Siren, L.L.C. Historic Quarter Change: Foreign Stocks, Sold Out

Siren, L.L.C. historic quarter change: Foreign Stocks, Sold out

In share positions in stocks (depositary receipts and foreign shares traded over the counter), over 7 quarters from 2024-09-30 to 2026-06-30, Siren, L.L.C. opened 11 positions, added to 23, reduced 21 and sold out of 10.

Q2 2026: Stock CNTA; Country of operation —; Class SPONSORED ADS; Shares before 1,053,464.
Q2 2026: Stock BCYC; Country of operation —; Class SPONSORED ADS; Shares before 1,560,882.
Q1 2026: Stock CMPS; Country of operation —; Class SPONSORED ADS; Shares before 1,000,000.
Q1 2026: Stock EDU; Country of operation —; Class SPON ADR; Shares before 62,000.

Each consecutive pair of Form 13F-HR filings compared (SEC CIK 2005245), 7 quarters: Q2 2026 (2026-03-31 to 2026-06-30, filed 2026-08-13); Q1 2026 (2025-12-31 to 2026-03-31, filed 2026-05-14); Q4 2025 (2025-09-30 to 2025-12-31, filed 2026-02-13); Q3 2025 (2025-06-30 to 2025-09-30, filed 2025-11-13); Q2 2025 (2025-03-31 to 2025-06-30, filed 2025-08-13); Q1 2025 (2024-12-31 to 2025-03-31, filed 2025-05-23); Q4 2024 (2024-09-30 to 2024-12-31, filed 2025-02-14). Rows for the same security, class and put/call are added together. Value change is the filed value at each quarter end, so it includes the price move. Only the filings held here are compared; the firm's 13F-HR filings go back to the quarter ended 2024-09-30.

Quarter	Stock	Country of operation	Class	Shares before	Share change	Value before	Value after	Value change	Filed
Q2 2026	CNTA Centessa Pharmaceuticals PLC		SPONSORED ADS	1,053,464	-1,053,464	$41,843,590	$0	-$41,843,590	2026-08-13
Q2 2026	BCYC Bicycle Therapeutics PLC		SPONSORED ADS	1,560,882	-1,560,882	$7,242,492	$0	-$7,242,492	2026-08-13
Q1 2026	CMPS Compass Pathways PLC		SPONSORED ADS	1,000,000	-1,000,000	$6,900,000	$0	-$6,900,000	2026-05-14
Q1 2026	EDU New Oriental Education & Technology Group Inc		SPON ADR	62,000	-62,000	$3,411,860	$0	-$3,411,860	2026-05-14
Q1 2026	ARM Arm Holdings PLC		SPONSORED ADS	21,500	-21,500	$2,350,165	$0	-$2,350,165	2026-05-14
Q2 2025	GDS GDS Holdings Ltd		SPONSORED ADS	12,500	-12,500	$316,625	$0	-$316,625	2025-08-13
Q1 2025	ONC Beigene Ltd		SPONSORED ADR	653,721	-653,721	$120,748,806	$0	-$120,748,806	2025-05-23
Q1 2025	ARGX argenx SE		SPONSORED ADR	115,045	-115,045	$70,752,675	$0	-$70,752,675	2025-05-23
Q1 2025	SE Sea Ltd	Singapore	SPONSORED ADS	25,000	-25,000	$2,652,500	$0	-$2,652,500	2025-05-23
Q1 2025	BZ Kanzhun Ltd		SPONSORED ADS	25,000	-25,000	$345,000	$0	-$345,000	2025-05-23

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