AnaptysBio Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:ANAB Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
02 Jan 25	BuyUS$1,099,642	EcoR1 Capital, LLC	Company	85,098	US$12.95
16 Sep 24	SellUS$86,425	Eric Loumeau	Individual	2,220	US$38.93
16 Sep 24	SellUS$86,425	Dennis Mulroy	Individual	2,220	US$38.93
14 Aug 24	BuyUS$9,999,978	EcoR1 Capital, LLC	Company	273,972	US$36.50
25 Mar 24	SellUS$3,389,452	Daniel Faga	Individual	148,940	US$22.78

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ANAB?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	647,124	1.71%
Public Companies	821,917	2.17%
VC/PE Firms	1,573,719	4.16%
Hedge Funds	11,387,932	30.1%
Institutions	23,381,523	61.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 108.16% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
25.9%	EcoR1 Capital, LLC	7,880,094	US$146.5m	0.08%	6.61%
9.96%	FMR LLC	3,029,838	US$56.3m	-8.44%	no data
8.38%	BlackRock, Inc.	2,548,468	US$47.4m	16.9%	no data
6.06%	The Vanguard Group, Inc.	1,843,740	US$34.3m	8.45%	no data
5.97%	Fairmount Funds Management LLC	1,816,466	US$33.8m	0%	3.29%
5.56%	Point72 Asset Management, L.P.	1,691,372	US$31.4m	680%	0.07%
5.17%	Frazier Life Sciences Management, LP	1,573,719	US$29.3m	-28.8%	1.27%
4.37%	Tang Capital Management, LLC	1,330,879	US$24.7m	0%	1.6%
4.27%	Boxer Capital Management, LLC	1,300,000	US$24.2m	0%	2.11%
4.23%	State Street Global Advisors, Inc.	1,285,755	US$23.9m	41.9%	no data
4.11%	Camber Capital Management LP	1,250,000	US$23.2m	0%	0.92%
3.04%	T. Rowe Price Group, Inc.	925,007	US$17.2m	0.2%	no data
2.86%	First Light Asset Management, LLC	868,882	US$16.2m	-8.36%	1.61%
2.77%	Palo Alto Investors LP	843,971	US$15.7m	0%	2.44%
2.7%	Sanofi	821,917	US$15.3m	0%	no data
1.6%	Geode Capital Management, LLC	486,597	US$9.0m	4.55%	no data
1.59%	Woodline Partners LP	485,073	US$9.0m	5.46%	0.06%
1.43%	Daniel Faga	436,466	US$8.1m	8.67%	no data
1.36%	Soleus Capital Management, L.P.	414,000	US$7.7m	0%	0.55%
1.18%	5AM Venture Management, LLC	357,733	US$6.7m	0%	1.89%
1.16%	Franklin Resources, Inc.	354,370	US$6.6m	0%	no data
1.16%	Two Sigma Investments, LP	352,034	US$6.5m	66.4%	0.02%
1.15%	Goldman Sachs Group, Investment Banking and Securities Investments	350,259	US$6.5m	38.7%	no data
1.1%	Victory Capital Management Inc.	334,450	US$6.2m	41%	0.01%
1.09%	Assenagon Asset Management S.A.	331,758	US$6.2m	-30.2%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/02/23 07:13
End of Day Share Price	2025/02/21 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

AnaptysBio, Inc. is covered by 21 analysts. 11 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Neena Bitritto-Garg	Baird
Eliana Merle	Cantor Fitzgerald & Co.
Alethia Young	Credit Suisse