Qatar Investment Authority builds 6.2% stake in Perspective Therapeutics (CATX)

Rhea-AI Filing Summary

Qatar Investment Authority disclosed a significant passive stake in Perspective Therapeutics Inc. common stock. As of 02/04/2026, it beneficially owned 7,073,308 shares, representing 6.2% of the class, with sole voting and sole dispositive power over all reported shares.

The filing notes that Q Healthcare Holding LLC, a wholly owned subsidiary of Qatar Investment Authority, acquired the securities. Qatar Investment Authority certifies the shares were not acquired to change or influence control of Perspective Therapeutics, indicating a passive investment position.

Insights

Institutional Ownership & Governance Analyst

Qatar Investment Authority reports a 6.2% passive stake in Perspective Therapeutics.

Qatar Investment Authority reports beneficial ownership of 7,073,308 Perspective Therapeutics common shares, equal to 6.2% of the class as of 02/04/2026. The position carries sole voting and dispositive power, consolidating influence in a single institutional holder.

The securities were acquired through Q Healthcare Holding LLC, a wholly owned subsidiary. The filer certifies the holdings were not acquired to change or influence control, aligning this with a passive investment under Schedule 13G rather than an activist position.

Future ownership disclosures in subsequent filings will indicate whether Qatar Investment Authority maintains, increases, or reduces this 6.2% stake, which currently makes it a notable institutional shareholder in Perspective Therapeutics.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Perspective Therapeutics Inc

(Name of Issuer)

Common Stock SH CL B

(Title of Class of Securities)

46489V302

(CUSIP Number)

02/04/2026

(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. 46489V302

1

Names of Reporting Persons

Qatar Investment Authority

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

QATAR

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 7,073,308.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 7,073,308.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,073,308.00

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)

6.2 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Perspective Therapeutics Inc
(b)	Address of issuer's principal executive offices: 24301 Elliot Avenue, Suite 320, Seattle, Washington, 98121
Item 2.
(a)	Name of person filing: Qatar Investment Authority
(b)	Address or principal business office or, if none, residence: Ooredoo Tower (Building 14), Al Dafna Street (Street 801), Al Dafna (Zone 61), Doha, Qatar
(c)	Citizenship: Qatar
(d)	Title of class of securities: Common Stock SH CL B
(e)	CUSIP No.: 46489V302
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: 7,073,308
(b)	Percent of class: 6.2 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 7,073,308
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 7,073,308
	(iv) Shared power to dispose or to direct the disposition of: 0
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.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. Q Healthcare Holding LLC is the wholly owned subsidiary of Qatar Investment Authority that acquired the security.
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 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.

Qatar Investment Authority

Signature:	Mohammed Fahad Al Khulaifi
Name/Title:	Head of Compliance
Date:	02/05/2026

FAQ

What percentage of Perspective Therapeutics (CATX) shares does Qatar Investment Authority own?

Qatar Investment Authority beneficially owns 6.2% of Perspective Therapeutics’ common stock. This corresponds to 7,073,308 shares with sole voting and sole dispositive power as of February 4, 2026, making it a notable institutional shareholder in the company.

How many Perspective Therapeutics (CATX) shares are held by Qatar Investment Authority?

Qatar Investment Authority reports beneficial ownership of 7,073,308 Perspective Therapeutics common shares. It has sole power to vote and dispose of these shares, representing 6.2% of the class, based on ownership data as of February 4, 2026.

Is Qatar Investment Authority’s stake in Perspective Therapeutics (CATX) passive or activist?

Qatar Investment Authority characterizes its Perspective Therapeutics holdings as passive. It certifies the securities were not acquired and are not held to change or influence control of the issuer, consistent with a Schedule 13G rather than an activist Schedule 13D filing.

Which entity within Qatar Investment Authority acquired the Perspective Therapeutics (CATX) shares?

The filing states that Q Healthcare Holding LLC, a wholly owned subsidiary of Qatar Investment Authority, acquired the Perspective Therapeutics securities. Qatar Investment Authority is listed as the reporting person and beneficial owner, with Q Healthcare Holding LLC identified as the acquiring subsidiary.

What rights does Qatar Investment Authority have over its Perspective Therapeutics (CATX) shares?

Qatar Investment Authority reports sole voting and sole dispositive power over 7,073,308 Perspective Therapeutics common shares. It has no shared voting or shared dispositive power, indicating full control over how these particular shares are voted and whether they are sold or retained.

Why did Qatar Investment Authority file a Schedule 13G for Perspective Therapeutics (CATX)?

The Schedule 13G filing was triggered because Qatar Investment Authority’s beneficial ownership exceeded 5% of Perspective Therapeutics’ common stock. The filing reports a 6.2% stake and includes a certification that the shares are not held to change or influence control of the issuer.