O'Shaughnessy Asset Management’s Zymeworks ZYME Stock Holding History

O'Shaughnessy 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
2026 Q2	$1.03M	Buy	39,534 +2,405	+6%	+$61.1K	﹤0.01%	1229
2026 Q1	$930K	Sell	37,129 -5,923	-14%	-$140K	﹤0.01%	1219
2025 Q4	$1.13M	Buy	43,052 +1,284	+3%	+$28K	0.01%	1083
2025 Q3	$713K	Buy	41,768 +544	+1%	+$7.79K	﹤0.01%	1294
2025 Q2	$517K	Sell	41,224 -55,105	-57%	-$656K	﹤0.01%	1360
2025 Q1	$1.15M	Sell	96,329 -36,248	-27%	-$494K	0.01%	926
2024 Q4	$1.94M	Sell	132,577 -12,271	-8%	-$172K	0.02%	665
2024 Q3	$1.93M	Buy	144,848 +11,603	+9%	+$126K	0.02%	655
2024 Q2	$1.13M	Sell	133,245 -122,252	-48%	-$1.09M	0.01%	801
2024 Q1	$2.69M	Buy	255,497 +86,797	+51%	+$964K	0.03%	502
2023 Q4	$1.75M	Buy	168,700 +44,152	+35%	+$352K	0.02%	570
2023 Q3	$790K	Buy	124,548 +9,681	+8%	+$71.5K	0.01%	764
2023 Q2	$992K	Buy	+114,867	New	+$1.03M	0.01%	649

Other funds holding ZYME

EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return

BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.56% 1-Year Est. Return

Nextech Invest Zurich, Switzerland $2.11B AUM 413.84% 1-Year Est. Return

O'Shaughnessy Asset Management's ZYME Position: Q2 2026 in Review

O'Shaughnessy Asset Management increased its Zymeworks (ZYME) stake by 6.5% in Q2 2026, buying an estimated $61.1K and bringing the position to 39,534 shares worth $1.03M. The position accounts for ﹤0.01% of the portfolio, ranked #1229.

O'Shaughnessy Asset Management first reported a position in ZYME in Q2 2023 and has held it in 13 quarters since. The position peaked at $2.69M in Q1 2024. 202 funds tracked by Wall St. Rank hold ZYME as of Q2 2026.

O'Shaughnessy Asset Management held 39,534 shares of Zymeworks worth $1.03M as of Q2 2026.
O'Shaughnessy Asset Management bought 2,405 Zymeworks shares in Q2 2026, an estimated $61.1K.
Zymeworks made up ﹤0.01% of O'Shaughnessy Asset Management's portfolio in Q2 2026, its #1229 holding.
O'Shaughnessy Asset Management first reported a position in Zymeworks in Q2 2023 and has held it in 13 quarters since.
O'Shaughnessy Asset Management's Zymeworks position peaked at $2.69M in Q1 2024.
202 funds tracked by Wall St. Rank held Zymeworks as of Q2 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.