Barclays Discloses 6.30% Stake in ATIIU Common Stock — Schedule 13G

Barclays PLC reports beneficial ownership of 1,864,405 shares of Archimedes Tech SPAC Partner common stock, representing 6.30% of the class.

Rhea-AI Filing Summary

Barclays PLC reports beneficial ownership of 1,864,405 shares of Archimedes Tech SPAC Partner common stock, representing 6.30% of the class. The filing shows Barclays has sole voting and dispositive power over 1,864,400 shares and shared voting and dispositive power over 5 shares, indicating control over the vast majority of its disclosed stake.

Barclays is classified as an HC (parent holding company) and identifies Barclays Bank PLC and Barclays Capital Securities Ltd as the subsidiaries that acquired the securities. The filing includes a certification that the shares were acquired and are held in the ordinary course of business and not to change or influence control.

Positive

• Material stake disclosed: Barclays PLC beneficially owns 1,864,405 shares, equal to 6.30% of the class.
• Concentrated control of the position: Sole voting and dispositive power reported for 1,864,400 shares.
• Organizational clarity: Filing identifies Barclays Bank PLC and Barclays Capital Securities Ltd as the subsidiaries that acquired the securities.

Negative

• None.

Insights

Financial Analyst

TL;DR Barclays holds a material passive stake of 6.30% in ATIIU with near-total sole voting/dispositive control of that position.

From a market-structure perspective, a 6.30% beneficial holding is large enough to be material for free float and shareholder composition but does not by itself signal an intent to influence corporate control given the filing's certification. The near-equal sole voting and sole dispositive power figures (1,864,400 shares) show Barclays controls execution of voting and disposition for essentially the entire disclosed position, which may matter for proxy dynamics or block trading liquidity.

Corporate Governance Expert

TL;DR Filing classifies Barclays as a parent holding company and names subsidiaries as the acquiring entities; the declaration denies an intent to influence control.

The reporting person is labeled HC, and the schedule identifies Barclays Bank PLC and Barclays Capital Securities Ltd as the subsidiaries involved, which clarifies the organizational chain for this holding. The explicit certification that the stake was acquired in the ordinary course and not to change control reduces the likelihood this filing heralds an activist or control-driven campaign, though the stake size remains relevant for governance votes.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ATIIU shares does Barclays PLC report owning?

Barclays PLC reports beneficial ownership of 1,864,405 shares, representing 6.30% of the class.

What voting and dispositive power does Barclays have over its ATIIU stake?

Sole voting power and sole dispositive power over 1,864,400 shares, and shared voting and dispositive power over 5 shares.

Under what reporting classification did Barclays file the Schedule 13G for ATIIU?

Reporting person type: HC (parent holding company).

Which Barclays entities are identified as having acquired the securities?

Barclays Bank PLC and Barclays Capital Securities Ltd are named in the filing.

Did the filing state Barclays acquired the shares to influence control of ATIIU?

The filing includes a certification that the securities were acquired and are held in the ordinary course of business and were not acquired to change or influence control.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/12/2025 - 06:06 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

ARCHIMEDES TECH SPAC PARTNER

(Name of Issuer)

COMMON-STOCK

(Title of Class of Securities)

G04537109

(CUSIP Number)

06/30/2025

(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. G04537109

1

Names of Reporting Persons

Barclays PLC

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 KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,864,400.00
6	Shared Voting Power 5.00
7	Sole Dispositive Power 1,864,400.00
8	Shared Dispositive Power 5.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,864,405.00

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)

6.30 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ARCHIMEDES TECH SPAC PARTNER
(b)	Address of issuer's principal executive offices: 2093 Philadelphia Pike #1968, DE, 19703
Item 2.
(a)	Name of person filing: Barclays PLC
(b)	Address or principal business office or, if none, residence: 1 Churchill Place, London - E14 5HP
(c)	Citizenship: X0
(d)	Title of class of securities: COMMON-STOCK
(e)	CUSIP No.: G04537109
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: 1864405
(b)	Percent of class: 6.30 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1864400
	(ii) Shared power to vote or to direct the vote: 5
	(iii) Sole power to dispose or to direct the disposition of: 1864400
	(iv) Shared power to dispose or to direct the disposition of: 5
Item 5.	Ownership of 5 Percent or Less of a Class.
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. Barclays Bank PLC, Barclays Capital Securities Ltd
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.

Barclays PLC

Signature:	Ramya Rao
Name/Title:	Director
Date:	08/12/2025