Security key
98985Y108
Zymeworks Inc. - Common Stock, $0.00001 par value per share (ZYME)
CUSIP: 98985Y108
Q2 2024 13F Holders as of 30 Jun 2024
- Security type / class
- Equity / Common Stock, $0.00001 par value per share
- Total 13F shares
- 68,183,439
- Total 13F value
- $580,274,097
- Share change
- +2,328,900
- Put/Call ratio
- 181%
- SEC-reported price per share
- $8.51
- Number of holders
- 160
- Value change
- +$16,468,836
- Number of buys
- 81
- Number of sells
- 80
- Shares outstanding
- 73,761,855
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2024
Institutions
160
Top holders
10
ZYME full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2024
Previous quarter: Q1 2024
Zymeworks Inc. SEC filings
Zymeworks Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 98985Y108
Recent filing periods:
Ownership snapshot
Top reported holders of ZYME - Zymeworks Inc. - Common Stock, $0.00001 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
EcoR1 Capital, LLC
Disclosed value leader
EcoR1 Capital, LLC
Comparable rows
15/15
Latest evidence
31 Mar 2024
13F
3/4/5
Lead comparable stake: 18%
Showing 1-6 of 15 holder rows.
Quick read
EcoR1 Capital, LLC leads the comparable SEC ownership view at 18%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens EcoR1 Capital, LLC's linked filing trail.
Comparable ownership
Top 5
EcoR1 Capital, LLC
18%
BVF INC/IL
8%
Redmile Group, LLC
7.5%
MORGAN STANLEY
6.9%
BlackRock Finance, Inc.
5.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC |
13F
Company
|
18%
|
$141,362,216
13,437,473 shares
|
— | 31 Mar 2024 |
| BVF INC/IL |
13F
Company
|
8%
|
$61,752,400
5,870,000 shares
|
— | 31 Mar 2024 |
| Redmile Group, LLC |
13F
3/4/5
Company · 10%+ Owner
|
7.5%
|
$58,499,595
5,560,798 shares
|
— | 31 Mar 2024 |
| MORGAN STANLEY |
13F
Company
|
6.9%
|
$53,769,234
5,111,144 shares
|
— | 31 Mar 2024 |
| BlackRock Finance, Inc. |
13F
Company
|
5.6%
|
$43,087,070
4,095,729 shares
|
— | 31 Mar 2024 |
| Rubric Capital Management LP |
13F
Company
|
4.7%
|
$36,561,040
3,475,384 shares
|
— | 31 Mar 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
160
Shares
68,183,439
Rows available
160
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2024 vs Q1 2024 Across Filers
Q1 2024 holders
167
Q2 2024 holders
160
Holder diff
-7
| Investor | Q1 2024 Shares | Q2 2024 Shares | Share Diff | Share Chg % | Q1 2024 value | Q2 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend