ETNB Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 2.80%

Insider Buying (Last 12 Months): $50,235,693.75

Insider Selling (Last 12 Months): $162,357.42

89bio Insider Trading History Chart

89bio Share Price & Price History

^$7.40

▲ +0.46 (6.63%)

As of 04/28/2025 05:00 PM ET

Days: 30 | 90 | 365

89bio Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
4/15/2025	Quoc Le-Nguyen	Insider	Sell	15,329	$5.95	$91,207.55	328,323
1/30/2025	Ra Capital Management, L.P.	Director	Buy	5,714,285	$8.75	$49,999,993.75	19,554,319
1/21/2025	Charles Mcwherter	Director	Buy	5,000	$6.55	$32,750.00	15,000
1/15/2025	Quoc Le-Nguyen	Insider	Sell	10,963	$6.49	$71,149.87	271,833
12/6/2024	Rohan Palekar	CEO	Buy	5,000	$7.89	$39,450.00	471,236
12/5/2024	Charles Mcwherter	Director	Buy	10,000	$8.00	$80,000.00	10,000
11/22/2024	Rohan Palekar	CEO	Buy	10,000	$8.35	$83,500.00	466,236
3/4/2024	Ra Capital Management, L.P.	Director	Buy	1,350,000	$15.35	$20,722,500.00	12,431,584
2/26/2024	Rohan Palekar	CEO	Sell	4,477	$10.76	$48,172.52	486,889
7/17/2023	Kathleen Laporte	Director	Sell	12,500	$18.80	$235,000.00
6/5/2023	Rohan Palekar	CEO	Sell	15,000	$20.00	$300,000.00	286,978
6/1/2023	Morrow Atkinson III	Director	Sell	6,250	$17.91	$111,937.50
5/9/2023	Quoc Le-Nguyen	Insider	Sell	13,683	$18.11	$247,799.13	164,971
4/4/2023	Ryan Martins	CFO	Sell	8,721	$14.95	$130,378.95	53,578
3/30/2023	Michael R Hayden	Director	Buy	6,250	$3.62	$22,625.00	83,978
3/28/2023	Michael R Hayden	Director	Buy	61,538	$16.15	$993,838.70	61,538
3/24/2023	Ra Capital Management, L.P.	Director	Buy	2,461,538	$16.25	$39,999,992.50	11,081,584
3/23/2023	Rohan Palekar	CEO	Sell	15,000	$16.00	$240,000.00	269,080
3/23/2023	Ryan Martins	CFO	Sell	5,000	$16.11	$80,550.00	53,578
2/21/2023	Ryan Martins	CFO	Sell	2,540	$13.89	$35,280.60	58,578
2/8/2023	Ryan Martins	CFO	Sell	1,480	$14.41	$21,326.80	32,868
2/3/2023	Ryan Martins	CFO	Sell	3,592	$13.04	$46,839.68	35,368
1/3/2023	Ryan Martins	CFO	Sell	5,947	$12.51	$74,396.97	36,368
10/18/2022	Ra Capital Management, L.P.	Director	Buy	1,172,741	$7.65	$8,971,468.65	8,955,410
7/1/2022	Ra Capital Management, L.P.	Director	Buy	2,816,900	$3.55	$9,999,995.00	7,782,669

See Full Table

SEC Filings (Institutional Ownership Changes) for 89bio (NASDAQ:ETNB)

Institutional Buying and Selling by Quarter

89bio Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
4/28/2025	Teacher Retirement System of Texas	28,331	$0.21M	0.0%	+15.9%	0.019%
4/24/2025	Diversified Trust Co	21,823	$0.16M	0.0%	N/A	0.015%
4/15/2025	Assenagon Asset Management S.A.	428,895	$3.12M	0.0%	+76.8%	0.294%
4/14/2025	Harbor Capital Advisors Inc.	314,772	$2.29M	0.1%	+25.0%	0.216%
4/10/2025	Hennion & Walsh Asset Management Inc.	140,306	$1.02M	0.0%	+48.5%	0.096%
4/8/2025	Rhumbline Advisers	152,138	$1.11M	0.0%	+17.0%	0.104%
4/7/2025	GAMMA Investing LLC	7,648	$56K	0.0%	+4,898.7%	0.005%
3/24/2025	Wellington Management Group LLP	334,805	$2.62M	0.0%	+4.9%	0.229%
3/18/2025	California State Teachers Retirement System	76,921	$0.60M	0.0%	+12.5%	0.053%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	178,691	$1.40M	0.0%	+26.7%	0.168%
2/17/2025	Woodline Partners LP	394,826	$3.09M	0.0%	+640.1%	0.372%
2/17/2025	Two Sigma Advisers LP	112,100	$0.88M	0.0%	-31.3%	0.106%
2/17/2025	Two Sigma Investments LP	237,521	$1.86M	0.0%	-35.6%	0.224%
2/17/2025	Stempoint Capital LP	545,800	$4.27M	1.1%	N/A	0.514%
2/17/2025	Suvretta Capital Management LLC	10,202,696	$79.79M	2.7%	+27.7%	9.613%
2/17/2025	Sandia Investment Management LP	11,286	$88K	0.2%	+28.5%	0.011%
2/17/2025	Sphera Funds Management LTD.	556,532	$4.35M	0.8%	+3.7%	0.524%
2/17/2025	RTW Investments LP	7,478,061	$58.48M	0.9%	+1.3%	7.046%
2/17/2025	Rafferty Asset Management LLC	88,745	$0.69M	0.0%	-30.3%	0.084%
2/17/2025	Redmile Group LLC	2,167,176	$16.95M	1.2%	+38.0%	2.042%
2/17/2025	ProShare Advisors LLC	29,149	$0.23M	0.0%	+32.0%	0.027%
2/17/2025	Nuveen Asset Management LLC	286,492	$2.24M	0.0%	-1.2%	0.270%
2/17/2025	Millennium Management LLC	708,196	$5.54M	0.0%	+85.4%	0.667%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	51,154	$0.40M	0.0%	+2.3%	0.048%
2/17/2025	Laurion Capital Management LP	780,273	$6.10M	0.1%	-3.7%	0.735%
2/17/2025	Integral Health Asset Management LLC	1,000,000	$7.82M	0.7%	+100.0%	0.942%
2/17/2025	Janus Henderson Group PLC	16,514,056	$129.18M	0.1%	+8.9%	15.560%
2/17/2025	Deutsche Bank AG	78,059	$0.61M	0.0%	+48.1%	0.074%
2/17/2025	Deep Track Capital LP	6,478,249	$50.66M	1.9%	+134.2%	6.104%
2/17/2025	BVF Inc. IL	4,333,885	$33.89M	1.1%	-36.4%	4.084%
2/17/2025	Balyasny Asset Management L.P.	1,019,449	$7.97M	0.0%	N/A	0.961%
2/17/2025	Bank of America Corp DE	358,574	$2.80M	0.0%	+10.1%	0.338%
2/17/2025	BNP Paribas Financial Markets	351,331	$2.75M	0.0%	N/A	0.331%
2/17/2025	Ameriprise Financial Inc.	28,230	$0.22M	0.0%	+107.7%	0.027%
2/17/2025	Algert Global LLC	185,407	$1.45M	0.0%	+198.0%	0.175%
2/17/2025	Alyeska Investment Group L.P.	925,397	$7.24M	0.0%	+14.4%	0.872%
2/17/2025	Ally Bridge Group NY LLC	317,833	$2.49M	2.1%	N/A	0.299%
2/14/2025	Comerica Bank	256,583	$2.01M	0.0%	+13.5%	0.242%
2/14/2025	PDT Partners LLC	80,918	$0.63M	0.1%	-52.2%	0.076%
2/14/2025	Northern Trust Corp	854,787	$6.68M	0.0%	+7.6%	0.805%
2/14/2025	Quarry LP	7,000	$55K	0.0%	N/A	0.007%
2/14/2025	Susquehanna Fundamental Investments LLC	60,992	$0.48M	0.0%	N/A	0.057%
2/14/2025	Voya Investment Management LLC	25,640	$0.20M	0.0%	-5.4%	0.024%
2/14/2025	Adage Capital Partners GP L.L.C.	350,000	$2.74M	0.0%	-60.0%	0.330%
2/14/2025	Price T Rowe Associates Inc. MD	47,292	$0.37M	0.0%	+11.8%	0.045%
2/14/2025	Dark Forest Capital Management LP	13,319	$0.10M	0.0%	-42.2%	0.013%
2/14/2025	Silverarc Capital Management LLC	96,511	$0.76M	0.2%	+4.6%	0.091%
2/14/2025	Hsbc Holdings PLC	11,436	$87K	0.0%	N/A	0.011%
2/14/2025	Avoro Capital Advisors LLC	4,100,000	$32.06M	0.5%	N/A	3.863%
2/14/2025	Rock Springs Capital Management LP	552,741	$4.32M	0.2%	N/A	0.521%
2/14/2025	Tower Research Capital LLC TRC	11,725	$92K	0.0%	+109.6%	0.011%
2/14/2025	MetLife Investment Management LLC	50,265	$0.39M	0.0%	+11.1%	0.047%
2/14/2025	Dimensional Fund Advisors LP	342,229	$2.68M	0.0%	N/A	0.322%
2/13/2025	Walleye Capital LLC	432,846	$3.39M	0.0%	-0.6%	0.408%
2/13/2025	Barclays PLC	639,974	$5.01M	0.0%	+198.0%	0.603%
2/13/2025	University of Wisconsin Foundation	917,357	$7.17M	5.2%	+26.7%	0.864%
2/13/2025	Optimize Financial Inc	25,796	$0.20M	0.2%	N/A	0.024%
2/13/2025	Raymond James Financial Inc.	377,370	$2.95M	0.0%	N/A	0.356%
2/13/2025	Renaissance Technologies LLC	297,700	$2.33M	0.0%	-4.6%	0.281%
2/13/2025	Legal & General Group Plc	75,888	$0.59M	0.0%	-6.0%	0.072%
2/13/2025	Invesco Ltd.	36,236	$0.28M	0.0%	+12.0%	0.034%
2/13/2025	ADAR1 Capital Management LLC	515,138	$4.03M	0.8%	+7,752.7%	0.485%
2/13/2025	Federated Hermes Inc.	6,283	$49K	0.0%	+206.9%	0.006%
2/13/2025	Russell Investments Group Ltd.	25,241	$0.20M	0.0%	-41.9%	0.024%
2/13/2025	Wells Fargo & Company MN	50,338	$0.39M	0.0%	+28.6%	0.047%
2/12/2025	Geode Capital Management LLC	2,207,608	$17.27M	0.0%	+6.4%	2.080%
2/12/2025	Alliancebernstein L.P.	1,042,136	$8.15M	0.0%	+77.5%	0.982%
2/12/2025	Wellington Management Group LLP	334,805	$2.62M	0.0%	+4.9%	0.315%
2/12/2025	Pictet Asset Management Holding SA	3,007,034	$23.52M	0.0%	-7.4%	2.833%
2/12/2025	BIT Capital GmbH	47,469	$0.37M	0.0%	N/A	0.045%
2/12/2025	JPMorgan Chase & Co.	308,459	$2.41M	0.0%	+210.1%	0.291%
2/11/2025	Corebridge Financial Inc.	41,622	$0.33M	0.0%	-7.0%	0.039%
2/11/2025	Vanguard Group Inc.	5,692,331	$44.51M	0.0%	+13.7%	5.364%
2/11/2025	KLP Kapitalforvaltning AS	14,600	$0.11M	0.0%	N/A	0.014%
2/11/2025	American Century Companies Inc.	113,569	$0.89M	0.0%	+38.5%	0.107%
2/11/2025	Teacher Retirement System of Texas	24,442	$0.19M	0.0%	+36.4%	0.023%
2/11/2025	Intech Investment Management LLC	38,619	$0.30M	0.0%	+79.1%	0.036%
2/10/2025	Swiss National Bank	161,600	$1.26M	0.0%	+15.0%	0.152%
2/7/2025	PNC Financial Services Group Inc.	26,185	$0.21M	0.0%	+17.1%	0.025%
2/7/2025	Candriam S.C.A.	1,055,661	$8.26M	0.0%	+24.5%	0.995%
2/6/2025	Raymond James Financial Inc.	377,370	$2.95M	0.0%	N/A	0.356%
2/6/2025	Arizona State Retirement System	23,817	$0.19M	0.0%	+15.8%	0.022%
2/6/2025	Victory Capital Management Inc.	13,969	$0.11M	0.0%	+11.5%	0.013%
2/6/2025	Charles Schwab Investment Management Inc.	810,826	$6.34M	0.0%	+12.5%	0.764%
2/6/2025	Steward Partners Investment Advisory LLC	20,210	$0.16M	0.0%	-74.9%	0.019%
2/4/2025	Bank of New York Mellon Corp	248,156	$1.94M	0.0%	+3.9%	0.234%
1/31/2025	New York State Common Retirement Fund	16,367	$0.13M	0.0%	+24.3%	0.015%
1/30/2025	Rhumbline Advisers	129,980	$1.02M	0.0%	+3.3%	0.122%
1/28/2025	Gilliland Jeter Wealth Management LLC	39,439	$0.31M	0.1%	-14.6%	0.037%
1/24/2025	abrdn plc	329,338	$2.58M	0.0%	-30.0%	0.310%
1/24/2025	China Universal Asset Management Co. Ltd.	24,932	$0.20M	0.0%	+22.4%	0.023%
1/22/2025	Kingswood Wealth Advisors LLC	11,000	$86K	0.0%	N/A	0.010%
1/17/2025	Inspire Investing LLC	51,717	$0.40M	0.0%	-7.8%	0.049%
1/17/2025	SG Americas Securities LLC	36,325	$0.28M	0.0%	+18.3%	0.034%
1/17/2025	Bourgeon Capital Management LLC	30,254	$0.24M	0.0%	-8.5%	0.029%
1/15/2025	Hennion & Walsh Asset Management Inc.	94,494	$0.74M	0.0%	N/A	0.089%
1/14/2025	Assenagon Asset Management S.A.	242,602	$1.90M	0.0%	N/A	0.229%
1/10/2025	Harbor Capital Advisors Inc.	251,898	$1.97M	0.1%	+10.5%	0.237%
12/26/2024	JPMorgan Chase & Co.	99,467	$0.74M	0.0%	+77.4%	0.094%
12/13/2024	Exome Asset Management LLC	300,600	$2.22M	1.5%	N/A	0.283%

