Companies / Zymeworks Inc.
Zymeworks Inc.
Financials · FY2025
Ownership
71.0M shares outstanding · as of Aug 4, 2026
Ownership
| Insiders | 0.61% | 435,419 |
| Institutions | 99.03% | 70,274,375 |
| Public float | 0.35% | 249,447 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 13
View all →| Insider | % of shares | Shares |
|---|---|---|
Galbraith KennethCEOChair & CEO · Director | 0.32% | 226,842 |
Hollywood MarkEVP & Chief Operating Officer | 0.19% | 132,913 |
Moore Paul AndrewChief Scientific Officer | 0.07% | 48,497 |
Smith Jeffrey T LEVP & Chief Medical Officer | 0.04% | 26,708 |
Patterson Leone DEVP, Chief Bus & Fin Officer | <0.01% | 459 |
Campoy CarlosDirector | — | — |
Cesano AlessandraDirector | — | — |
Cherry Brian NDirector | — | — |
Ciongoli Gregory AustinDirector | — | — |
Landry Robert EDirector | — | — |
Institutional holders 212
View all →| Holder | Value | % of shares |
|---|---|---|
| $604.81M | 32.37% | |
| $151.40M | 8.10% | |
| $111.12M | 5.99% | |
| $93.50M | 5.26% | |
| $87.89M | 4.95% | |
| $68.28M | 3.65% | |
| $61.32M | 3.28% | |
| $44.24M | 2.37% | |
| $30.52M | 1.63% | |
| $29.33M | 1.57% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jan 5, 2026 | Galbraith Kenneth CEO | Sell | Common Stock | $795.2K | -32K -14.09% | 193,266 0.27% of shares | medium |
| Jan 12, 2026 | Galbraith Kenneth CEO | Sell | Common Stock | $689.8K | -30K -11.83% | 226,842 0.32% of shares | medium |
| Jan 5, 2026 | Galbraith Kenneth CEO | Sell | Common Stock | $568.6K | -23K -12.52% | 158,286 0.22% of shares | medium |
| Jan 5, 2026 | Moore Paul Andrew Executive | Sell | Common Stock | $271.6K | -11K -21.13% | 40,391 0.06% of shares | medium |
| Jan 5, 2026 | Smith Jeffrey T L Executive | Sell | Common Stock | $264.5K | -11K -36.48% | 18,352 0.03% of shares | medium |
| Jan 5, 2026 | Moore Paul Andrew Executive | Sell | Common Stock | $233.1K | -9K -22.94% | 31,212 0.04% of shares | medium |
| Jan 12, 2026 | Moore Paul Andrew Executive | Sell | Common Stock | $216.8K | -10K -16.47% | 48,497 0.07% of shares | medium |
| Jan 12, 2026 | Smith Jeffrey T L Executive | Sell | Common Stock | $211.1K | -9K -25.85% | 26,708 0.04% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Rubric Capital Management LP | Passive13G/A | — |
| Morgan Stanley | Passive13G/A | — |
| Perceptive Advisors LLC | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| ZYME | — | 98985Y108 |