Erasca Ownership | Who Owns Erasca?

Overview Forecast RevenueFinancials Chart

Erasca Ownership Summary

Erasca is owned by 76.98% institutional investors, 11.68% insiders, and 11.35% retail investors. Frazier life sciences management is the largest institutional shareholder, holding 8.02% of ERAS shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.58% of its assets in Erasca shares.

ERAS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Erasca	76.98%	11.68%	11.35%
Sector	Healthcare Stocks	488.17%	11.08%	-399.26%
Industry	Biotech Stocks	306.59%	11.10%	-217.69%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Frazier life sciences management	22.73M	8.02%	$28.87M
T. rowe price investment management	20.33M	7.18%	$25.82M
Blackrock	10.61M	7.02%	$25.04M
Vr adviser	17.86M	6.30%	$22.68M
Blackrock funding, inc. /de	15.17M	5.35%	$19.26M
Logos global management lp	15.00M	5.29%	$19.05M
Suvretta capital management	14.50M	5.12%	$18.42M
Vanguard group	12.67M	4.49%	$31.81M
Artal group	9.63M	4.42%	$22.73M
Arch venture management	11.06M	3.90%	$14.10M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Arch venture management	11.06M	4.71%	$14.10M
5am venture management	5.41M	3.24%	$13.57M
Edbi pte	888.89K	2.36%	$2.23M
Octagon capital advisors lp	5.14M	2.12%	$12.89M
Logos global management lp	15.00M	2.11%	$19.05M
Vr adviser	17.86M	1.70%	$22.68M
Ah capital management	2.86M	1.16%	$3.64M
Frazier life sciences management	22.73M	1.15%	$28.87M
Paradigm biocapital advisors lp	10.75M	0.94%	$26.99M
Vivo capital	6.76M	0.88%	$8.58M

Top Buyers

Holder	Shares	% Assets	Change
Octagon capital advisors lp	5.14M	2.12%	5.14M
Artal group	9.63M	0.58%	4.91M
Blackrock	10.61M	0.00%	3.63M
T. rowe price investment management	20.33M	0.02%	3.04M
Suvretta capital management	14.50M	0.56%	2.19M

Top Sellers

Holder	Shares	% Assets	Change
Armistice capital	-	-	-6.17M
Silverarc capital management	2.57M	0.60%	-4.80M
Pfm health sciences, lp	1.07M	0.12%	-2.42M
Schroder investment management group	-	-	-1.93M
Sofinnova investments	-	-	-1.88M

New Positions

Holder	Shares	% Assets	Change	Value
Octagon capital advisors lp	5.14M	2.12%	5.14M	$12.89M
Wellington management group llp	465.67K	0.00%	465.67K	$1.17M
Hrt financial lp	156.16K	0.00%	156.16K	$198.00K
Susquehanna portfolio strategies	37.30K	0.00%	37.30K	$47.37K
Los angeles capital management	35.08K	0.00%	35.08K	$44.55K

Sold Out

Holder	Change
Ifp advisors	-3.00
Nelson, van denburg & campbell wealth management group	-18.00
Amundi	-80.00
Us bancorp \de\	-84.00
Corecap advisors	-100.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	142	-5.96%	218,120,987	5.95%	76	145.73%	85	13.33%	36	-20.00%
Mar 31, 2025	153	4.08%	224,275,876	-2.85%	7	0.12%	76	-3.80%	45	18.42%
Dec 31, 2024	145	8.21%	211,469,201	-8.86%	74	1.11%	78	-	38	31.03%
Sep 30, 2024	134	5.51%	232,039,374	13.99%	82	0.94%	78	-13.33%	29	26.09%
Jun 30, 2024	127	15.45%	203,567,433	180.08%	93	4.04%	90	87.50%	23	-47.73%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	7.33M	2.58%	-162.46K
T. Rowe Price Small-Cap Value	6.12M	2.16%	983.12K
iShares Russell 2000 ETF	4.13M	1.46%	-78.64K
T. Rowe Price U.S. SC Value Eq Tr-D	3.95M	1.39%	1.03M
T. Rowe Price Small-Cap Stock	3.57M	1.26%	-4.19K
T. Rowe Price US Small-Cap Core Equity	3.57M	1.26%	-6.46K
T. Rowe Price U.S. SC Value Eq Tr-Z	2.91M	1.03%	147.12K
Vanguard Institutional Extnd Mkt Idx Tr	2.29M	0.81%	-981.29K
SPDR® S&P Biotech ETF	2.23M	0.79%	-13.57K
Fidelity Small Cap Index	1.89M	0.67%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 21, 2024	Casdin Alexander W.	-	Buy	$181.92K
Dec 06, 2023	Start Valerie Denise Harding	-	Buy	$18.48K
Dec 05, 2023	Lim Jonathan E	Chairman & CEO	Buy	$1.22M
Dec 06, 2023	Lim Jonathan E	Chairman & CEO	Buy	$478.42K
Dec 04, 2023	Casdin Alexander W.	-	Buy	$49.78K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	-
2025 Q1	-	-
2024 Q2	1	-
2024 Q1	-	-
2023 Q4	5	-

ERAS Ownership FAQ

Who Owns Erasca?

Erasca shareholders are primarily institutional investors at 76.98%, followed by 11.68% insiders and 11.34% retail investors. The average institutional ownership in Erasca's industry, Biotech Stocks , is 306.59%, which Erasca falls below.

Who owns the most shares of Erasca?

Erasca’s largest shareholders are Frazier life sciences management (22.73M shares, 8.02%), T. rowe price investment management (20.33M shares, 7.18%), and Blackrock (10.61M shares, 7.02%). Together, they hold 22.22% 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 4.71% of its assets in 11.06M Erasca shares, valued at 14.1M$.

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 2.58% of its total shares outstanding invested in 7.33M Erasca shares.

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