ZYME Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 1.92%

Insider Buying (Last 12 Months): $20,569,847.60

Insider Selling (Last 12 Months): $1,336,846.92

Zymeworks Insider Trading History Chart

Zymeworks Share Price & Price History

^$12.51

▲ +0.16 (1.30%)

As of 03/27/2025 05:00 PM ET

Days: 30 | 90 | 365

Zymeworks Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
3/26/2025	Ecor1 Capital, Llc	Director	Buy	43,848	$12.24	$536,699.52	17,255,151
3/24/2025	Ecor1 Capital, Llc	Director	Buy	22,689	$13.08	$296,772.12	17,157,802
3/21/2025	Ecor1 Capital, Llc	Director	Buy	31,033	$12.78	$396,601.74	17,135,113
3/19/2025	Ecor1 Capital, Llc	Director	Buy	58,306	$12.64	$736,987.84	17,030,604
3/17/2025	Ecor1 Capital, Llc	Director	Buy	56,277	$12.23	$688,267.71	16,858,418
3/13/2025	Ecor1 Capital, Llc	Director	Buy	468,356	$12.48	$5,845,082.88	16,802,141
3/11/2025	Ecor1 Capital, Llc	Director	Buy	320,690	$11.49	$3,684,728.10	16,040,851
1/17/2025	Ecor1 Capital, Llc	Director	Buy	19,748	$13.87	$273,904.76	15,720,161
1/15/2025	Ecor1 Capital, Llc	Director	Buy	39,029	$14.01	$546,796.29	15,578,732
1/13/2025	Ecor1 Capital, Llc	Director	Buy	74,125	$13.39	$992,533.75	15,485,203
1/10/2025	Ecor1 Capital, Llc	Director	Buy	204,098	$13.13	$2,679,806.74	15,411,078
1/8/2025	Ecor1 Capital, Llc	Director	Buy	21,021	$14.07	$295,765.47	15,206,980
1/6/2025	Jeffrey T L Smith	EVP	Sell	11,110	$14.92	$165,761.20	8,890
1/6/2025	Kenneth Galbraith	CEO	Sell	57,291	$14.92	$854,781.72	47,543
1/6/2025	Paul Andrew Moore	Insider	Sell	21,200	$14.92	$316,304.00	14,741
1/2/2025	Ecor1 Capital, Llc	Director	Buy	157,880	$14.78	$2,333,466.40	15,185,959
12/30/2024	Ecor1 Capital, Llc	Director	Buy	58,988	$14.47	$853,556.36	14,881,578
12/26/2024	Ecor1 Capital, Llc	Director	Buy	16,692	$14.38	$240,030.96	14,720,931
12/24/2024	Ecor1 Capital, Llc	Director	Buy	11,958	$14.12	$168,846.96	14,704,239
1/8/2024	Christopher Astle	CFO	Sell	1,431	$11.22	$16,055.82	6,503
1/8/2024	Kenneth Galbraith	CEO	Sell	5,706	$11.22	$64,021.32	23,762
1/8/2024	Paul Andrew Moore	Insider	Sell	2,339	$11.22	$26,243.58	7,367
1/5/2024	Christopher Astle	CFO	Sell	4,563	$10.65	$48,595.95	7,934
1/5/2024	Kenneth Galbraith	CEO	Sell	18,198	$10.65	$193,808.70	29,468
1/5/2024	Paul Andrew Moore	Insider	Sell	7,460	$10.65	$79,449.00	9,706
12/11/2023	Christopher Astle	CFO	Sell	886	$9.13	$8,089.18	1,997
6/16/2023	Ecor1 Capital, Llc	Major Shareholder	Buy	3,350,000	$8.12	$27,202,000.00	13,437,473
3/28/2023	Ecor1 Capital, Llc	Major Shareholder	Buy	200,000	$8.00	$1,600,000.00	10,087,473
3/10/2023	Neil A. Klompas	COO	Sell	2,977	$7.83	$23,309.91	17,032
1/19/2023	Ecor1 Capital, Llc	Major Shareholder	Buy	144,100	$9.49	$1,367,509.00	9,724,073
1/17/2023	Ecor1 Capital, Llc	Major Shareholder	Buy	440,000	$9.80	$4,312,000.00	9,376,973
1/13/2023	Ecor1 Capital, Llc	Major Shareholder	Buy	342,100	$9.81	$3,356,001.00	8,936,973
1/10/2023	Ecor1 Capital, Llc	Major Shareholder	Buy	920,000	$7.65	$7,038,000.00	8,488,573
12/12/2022	Christopher Astle	CFO	Sell	887	$6.01	$5,330.87	1,333
11/10/2022	Neil Josephson	Insider	Sell	2,475	$8.10	$20,047.50	14,449

