Janus Henderson Group’s Zymeworks ZYME Stock Holding History

Janus Henderson Group’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 Q1	$456K	Hold	18,200	–	–	﹤0.01%	2051
2025 Q4	$479K	Hold	18,200	–	–	﹤0.01%	2032
2025 Q3	$311K	Hold	18,200	–	–	﹤0.01%	2199
2025 Q2	$229K	Hold	18,200	–	–	﹤0.01%	2279
2025 Q1	$225K	Hold	18,200	–	–	﹤0.01%	2320
2024 Q4	$266K	Hold	18,200	–	–	﹤0.01%	2307
2024 Q3	$228K	Hold	18,200	–	–	﹤0.01%	2385
2024 Q2	$155K	Sell	18,200 -339	-2%	-$3.02K	﹤0.01%	2452
2024 Q1	$195K	Buy	18,539 +3	+0%	+$33	﹤0.01%	2429
2023 Q4	$193K	Sell	18,536 -11	-0.1%	-$88	﹤0.01%	2443
2023 Q3	$118K	Hold	18,547	–	–	﹤0.01%	2491
2023 Q2	$160K	Sell	18,547 -20,347	-52%	-$182K	﹤0.01%	2505
2023 Q1	$351K	Buy	+38,894	New	+$339K	﹤0.01%	2210

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

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

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

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

BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Janus Henderson Group's ZYME Position: Q1 2026 in Review

Janus Henderson Group held its Zymeworks (ZYME) position steady in Q1 2026 at 18,200 shares worth $456K. The position accounts for ﹤0.01% of the portfolio, ranked #2051.

Janus Henderson Group first reported a position in ZYME in Q1 2023 and has held it in 13 quarters since. The position peaked at $479K in Q4 2025. 211 funds tracked by Wall St. Rank hold ZYME as of Q1 2026.

Janus Henderson Group held 18,200 shares of Zymeworks worth $456K as of Q1 2026.
Janus Henderson Group left its Zymeworks share count unchanged in Q1 2026.
Zymeworks made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #2051 holding.
Janus Henderson Group first reported a position in Zymeworks in Q1 2023 and has held it in 13 quarters since.
Janus Henderson Group's Zymeworks position peaked at $479K in Q4 2025.
211 funds tracked by Wall St. Rank held Zymeworks as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.