Info
Insider Ownership

Insider Trading & Ownership of Apollo Principal Holdings B, L.P.

Location: New York, NY
Summary: The estimated value of insider holdings of Apollo Principal Holdings B, L.P. is at least $289M dollars as of November 18, 2025. Apollo Principal Holdings B, L.P. is the 10%+ Owner of Diameter Credit Co and owns shares of Diameter Credit Co stock worth about $289M.
Signature: see signatures attached as Exhibit 99.2
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Ownership of Apollo Principal Holdings B, L.P.

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
/stock/0001916099-diameter-credit-co	Diameter Credit Co	10%+ Owner	$289M	+$119M	+70%	Nov 14, 2025
/stock/0001978024-apollo-s3-private-markets-fund	Apollo S3 Private Markets Fund	10%+ Owner				Oct 29, 2025

Insider Transactions Reported by Apollo Principal Holdings B, L.P.:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.