Siren LLC’s Ascendis Pharma A/S ASND Stock Holding History

Siren LLC’s Portfolio ASND Stock Details ASND Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-235,862	Closed	-$50.3M	–	104
2025 Q4	$50.3M	Hold	235,862	–	–	1.5%	22
2025 Q3	$46.9M	Sell	235,862 -10,081	-4%	-$1.88M	1.83%	18
2025 Q2	$42.4M	Sell	245,943 -41,423	-14%	-$6.75M	2.2%	11
2025 Q1	$44.8M	Sell	287,366 -9,955	-3%	-$1.42M	2.53%	9
2024 Q4	$40.9M	Sell	297,321 -50,600	-15%	-$6.65M	1.81%	15
2024 Q3	$51.9M	Buy	+347,921	New	+$47M	2.6%	12

Other funds holding ASND

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

ACA

Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Siren LLC's ASND Position: Q1 2026 in Review

Siren LLC sold out of Ascendis Pharma A/S (ASND) in Q1 2026, closing a stake of 235,862 shares — an estimated $50.3M sold.

Siren LLC first reported a position in ASND in Q3 2024 and held it in 6 quarters. The position peaked at $51.9M in Q3 2024. 274 funds tracked by Wall St. Rank hold ASND as of Q1 2026.

Siren LLC reported no remaining Ascendis Pharma A/S position as of Q1 2026 after selling out during the quarter.
Siren LLC sold 235,862 Ascendis Pharma A/S shares in Q1 2026, an estimated $50.3M.
Siren LLC first reported a position in Ascendis Pharma A/S in Q3 2024 and held it in 6 quarters.
Siren LLC's Ascendis Pharma A/S position peaked at $51.9M in Q3 2024.
274 funds tracked by Wall St. Rank held Ascendis Pharma A/S as of Q1 2026.

Based on Siren LLC's 13F filing for Q1 2026, filed 14 May 2026.