Zymeworks Inc.: which funds bought and sold
Institutions that bought and sold Zymeworks shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 83 institutions that filed 13F reports for both quarters added to or opened positions in Zymeworks, and 101 cut or closed them. Together they sold a net 609K shares, −0.9% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 303K shares (−0.8%); index fund managers were net sellers of 369K shares (−4.0%). 23 opened a new position and 28 sold out entirely.
Bought, Q2 2026 83 institutions, 23 of them new holders Sold, Q2 2026 101 institutions, 28 of them sold out
Net change, all compared −609K shares (−0.9%)
Net change, active managers −303K shares (−0.8%), 18 bought, 24 sold
Buyers versus sellers
83 bought 44 101 sold
Active managers and hedge funds 18 bought · 24 sold · −303K
Index fund managers 4 bought · 6 sold · −369K
Other institutions 61 bought · 71 sold · +63K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Assenagon Asset Management S.A. | +1.8M +244.0% | 2.5M | $65.5M |
| Nomura Asset Management International Inc. | +890K New position | 890K | $23.3M |
| Perceptive Advisors LLC Hedge fund | +673K +19.2% | 4.2M | $109M |
| First Trust Advisors LP | +340K New position | 340K | $8.9M |
| Pictet Asset Management Holding SA | +299K +3229.6% | 308K | $7.4M |
| Prosight Management, LP | +135K +25.1% | 674K | $17.6M |
| State Of Wisconsin Investment Board | +89K +135.3% | 156K | $4.1M |
| Granahan Investment Management, LLC | +85K +34.0% | 336K | $8.8M |
| Y-Intercept (Hong Kong) Ltd | +83K New position | 83K | $2.2M |
| LMR Partners LLP Hedge fund | +83K New position | 83K | $2.2M |
| Qube Research & Technologies Ltd Hedge fund | +82K +15.9% | 594K | $15.5M |
| State Street Corp Index funds | +76K +7.6% | 1.1M | $28.4M |
| Two Sigma Investments, LP Hedge fund | +72K New position | 72K | $1.9M |
| Silvercrest Asset Management Group LLC | +60K +36.7% | 224K | $5.8M |
| Manatuck Hill Partners, LLC | +60K +150.0% | 100K | $2.6M |
| Martingale Asset Management L P Active manager | +41K +123.7% | 73K | $1.9M |
| Virtus Investment Advisers, LLC | +40K +374.9% | 51K | $1.3M |
| Hillsdale Investment Management Inc. | +37K +10.8% | 383K | $10M |
| FMR LLC Active manager | +35K +5.3% | 703K | $18.4M |
| Geode Capital Management, LLC Index funds | +32K +4.9% | 692K | $18.1M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Perceptive Advisors LLC Hedge fund | +673K +19.2% | 4.2M | $109M |
| LMR Partners LLP Hedge fund | +83K New position | 83K | $2.2M |
| Qube Research & Technologies Ltd Hedge fund | +82K +15.9% | 594K | $15.5M |
| Two Sigma Investments, LP Hedge fund | +72K New position | 72K | $1.9M |
| Martingale Asset Management L P Active manager | +41K +123.7% | 73K | $1.9M |
| FMR LLC Active manager | +35K +5.3% | 703K | $18.4M |
| Brevan Howard Capital Management LP Hedge fund | +26K New position | 26K | $678,490 |
| Segall Bryant & Hamill, LLC Active manager | +21K +46.2% | 67K | $1.7M |
| Man Group PLC Hedge fund | +21K +11.0% | 211K | $5.5M |
| AQR Capital Management LLC Hedge fund | +21K +22.7% | 111K | $2.9M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Mpm Bioimpact LLC | −565K Sold out | 0 | — |
| Nuveen, LLC | −532K −81.7% | 119K | $3.1M |
| Deutsche Bank Ag\ | −524K −56.9% | 397K | $10.4M |
| Capricorn Fund Managers Ltd | −521K −51.7% | 487K | $12.7M |
