn V Capital Management and Xiaoying Tiandisclaim beneficial ownership of the shares. The shares are held by their investment management clients, although Saturn V and Ms. Tian have shared power to vote and dispose of the 3,693,585 reported shares.
Are any single clients of Saturn V Capital Management 5% shareholders of Immix Biopharma (IMMX)?
No single client of Saturn V Capital Management holds at least 5% of Immix Biopharma. The filing states that none of the pooled investment vehicles or managed accounts individually beneficially owns five percent or more of the issuer’s outstanding common shares.
What basis is used to calculate the 6.97% ownership of Immix Biopharma (IMMX)?
The 6.97% ownership figure is based on 52,955,130 Immix Biopharma shares outstanding as of January 8, 2026. That outstanding share count is cited from the company’s Form S-3 filed on January 9, 2026, and used to compute the reported ownership percentage.