See Full Table

SEC Filings (Institutional Ownership Changes) for Zymeworks (NYSE:ZYME)

92.89% of Zymeworks stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Zymeworks Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
3/24/2025	Wellington Management Group LLP	219,098	$3.21M	0.0%	-9.9%	0.315%
2/25/2025	Polar Asset Management Partners Inc.	36,000	$0.53M	0.0%	N/A	0.052%
2/19/2025	Public Employees Retirement System of Ohio	50,583	$0.74M	0.0%	-17.1%	0.073%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	1,365,111	$19.99M	0.0%	-10.4%	1.982%
2/17/2025	Voloridge Investment Management LLC	43,708	$0.64M	0.0%	N/A	0.063%
2/17/2025	Vestal Point Capital LP	185,000	$2.71M	0.2%	-69.9%	0.269%
2/17/2025	Silvercrest Asset Management Group LLC	282,345	$4.13M	0.0%	-1.0%	0.410%
2/17/2025	Redmile Group LLC	4,840,463	$70.86M	4.9%	-5.1%	7.027%
2/17/2025	Point72 Asset Management L.P.	330,127	$4.83M	0.0%	+565.8%	0.479%
2/17/2025	Polar Asset Management Partners Inc.	36,000	$0.53M	0.0%	N/A	0.052%
2/17/2025	ProShare Advisors LLC	18,623	$0.27M	0.0%	-36.9%	0.027%
2/17/2025	Prosight Management LP	820,000	$12.01M	3.3%	-10.6%	1.190%
2/17/2025	Nuveen Asset Management LLC	207,023	$3.03M	0.0%	+0.4%	0.301%
2/17/2025	Jacobs Levy Equity Management Inc.	356,168	$5.21M	0.0%	-31.9%	0.517%
2/17/2025	Granahan Investment Management LLC	411,120	$6.02M	0.3%	-33.0%	0.597%
2/17/2025	Farallon Capital Management LLC	1,329,974	$19.47M	0.1%	-2.3%	1.931%
2/17/2025	D. E. Shaw & Co. Inc.	20,840	$0.31M	0.0%	-4.3%	0.030%
2/17/2025	Deutsche Bank AG	1,546,772	$22.65M	0.0%	+1.2%	2.246%
2/17/2025	Cresset Asset Management LLC	30,806	$0.45M	0.0%	-21.8%	0.045%
2/17/2025	Bridgeway Capital Management LLC	759,653	$11.12M	0.2%	+2.3%	1.103%
2/17/2025	Blackstone Inc.	569,715	$8.34M	0.0%	+2,171.4%	0.827%
2/17/2025	BVF Inc. IL	4,308,935	$63.08M	2.1%	-6.5%	6.256%
2/17/2025	Bank of America Corp DE	31,700	$0.46M	0.0%	-54.5%	0.046%
2/17/2025	BNP Paribas Financial Markets	7,363	$0.11M	0.0%	N/A	0.011%
2/17/2025	Ameriprise Financial Inc.	121,526	$1.78M	0.0%	-11.5%	0.176%
2/17/2025	Acuta Capital Partners LLC	67,240	$0.98M	1.0%	N/A	0.098%
2/14/2025	Jane Street Group LLC	23,127	$0.34M	0.0%	-71.2%	0.034%
2/14/2025	Schonfeld Strategic Advisors LLC	22,800	$0.33M	0.0%	N/A	0.033%
2/14/2025	Northern Trust Corp	394,830	$5.78M	0.0%	+6.4%	0.573%
2/14/2025	The Manufacturers Life Insurance Company	20,958	$0.31M	0.0%	-4.9%	0.030%
2/14/2025	Susquehanna Fundamental Investments LLC	97,553	$1.43M	0.0%	N/A	0.142%