Data available starting January 2016

See Full Table

89bio, Inc., a clinical-stage biopharmaceutical company, focuses on the development and commercialization of therapies for the treatment of liver and cardio-metabolic diseases. Its lead product candidate is pegozafermin, a glycoPEGylated analog of fibroblast growth factor 21 for the treatment of nonalcoholic steatohepatitis; and for the treatment of severe hypertriglyceridemia. The company was incorporated in 2018 and is headquartered in San Francisco, California.

Today's Range

Now: $7.40

$6.92

$7.45

50 Day Range

MA: $7.56

$4.83

$11.08

52 Week Range

Now: $7.40

$4.16

$11.84

Volume

1,618,523 shs

Average Volume

1,314,190 shs

Market Capitalization

$1.08 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.25

Who are the company insiders with the largest holdings of 89bio?: 89bio's top insider shareholders include:
Ra Capital Management, LP (Director)
Rohan Palekar (CEO)
Quoc Le-Nguyen (Insider)
Charles Mcwherter (Director)
Edward Morrow Atkinson III (Director)
Kathleen Laporte (Director)
Learn More about top insider investors at 89bio.
Who are the major institutional investors of 89bio?: 89bio's top institutional shareholders include:
Assenagon Asset Management S.A. — 0.29%
Harbor Capital Advisors Inc. — 0.22%
Rhumbline Advisers — 0.10%
Hennion & Walsh Asset Management Inc. — 0.10%
Teacher Retirement System of Texas — 0.02%
Diversified Trust Co — 0.01%
Learn More about top institutional investors of 89bio stock.
Which institutional investors are buying 89bio stock?: During the previous quarter, ETNB stock was acquired by institutional investors including:
Assenagon Asset Management S.A.
Harbor Capital Advisors Inc.
Hennion & Walsh Asset Management Inc.
Rhumbline Advisers
Diversified Trust Co
GAMMA Investing LLC
Teacher Retirement System of Texas
During the previous year, these company insiders have bought 89bio stock:
Ra Capital Management, LP (Director)
Rohan Palekar (CEO)
Quoc Le-Nguyen (Insider)
Learn More investors buying 89bio stock.