| Arrowstreet Capital, Limited Partnership Hedge fund | −325K −43.7% | 418K | $10.9M |
| Blackrock, Inc. Index funds | −303K −6.7% | 4.3M | $111M |
| Royce & Associates LP Active manager | −299K Sold out | 0 | — |
| Morgan Stanley | −249K −10.1% | 2.2M | $58.3M |
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | −238K −74.5% | 81K | $2.1M |
| HRT Financial LP | −238K Sold out | 0 | — |
| Citadel Advisors LLC Hedge fund | −236K −20.5% | 914K | $23.9M |
| Jane Street Group, LLC | −210K −92.3% | 17K | $455,803 |
| Vanguard Capital Management LLC Index funds | −147K −8.6% | 1.6M | $40.8M |
| Dimensional Fund Advisors LP | −144K −12.7% | 995K | $26M |
| Goldman Sachs Group Inc | −129K −21.5% | 471K | $12.3M |
| BNP Paribas Asset Management Holding S.A. | −127K −6.7% | 1.8M | $46.6M |
| Summittx Capital, L.P. | −111K −34.4% | 211K | $5.5M |
| D. E. Shaw & Co., Inc. Hedge fund | −91K −38.5% | 145K | $3.8M |
| Panagora Asset Management Inc Active manager | −88K −42.7% | 119K | $3.1M |
| Bvf Inc | −85K −2.3% | 3.6M | $95.4M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Arrowstreet Capital, Limited Partnership Hedge fund | −325K −43.7% | 418K | $10.9M |
| Royce & Associates LP Active manager | −299K Sold out | 0 | — |
| Citadel Advisors LLC Hedge fund | −236K −20.5% | 914K | $23.9M |
| D. E. Shaw & Co., Inc. Hedge fund | −91K −38.5% | 145K | $3.8M |
| Panagora Asset Management Inc Active manager | −88K −42.7% | 119K | $3.1M |
| American Century Companies Inc Active manager | −71K Sold out | 0 | — |
| Squarepoint Ops LLC Hedge fund | −67K −80.5% | 16K | $423,468 |
| Engineers Gate Manager LP Hedge fund | −32K Sold out | 0 | — |
| Fisher Asset Management, LLC Active manager | −31K −30.2% | 71K | $1.9M |
| Wellington Management Group LLP Active manager | −29K −20.7% | 110K | $2.9M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Nomura Asset Management International Inc. | 890K | $23.3M |
| First Trust Advisors LP | 340K | $8.9M |
| Y-Intercept (Hong Kong) Ltd | 83K | $2.2M |
| LMR Partners LLPHedge fund | 83K | $2.2M |
| Two Sigma Investments, LPHedge fund | 72K | $1.9M |
| Brevan Howard Capital Management LPHedge fund | 26K | $678,490 |
| Jump Financial, LLC | 26K | $669,393 |
| Betterwealth, LLC | 19K | $486,779 |
| Susquehanna Fundamental Investments, LLC | 18K | $475,356 |
| Jain Global LLCHedge fund | 10K | $261,661 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Mpm Bioimpact LLC | 565K | $14.2M |
| Royce & Associates LPActive manager | 299K | $7.5M |
| HRT Financial LP | 238K | $6M |
| American Century Companies IncActive manager | 71K | $1.8M |
| Connor, Clark & Lunn Investment Management Ltd. | 38K | $949,492 |
| Engineers Gate Manager LPHedge fund | 32K | $789,962 |
| Schroder Investment Management GroupActive manager | 28K | $686,329 |
| Exoduspoint Capital Management, LPHedge fund | 27K | $685,445 |
| Susquehanna International Group, LLP | 24K | $611,502 |
| Headlands Technologies LLC | 23K | $572,039 |
Who holds the shares
- Institutions reporting
- 203
- Ten largest holders
- 73.6% of 13F-reported shares
- Index fund managers
- 12.6% of 13F-reported shares
- Active managers and hedge funds
- 55.5% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 18 | 24 | 5 | 10 | −303K | −0.8% |
| Index fund managers | 4 | 6 | 0 | 0 | −369K | −4.0% |
| Other institutions | 61 | 71 | 18 | 18 | +63K | +0.3% |