Erasca Ownership | Who Owns Erasca?

Erasca Ownership Summary

Erasca is owned by 92.71% institutional investors, 9.48% insiders. Frazier life sciences management is the largest institutional shareholder, holding 8.21% of ERAS shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.95% of its assets in Erasca shares.

ERAS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Erasca	92.71%	9.48%	-2.18%
Sector	Healthcare Stocks	50.47%	12.28%	37.25%
Industry	Biotech Stocks	49.08%	12.05%	38.87%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Frazier life sciences management	24.98M	8.21%	$457.55M
Blackrock	10.61M	7.02%	$25.04M
T. rowe price investment management	21.19M	6.96%	$388.13M
Blackrock funding, inc. /de	21.15M	6.95%	$387.54M
Rtw investments, lp	17.95M	5.90%	$328.78M
Vr adviser	17.89M	5.88%	$327.78M
Vanguard group	12.81M	4.52%	$47.66M
Artal group	9.63M	4.42%	$22.73M
State street	12.18M	4.00%	$223.22M
Logos global management lp	12.15M	3.99%	$222.59M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Arch venture management	7.09M	11.81%	$129.92M
Frazier life sciences management	24.98M	9.96%	$457.55M
Vr adviser	17.89M	9.94%	$327.78M
Logos global management lp	12.15M	9.58%	$222.59M
Vivo capital	4.13M	6.90%	$75.61M
Cormorant asset management, lp	6.00M	5.63%	$109.92M
Stempoint capital lp	1.57M	4.94%	$28.69M
Affinity asset advisors	5.25M	4.35%	$96.18M
Siren	11.40M	4.23%	$208.81M
Acuta capital partners	265.20K	3.39%	$4.86M

Top Buyers

Holder	Shares	% Assets	Change
Artal group	9.63M	0.58%	4.91M
Price t rowe associates inc /md/	6.27M	0.01%	4.46M
Janus henderson group	3.71M	0.03%	3.71M
Blackrock	10.61M	0.00%	3.63M
State street	12.18M	0.01%	2.88M

Top Sellers

Holder	Shares	% Assets	Change
Vivo capital	4.13M	6.90%	-8.02M
Armistice capital	-	-	-6.17M
Balyasny asset management	658.17K	0.01%	-4.49M
5am venture management	-	-	-3.49M
Suvretta capital management	-	-	-3.43M

New Positions

Holder	Shares	% Assets	Change	Value
Janus henderson group	3.71M	0.03%	3.71M	$59.99M
Jennison associates	2.79M	0.03%	2.79M	$51.08M
Samlyn capital	2.26M	0.67%	2.26M	$41.35M
Sixth street partners management company	1.94M	0.00%	1.94M	$35.63M
Evergreen quality fund gp	1.38M	0.41%	1.38M	$25.20M

Sold Out

Holder	Change
Clearstead advisors	-2.00
Nelson, van denburg & campbell wealth management group	-18.00
Mai capital management	-23.00
Root financial partners	-34.00
Amundi	-80.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	272	16.24%	282,128,685	3.17%	92	1.00%	166	-5.68%	77	102.63%
Mar 31, 2026	228	44.30%	270,198,449	23.22%	95	1.59%	172	126.32%	38	-19.15%
Dec 31, 2025	49	-66.21%	24,840,571	-88.44%	8	0.15%	24	-60.66%	12	-70.73%
Sep 30, 2025	44	-67.88%	17,749,176	-91.74%	6	0.11%	18	-78.05%	15	-55.88%
Jun 30, 2025	142	-5.96%	218,120,987	5.95%	76	145.73%	85	13.33%	36	-20.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	8.39M	2.95%	-5.64K
Vanguard Morn Total Stk Mkt Idx Investor	8.39M	2.42%	-5.64K
State Street® SPDR® S&P® Biotech ETF	7.31M	2.11%	16.79K
iShares Russell 2000 ETF	5.58M	1.61%	-99.17K
T. Rowe Price US Small-Cap Core Equity	3.28M	1.16%	737.06K
T. Rowe Price Small-Cap Stock	3.28M	1.16%	717.66K
T. Rowe Price U.S. SC Value Eq Tr-Z	2.91M	1.03%	147.12K
Vanguard Institutional Extnd Mkt Idx Tr	2.75M	0.97%	46.50K
SPDR® S&P Biotech ETF	2.23M	0.79%	-13.57K
Fidelity Select Biotechnology	2.49M	0.72%	-39.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 01, 2026	Garner Ebun	Chief Legal Officer	Sell	$1.31M
Mar 04, 2026	Morris Shannon	Chief Medical Officer	Sell	$300.76K
Jan 07, 2026	Garner Ebun	General Counsel & Corp. Sec.	Sell	$670.81K
May 21, 2024	Casdin Alexander W.	-	Buy	$181.92K
Dec 06, 2023	Start Valerie Denise Harding	-	Buy	$18.48K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	-
2026 Q2	-	1
2026 Q1	-	2
2025 Q4	-	-
2025 Q2	-	-

ERAS Ownership FAQ

Who Owns Erasca?

Erasca shareholders are primarily institutional investors at 92.71%, followed by 9.48% insiders and -2.19% retail investors. The average institutional ownership in Erasca's industry, Biotech Stocks , is 49.08%, which Erasca exceeds.

Who owns the most shares of Erasca?

Erasca’s largest shareholders are Frazier life sciences management (24.98M shares, 8.21%), Blackrock (10.61M shares, 7.02%), and T. rowe price investment management (21.19M shares, 6.96%). Together, they hold 22.19% of Erasca’s total shares outstanding.

Does Blackrock own Erasca?

Yes, BlackRock owns 7.02% of Erasca, totaling 10.61M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 25.04M$. In the last quarter, BlackRock increased its holdings by 3.63M shares, a 52.00% change.

Who is Erasca’s biggest shareholder by percentage of total assets invested?

Arch venture management is Erasca’s biggest shareholder by percentage of total assets invested, with 11.81% of its assets in 7.09M Erasca shares, valued at 129.92M$.

Who is the top mutual fund holder of Erasca shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Erasca shares, with 2.95% of its total shares outstanding invested in 8.39M Erasca shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools