Black Spade Acquisition III Co - Class A ordinary shares, $0.0001 par value, included as part of the units (BIII)

Q: What does CUSIP G1154S103 represent in this 13F holders report?

CUSIP G1154S103 is the security identifier for BIII - Black Spade Acquisition III Co - Class A ordinary shares, $0.0001 par value, included as part of the units used to aggregate holder disclosures.

Q: How many institutions held BIII - Black Spade Acquisition III Co - Class A ordinary shares, $0.0001 par value, included as part of the units in Q3 2026?

11 institutional investors reported BIII - Black Spade Acquisition III Co - Class A ordinary shares, $0.0001 par value, included as part of the units for Q3 2026. Use the holders table for investor-level position and value details.

CUSIP: G1154S103

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Class A ordinary shares, $0.0001 par value, included as part of the units
Total 13F shares: 4,435,449
Total 13F value: $44,618,123
Share change: +622,740
SEC-reported price per share: $10.06
Number of holders: 11
Value change: +$6,265,647
Number of buys: 1
Number of sells: 4
Shares outstanding: 17,328,109

Security key

G1154S103

Report period

Q3 2026

Institutions

Top holders

BIII full security history Ownership snapshot Full 13F holder table Previous quarter: Q2 2026 Black Spade Acquisition III Co SEC filings Black Spade Acquisition III Co company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP G1154S103

Previous quarter: Q2 2026

Recent filing periods:

Q3 2026 Q2 2026 Q1 2026

Ownership snapshot

Top reported holders of BIII - Black Spade Acquisition III Co - Class A ordinary shares, $0.0001 par value, included as part of the units (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

Black Spade Sponsor LLC III

Disclosed value leader

Black Spade Sponsor LLC III

Comparable rows

5/15

Latest evidence

30 Sep 2026

13D/G 13F Lead comparable stake: 22% 10 rows are not safely comparable across share classes. 13D/G row: Black Spade Sponsor LLC III Showing 1-6 of 15 holder rows.

Quick read

Black Spade Sponsor LLC III leads the comparable SEC ownership view at 22%.

5 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 Black Spade Sponsor LLC III's linked filing trail.

Comparable ownership Top 5

Black Spade Sponsor LLC III 22%

TENOR CAPITAL MANAGEMENT Co., L.P. 6.7%

BERKLEY W R CORP 6.4%

ARISTEIA CAPITAL, L.L.C. 6.4%

Magnetar Financial LLC 5.8%

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
Black Spade Sponsor LLC III	13D/G 13D/G	22% Reported 13D/G · 31 Mar 2026	$50,944,000 5,120,000 shares	$0	31 Mar 2026
TENOR CAPITAL MANAGEMENT Co., L.P.	13F 13D/G Company · Tenor Capital Management Company, L.P. 13F 13D/G	6.7% Reported 13D/G · 06 Jan 2026	$9,950,000 1,000,000 shares	—	30 Jun 2026
BERKLEY W R CORP	13D/G 13F W. R. Berkley Corporation · Company 13D/G 13F	6.4% Reported 13D/G · 30 Sep 2026	$11,156,530 1,108,999 shares	$0	30 Sep 2026
ARISTEIA CAPITAL, L.L.C.	13F 13D/G Company 13F 13D/G	6.4% Reported 13D/G · 31 Mar 2026	$10,945,000 1,100,000 shares	—	30 Jun 2026
Magnetar Financial LLC	13F 13D/G Company 13F 13D/G	5.8% Reported 13D/G · 31 Mar 2026	$9,949,930 999,993 shares	—	30 Jun 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	13F Company 13F	— denominator unverified	$8,208,750 825,000 shares	—	30 Jun 2026

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 Q3 2026

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

Institutions

4,435,449

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 Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders

Q3 2026 holders

Holder diff

-29

Investor	Q2 2026 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q2 2026 value	Q3 2026 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend