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ZYMEWORKS (ZYME)
NASDAQ
$27.64-$0.47 (-1.68%)
Price as of Oct 22, 2026 7:59 PM EDT- $2.0BMarket Cap
- 59.11%1-Year Change
- BiotechnologyIndustry
ZYMEWORKS (ZYME)
$27.64-$0.47 (-1.68%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
ECOR1 CAPITAL, LLC | 32.01% | 23.0M | 0 (0.00%) | Jun 30, 2026 |
RUBRIC CAPITAL MANAGEMENT LP | 9.76% | 7.0M | 0 (0.00%) | Jun 30, 2026 |
BLACKROCK, INC. | 5.92% | 4.3M | -302,858 (-7.12%) | Jun 30, 2026 |
BLACKROCK INC. | 5.84% | 4.2M | +97,847 (+2.33%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 5.83% | 4.2M | -78,639 (-1.88%) | Dec 31, 2024 |
PERCEPTIVE ADVISORS LLC | 5.83% | 4.2M | +672,875 (+16.09%) | Jun 30, 2026 |
BVF INC/IL | 5.09% | 3.6M | -85,000 (-2.33%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 2.10% | 1.5M | -142,700 (-9.46%) | Jun 30, 2026 |
IVY FUNDS | 0.84% | 600,846 | +600,846 (+100.00%) | Jun 30, 2026 |
FIDELITY SECURITIES FUND | 0.77% | 553,150 | 0 (0.00%) | Jul 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.71% | 512,747 | +468,652 (+91.40%) | Jul 31, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 0.62% | 441,283 | -103,858 (-23.54%) | Jul 31, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.43% | 307,014 | +10,329 (+3.36%) | May 31, 2026 |
Dimensional ETF Trust | 0.40% | 285,617 | -3,809 (-1.33%) | Jul 31, 2026 |
Current Ownership Distribution
- Institutions735.6M (77.59%)
- Mutual Funds163.2M (17.21%)
- Insiders49.3M (5.20%)
- Other0 (0.00%)
Insider Transactions
- 5.20% (49.3M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 5Number of InsiderSelling (last 12 months)
- $12.0MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Schayowitz Adam EVP, Head of R&D | Exempt | Oct 09, 2026 | $0.00 | 37,037 | $0.00 | 74,074 |
Schayowitz Adam EVP, Head of R&D | Exempt | Oct 09, 2026 | $0.00 | 37,037 | $0.00 | 37,037 |
Schayowitz Adam EVP, Head of R&D | Sell | Oct 09, 2026 | $357,557.20 | 13,832 | $25.85 | 23,205 |
Hollywood Mark EVP & Chief Operating Officer | Award | Jul 06, 2026 | $20,864.58 | 939 | $22.22 | 133,852 |
Platshon Scott EVP, Chief Business Officer | Award | Apr 09, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Schayowitz Adam See Remarks | Award | Apr 09, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Platshon Scott EVP, Chief Business Officer | Award | Apr 09, 2026 | $0.00 | 47,000 | $0.00 | 47,000 |
Schayowitz Adam See Remarks | Award | Apr 09, 2026 | $0.00 | 47,000 | $0.00 | 47,000 |
Platshon Scott EVP, Chief Business Officer | Award | Apr 09, 2026 | $0.00 | 76,000 | $0.00 | 76,000 |
Schayowitz Adam See Remarks | Award | Apr 09, 2026 | $0.00 | 76,000 | $0.00 | 76,000 |
Stafford Kristin EVP, Chief Financial Officer | Award | Apr 06, 2026 | $0.00 | 178,000 | $0.00 | 178,000 |
Stafford Kristin EVP, Chief Financial Officer | Award | Apr 06, 2026 | $0.00 | 119,000 | $0.00 | 119,000 |
Stafford Kristin EVP, Chief Financial Officer | Award | Apr 06, 2026 | $0.00 | 50,000 | $0.00 | 50,000 |
Neu Kelvin | Award | Jan 12, 2026 | $0.00 | 11,500 | $0.00 | 11,500 |
Cesano Alessandra | Award | Jan 12, 2026 | $0.00 | 11,500 | $0.00 | 11,500 |
Smith Jeffrey T L EVP & Chief Medical Officer | Exempt | Jan 12, 2026 | $0.00 | 17,666 | $0.00 | 35,334 |
Ciongoli Gregory Austin | Award | Jan 12, 2026 | $0.00 | 11,500 | $0.00 | 11,500 |
Hollywood Mark EVP & Chief Operating Officer | Exempt | Jan 12, 2026 | $0.00 | 17,666 | $0.00 | 35,334 |
Cherry Brian N | Award | Jan 12, 2026 | $0.00 | 23,000 | $0.00 | 23,000 |
Smith Jeffrey T L EVP & Chief Medical Officer | Exempt | Jan 12, 2026 | $0.00 | 17,666 | $0.00 | 36,018 |
Campoy Carlos | Award | Jan 12, 2026 | $0.00 | 11,500 | $0.00 | 11,500 |
Neu Kelvin | Award | Jan 12, 2026 | $0.00 | 7,700 | $0.00 | 7,700 |
Cesano Alessandra | Award | Jan 12, 2026 | $0.00 | 7,700 | $0.00 | 7,700 |
Smith Jeffrey T L EVP & Chief Medical Officer | Sell | Jan 12, 2026 | $211,090.29 | 9,310 | $22.67 | 26,708 |
Ciongoli Gregory Austin | Award | Jan 12, 2026 | $0.00 | 7,700 | $0.00 | 7,700 |
Moore Paul Andrew Chief Scientific Officer | Exempt | Jan 12, 2026 | $0.00 | 17,666 | $0.00 | 35,334 |
Cherry Brian N | Award | Jan 12, 2026 | $0.00 | 15,400 | $0.00 | 15,400 |
Hollywood Mark EVP & Chief Operating Officer | Award | Jan 12, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Campoy Carlos | Award | Jan 12, 2026 | $0.00 | 7,700 | $0.00 | 7,700 |
Moore Paul Andrew Chief Scientific Officer | Award | Jan 12, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |