Weiss Asset Management’s Zymeworks ZYME Stock Holding History

Weiss Asset Management’s Portfolio ZYME Stock Details ZYME Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-54,171	Closed	-$680K	–	808
2025 Q2	$680K	Buy	+54,171	New	+$645K	0.01%	354

Other funds holding ZYME

EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return

Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

VPC

Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

Weiss Asset Management's ZYME Position: Q3 2025 in Review

Weiss Asset Management sold out of Zymeworks (ZYME) in Q3 2025, closing a stake of 54,171 shares — an estimated $680K sold.

Weiss Asset Management first reported a position in ZYME in Q2 2025 and held it in 1 quarter. The position peaked at $680K in Q2 2025. 183 funds tracked by Wall St. Rank hold ZYME as of Q3 2025.

Weiss Asset Management reported no remaining Zymeworks position as of Q3 2025 after selling out during the quarter.
Weiss Asset Management sold 54,171 Zymeworks shares in Q3 2025, an estimated $680K.
Weiss Asset Management first reported a position in Zymeworks in Q2 2025 and held it in 1 quarter.
Weiss Asset Management's Zymeworks position peaked at $680K in Q2 2025.
183 funds tracked by Wall St. Rank held Zymeworks as of Q3 2025.

Based on Weiss Asset Management's 13F filing for Q3 2025, filed 14 Nov 2025.