Funds · ERAS

Who owns ERAS?

Institutional ownership of Erasca Inc. from Form 13F, Q2 2026

257 institutional managers reported holding Erasca Inc. (ERAS) in Form 13F filings for Q2 2026, with 281,177,119 shares worth $5.1B. The largest reported holder was Frazier Life Sciences Management, L.P. Managers that filed both quarters added a net 11,002,164 shares (+4.1%). 58 opened new positions and 27 sold out.

Funds holding
257
Value held
$5.1B
New / sold out
58 / 27
Net shares, same filers
+4.1%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of ERAS

FundValueShare of 13F holdingsSharesMove
Frazier Life Sciences Management, L.P.$458M8.9%24,975,188Added
T. Rowe Price Investment Management, Inc.$388M7.5%21,185,839Trimmed
BlackRock, Inc.$388M7.5%21,154,146Added
RTW Investments, LP$329M6.4%17,946,754Added
Venrock Adviser, LLC$328M6.4%17,891,812Added
State Street Corp$223M4.3%12,184,555Added
Logos Global Management LP$223M4.3%12,150,000Added
Vanguard Capital Management LLC$209M4.1%11,402,199Added
Siren, L.L.C.$209M4.1%11,397,781Added
Paradigm Biocapital Advisors LP$175M3.4%9,550,000Trimmed
ARCH Venture Management, LLC$130M2.5%7,091,557Unchanged
Geode Capital Management, LLC$119M2.3%6,501,426Added
Price T Rowe Associates Inc$115M2.2%6,272,508Added
Cormorant Asset Management, LP$110M2.1%6,000,000Added
Affinity Asset Advisors, LLC$96.2M1.9%5,250,000Trimmed
Vivo Capital, LLC$75.6M1.5%4,127,412Trimmed
Goldman Sachs Group Inc$70.0M1.4%3,822,113Trimmed
Alliancebernstein L.p.$66.6M1.5%4,118,614Added
Bank of America Corp$55.9M1.1%3,048,737Trimmed
FMR LLC$52.8M1.0%2,883,417Added
a16z Capital Management, L.L.C.$52.4M1.0%2,862,500Unchanged
Woodline Partners LP$51.9M1.0%2,831,867Unchanged
Jennison Associates LLC$51.1M1.0%2,788,412New
Soleus Capital Management, L.P.$49.5M1.0%2,700,000New
Vanguard Portfolio Management LLC$43.8M0.8%2,389,864Added

Share of 13F holdings is each fund's shares as a share of the 281,177,119 ERAS shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

  1. Price T Rowe Associates Inc Added+$81.7M
  2. State Street Corp Added+$52.8M
  3. Jennison Associates LLC New+$51.1M
  4. Soleus Capital Management, L.P. New+$49.5M
  5. Samlyn Capital, LLC New+$41.3M
  6. RTW Investments, LP Added+$32.8M
  7. Assenagon Asset Management S.A. New+$29.8M
  8. Venrock Adviser, LLC Added+$27.6M
  9. FMR LLC Added+$25.5M
  10. Evergreen Quality Fund GP, Ltd. New+$25.2M

Biggest sellers in Q2 2026

  1. Vivo Capital, LLC Trimmed-$147M
  2. Balyasny Asset Management L.P. Trimmed-$82.2M
  3. 5AM Venture Management, LLC Sold out-$56.4M
  4. Montanova Capital, LLC Sold out-$55.6M
  5. Commodore Capital LP Sold out-$51.4M
  6. Adage Capital Partners GP, L.l.c. Sold out-$34.0M
  7. Goldman Sachs Group Inc Trimmed-$19.3M
  8. Paradigm Biocapital Advisors LP Trimmed-$15.4M
  9. Holocene Advisors, LP Trimmed-$11.6M
  10. Silverarc Capital Management, LLC Trimmed-$10.8M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $833M and sold $607M; 101 added and 75 trimmed.

Schedule 13D and 13G filings on ERAS

Owners of more than 5% must file within days, so these can be newer than the 13F data.

Questions about ERAS ownership

Who owns ERAS stock?
257 institutional investment managers reported ERAS positions in their Form 13F filings for Q2 2026, holding 281,177,119 shares worth $5.1B in total. Frazier Life Sciences Management, L.P. reported the largest position.
Are funds buying or selling ERAS?
In Q2 2026, 58 managers opened new ERAS positions, 101 added, 75 trimmed and 27 sold out. Managers that filed in both quarters added a net 11,002,164 shares.
How current is this ERAS institutional ownership data?
It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to ERAS by CUSIP. Options are left out. ERAS news and filings · ERAS insider trades · Top funds