2/14/2025	Virtus ETF Advisers LLC	5,633	$82K	0.0%	-44.3%	0.008%
2/14/2025	Voya Investment Management LLC	59,514	$0.87M	0.0%	+207.7%	0.086%
2/14/2025	Price T Rowe Associates Inc. MD	21,583	$0.32M	0.0%	+17.6%	0.031%
2/14/2025	Stifel Financial Corp	64,330	$0.94M	0.0%	-12.7%	0.093%
2/14/2025	Tower Research Capital LLC TRC	9,704	$0.14M	0.0%	+343.9%	0.014%
2/14/2025	MetLife Investment Management LLC	33,946	$0.50M	0.0%	+6.4%	0.049%
2/14/2025	Dimensional Fund Advisors LP	972,742	$14.24M	0.0%	+14.5%	1.412%
2/13/2025	Jump Financial LLC	48,612	$0.71M	0.0%	N/A	0.071%
2/13/2025	Walleye Capital LLC	452,804	$6.63M	0.0%	N/A	0.657%
2/13/2025	XTX Topco Ltd	33,702	$0.49M	0.0%	N/A	0.049%
2/13/2025	Barclays PLC	220,890	$3.23M	0.0%	+43.1%	0.321%
2/13/2025	Sterling Capital Management LLC	1,719	$25K	0.0%	+781.5%	0.002%
2/13/2025	Kennedy Capital Management LLC	139,953	$2.05M	0.0%	-2.5%	0.203%
2/13/2025	Raymond James Financial Inc.	60,642	$0.89M	0.0%	N/A	0.088%
2/13/2025	Renaissance Technologies LLC	285,700	$4.18M	0.0%	+54.8%	0.415%
2/13/2025	Legal & General Group Plc	47,082	$0.69M	0.0%	+5.8%	0.068%
2/13/2025	Invesco Ltd.	69,382	$1.02M	0.0%	-57.4%	0.101%
2/13/2025	Bank of Montreal Can	25,948	$0.38M	0.0%	-9.2%	0.038%
2/13/2025	Federated Hermes Inc.	181,626	$2.66M	0.0%	+1.9%	0.264%
2/13/2025	Russell Investments Group Ltd.	44,945	$0.66M	0.0%	-9.7%	0.065%
2/13/2025	Envestnet Asset Management Inc.	54,090	$0.79M	0.0%	-17.6%	0.079%
2/13/2025	Wells Fargo & Company MN	164,058	$2.40M	0.0%	-7.5%	0.238%
2/12/2025	Massachusetts Financial Services Co. MA	27,385	$0.40M	0.0%	-65.7%	0.040%
2/12/2025	Trexquant Investment LP	101,996	$1.49M	0.0%	N/A	0.148%
2/12/2025	Geode Capital Management LLC	689,884	$10.10M	0.0%	-3.4%	1.002%
2/12/2025	Wellington Management Group LLP	219,098	$3.21M	0.0%	-9.9%	0.318%
2/12/2025	O Shaughnessy Asset Management LLC	132,577	$1.94M	0.0%	-8.5%	0.192%
2/12/2025	Schroder Investment Management Group	337,161	$4.89M	0.0%	N/A	0.489%
2/12/2025	Norges Bank	201,700	$2.95M	0.0%	N/A	0.293%
2/12/2025	JPMorgan Chase & Co.	111,983	$1.64M	0.0%	+185.1%	0.163%
2/11/2025	Prudential Financial Inc.	19,660	$0.29M	0.0%	N/A	0.029%
2/11/2025	Corebridge Financial Inc.	27,115	$0.40M	0.0%	-9.2%	0.039%
2/11/2025	Vanguard Group Inc.	2,493,288	$36.50M	0.0%	-12.8%	3.620%
2/11/2025	KLP Kapitalforvaltning AS	10,300	$0.15M	0.0%	N/A	0.015%
2/11/2025	Hillsdale Investment Management Inc.	230,025	$3.37M	0.2%	N/A	0.334%
2/11/2025	American Century Companies Inc.	39,942	$0.59M	0.0%	N/A	0.058%
2/11/2025	Northwest & Ethical Investments L.P.	5,471	$80K	0.0%	-14.1%	0.008%
2/11/2025	Teacher Retirement System of Texas	13,743	$0.20M	0.0%	+19.2%	0.020%
2/11/2025	Platinum Investment Management Ltd.	306,460	$4.49M	0.3%	-6.4%	0.445%
2/10/2025	Tejara Capital Ltd	38,537	$0.56M	0.4%	N/A	0.056%
2/10/2025	Picton Mahoney Asset Management	206,569	$3.02M	0.1%	-15.6%	0.300%
2/10/2025	Monaco Asset Management SAM	15,000	$0.22M	0.0%	-95.0%	0.022%
2/10/2025	Commonwealth Equity Services LLC	30,960	$0.45M	0.0%	+16.1%	0.045%
2/10/2025	Jupiter Asset Management Ltd.	369,499	$5.41M	0.1%	-13.5%	0.536%
2/7/2025	AlphaQuest LLC	2,808	$41K	0.0%	+480.2%	0.004%
2/6/2025	Raymond James Financial Inc.	60,642	$0.89M	0.0%	N/A	0.088%
2/6/2025	Victory Capital Management Inc.	51,580	$0.76M	0.0%	-5.2%	0.075%
2/6/2025	Charles Schwab Investment Management Inc.	131,306	$1.92M	0.0%	-1.1%	0.191%
2/4/2025	Bank of New York Mellon Corp	120,683	$1.77M	0.0%	-51.7%	0.175%
1/31/2025	New York State Common Retirement Fund	13,371	$0.20M	0.0%	+42.7%	0.019%
1/30/2025	Rhumbline Advisers	103,876	$1.52M	0.0%	+18.1%	0.151%
1/30/2025	Compagnie Lombard Odier SCmA	7,000	$0.10M	0.0%	-30.0%	0.010%
1/28/2025	Empowered Funds LLC	352,753	$5.16M	0.1%	+5.1%	0.512%
1/24/2025	One Wealth Advisors LLC	13,979	$0.21M	0.0%	-42.6%	0.020%
1/24/2025	China Universal Asset Management Co. Ltd.	14,605	$0.21M	0.0%	+6.9%	0.021%
1/17/2025	SG Americas Securities LLC	26,782	$0.39M	0.0%	+30.4%	0.039%
1/15/2025	Ritholtz Wealth Management	74,466	$1.09M	0.0%	+6.1%	0.108%
1/14/2025	Assenagon Asset Management S.A.	642,251	$9.40M	0.0%	+93.9%	0.932%
1/13/2025	TPG Financial Advisors LLC	10,017	$0.15M	0.1%	-9.1%	0.015%
11/16/2024	Geode Capital Management LLC	713,915	$8.96M	0.0%	+0.1%	1.036%
11/15/2024	Barclays PLC	154,384	$1.94M	0.0%	+476.3%	0.224%
11/15/2024	Y Intercept Hong Kong Ltd	11,724	$0.15M	0.0%	-79.9%	0.017%
11/15/2024	Jane Street Group LLC	80,326	$1.01M	0.0%	+27.3%	0.117%
11/15/2024	Virtus Investment Advisers Inc.	9,819	$0.12M	0.1%	-42.2%	0.014%
11/15/2024	Wellington Management Group LLP	243,189	$3.05M	0.0%	-27.4%	0.353%
11/15/2024	State Street Corp	1,171,777	$14.71M	0.0%	+6.1%	1.701%
11/15/2024	Stifel Financial Corp	73,654	$0.92M	0.0%	+2.1%	0.107%
11/15/2024	Redmile Group LLC	5,101,911	$64.03M	3.8%	-2.1%	7.407%
11/15/2024	Point72 Asset Management L.P.	49,583	$0.62M	0.0%	-74.9%	0.072%

Data available starting January 2016

See Full Table

Zymeworks Inc., a clinical-stage biopharmaceutical company, discovers, develops, and commercializes biotherapeutics for the treatment of cancer. The company's lead product candidates include zanidatamab, a human epidermal growth factor receptor 2 (HER2) that is in Phase 1, Phase 2, and Phase 3 clinical trials, including certain ongoing pivotal clinical trials; and zanidatamab zovodotin, a HER2 -targeted antibody-drug conjugate that is in Phase 2 clinical trial for the treatment of advanced or metastatic HER2-expressing tumors. It also develops a pipeline of preclinical product candidates and discovery-stage programs in oncology, including immuno-oncology agents and other therapeutic areas. Zymeworks Inc. has strategic partnerships and collaborations with BeiGene, Ltd.; Celgene Corporation; Celgene Alpine Investment Co. LLC; GlaxoSmithKline Intellectual Property Development Limited; Daiichi Sankyo Co., Ltd.; Janssen Biotech, Inc.; LEO Pharma A/S; Iconic Therapeutics, Inc.; Merck Sharp & Dohme Research GmbH; and Atreca, Inc. Zymeworks Inc. was incorporated in 2003 and is based in Middletown, Delaware.

Today's Range

Now: $12.51

$12.16

$12.71

50 Day Range

MA: $13.63

$11.10

$15.01

52 Week Range

Now: $12.51

$7.97

$17.70

Volume

317,200 shs

Average Volume

478,433 shs

Market Capitalization

$870.41 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.13

Who are the company insiders with the largest holdings of Zymeworks?: Zymeworks' top insider investors include:
Ecor1 Capital, Llc (Director)
Ecor1 Capital, Llc (Major Shareholder)
Kenneth Galbraith (CEO)
Paul Andrew Moore (Insider)
Jeffrey T L Smith (EVP)
Christopher Astle (CFO)
Learn More about top insider investors at Zymeworks.
Who are the major institutional investors of Zymeworks?: Zymeworks' top institutional investors include:
Redmile Group LLC — 7.03%
BVF Inc. IL — 6.26%
Vanguard Group Inc. — 3.62%
Deutsche Bank AG — 2.25%
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC — 1.98%
Farallon Capital Management LLC — 1.93%
Learn More about top institutional investors of Zymeworks stock.
Which major investors are selling Zymeworks stock?: During the last quarter, ZYME stock was sold by these institutional investors:
Vestal Point Capital LP
Vanguard Group Inc.
BVF Inc. IL
Monaco Asset Management SAM
Redmile Group LLC
Granahan Investment Management LLC
Jacobs Levy Equity Management Inc.
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
During the previous year, company insiders that have sold Zymeworks company stock include:
Ecor1 Capital, Llc (Director)
Ecor1 Capital, Llc (Major Shareholder)
Kenneth Galbraith (CEO)
Learn More investors selling Zymeworks stock.
Which major investors are buying Zymeworks stock?: Within the previous quarter, ZYME stock was purchased by institutional investors including:
Blackstone Inc.
Walleye Capital LLC
Schroder Investment Management Group
Assenagon Asset Management S.A.
Point72 Asset Management L.P.
Hillsdale Investment Management Inc.
Norges Bank
Dimensional Fund Advisors LP
During the last year, these company insiders have bought Zymeworks stock:
Ecor1 Capital, Llc (Director)
Ecor1 Capital, Llc (Major Shareholder)
Learn More investors buying Zymeworks stock.