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Rubric Capital Management LP

Position in ZYME — Zymeworks Inc.

CIK 1687509 NEW YORK, NY

Position in ZYME

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$175,280,000
+$23,882,500 QoQ
Shares Held
7,000,000
+21.7% QoQ
Ownership
9.59%
of shares outstanding
% of Portfolio
2.22%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2022
14 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ZYME Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Rubric Capital Management LP holds $938,577,278 across 18 Biotechnology names. ZYME ranks #2 (18.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ZYME
Zymeworks Inc.
This page
7,000,000 $175,280,000

All Filings in ZYME

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15 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $175,280,000 7,000,000
2026-03-31 $175,280,000 7,000,000
2025-12-31 $151,397,500 5,750,000
2025-09-30 $80,456,211 4,710,551
2025-06-30 $59,117,415 4,710,551
2025-03-31 $51,670,868 4,338,444
2024-12-31 $57,349,725 3,917,331
2024-09-30 $49,162,504 3,917,331
2024-06-30 $33,336,486 3,917,331
2024-03-31 $36,561,039 3,475,384
2023-12-31 $36,109,239 3,475,384
2023-09-30 $16,809,837 2,651,394
2023-06-30 $20,369,465 2,357,577
2023-03-31 $25,806,777 2,854,732
2022-12-31 $23,723,185 3,018,217