Apex Treasury Corp - Class A Ordinary Shares, par value $0.0001 per share (APXT)

Q: What does CUSIP G04104108 represent in this 13F holders report?

CUSIP G04104108 is the security identifier for APXT - Apex Treasury Corp - Class A Ordinary Shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held APXT - Apex Treasury Corp - Class A Ordinary Shares, par value $0.0001 per share in Q1 2026?

54 institutional investors reported APXT - Apex Treasury Corp - Class A Ordinary Shares, par value $0.0001 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G04104108

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A Ordinary Shares, par value $0.0001 per share
Total 13F shares: 29,355,455
Total 13F value: $292,198,970
Share change: +3,290,422
SEC-reported price per share: $9.94
Number of holders: 54
Value change: +$32,892,608
Number of buys: 22
Number of sells: 21
Shares outstanding: 34,253,913

Security key

G04104108

Report period

Q1 2026

Institutions

Top holders

APXT full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 Apex Treasury Corp SEC filings Apex Treasury Corp company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G04104108

Newer quarter: Q2 2026 Previous quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of APXT - Apex Treasury Corp - Class A Ordinary Shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Apex Treasury Sponsor LLC

Disclosed value leader

Apex Treasury Sponsor LLC

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F Lead comparable stake: 24% 13D/G row: Apex Treasury Sponsor LLC Showing 1-6 of 15 holder rows.

Quick read

Apex Treasury Sponsor LLC leads the comparable SEC ownership view at 24%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Apex Treasury Sponsor LLC's linked filing trail.

Comparable ownership Top 5

Apex Treasury Sponsor LLC 24%

Adage Capital Management, L.P. 6.5%

HighTower Advisors, LLC 3.3%

Alberta Investment Management Corp 3.2%

D. E. Shaw & Co., Inc. 3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Apex Treasury Sponsor LLC	13D/G 13D/G	24%	$110,273,500 11,150,000 shares	$0	27 Oct 2025
Adage Capital Management, L.P.	13D/G 13D/G	6.5%	$22,252,500 2,250,000 shares	$0	31 Dec 2025
HighTower Advisors, LLC	13F Company 13F	3.3%	$11,272,345 1,139,772 shares	—	31 Dec 2025
Alberta Investment Management Corp	13F Company 13F	3.2%	$11,055,000 1,100,000 shares	—	31 Dec 2025
D. E. Shaw & Co., Inc.	13F Company 13F	3%	$10,220,544 1,033,422 shares	—	31 Dec 2025
First Trust Capital Management L.P.	13F Company 13F	2.5%	$8,406,500 850,000 shares	—	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

29,355,455

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend