ZYME Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 1.92%

Insider Buying (Last 12 Months): $23,696,890.81

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

Zymeworks Insider Trading History Chart

Zymeworks Share Price & Price History

^$11.53

▲ +0.28 (2.49%)

As of 04/17/2025 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
4/4/2025	Ecor1 Capital, Llc	Director	Buy	196,438	$11.17	$2,194,212.46	17,699,774
4/2/2025	Ecor1 Capital, Llc	Director	Buy	74,360	$11.85	$881,166.00	17,382,566
3/31/2025	Ecor1 Capital, Llc	Director	Buy	4,397	$11.75	$51,664.75	17,259,548
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
4/17/2025	Janney Montgomery Scott LLC	11,567	$0.14M	0.0%	+12.7%	0.017%
4/17/2025	Exchange Traded Concepts LLC	10,126	$0.12M	0.0%	-24.4%	0.015%
4/17/2025	Ritholtz Wealth Management	60,494	$0.72M	0.0%	-18.8%	0.087%
4/15/2025	Assenagon Asset Management S.A.	495,067	$5.90M	0.0%	-22.9%	0.712%
4/15/2025	SG Americas Securities LLC	98,165	$1.17M	0.0%	+266.5%	0.141%
4/8/2025	Rhumbline Advisers	82,738	$0.99M	0.0%	-20.3%	0.119%
4/7/2025	GAMMA Investing LLC	6,467	$77K	0.0%	+1,113.3%	0.009%
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%

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: $11.53

$11.12

$11.59

50 Day Range

MA: $12.41

$9.44

$15.01

52 Week Range

Now: $11.53

$7.97

$17.70

Volume

383,335 shs

Average Volume

621,012 shs

Market Capitalization

$802.22 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.18

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:
Assenagon Asset Management S.A. — 0.71%
SG Americas Securities LLC — 0.14%
Rhumbline Advisers — 0.12%
Ritholtz Wealth Management — 0.09%
Janney Montgomery Scott LLC — 0.02%
Exchange Traded Concepts LLC — 0.01%
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:
Assenagon Asset Management S.A.
Rhumbline Advisers
Ritholtz Wealth Management
Exchange Traded Concepts 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:
SG Americas Securities LLC
GAMMA Investing LLC
Janney Montgomery Scott LLC
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.