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ERAS · Erasca, Inc. · Shareholders & Ownership

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$14.83 +0.21 (+1.41%)
Market Cap
$5.11B
Shares
349.76M
Volume · Oct 21 373.88K Avg daily vol (3M) 4.32M

Every disclosed holder of ERAS in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns ERAS

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 283,756,823 81.13%
Insiders (Forms 3, 4, 5) 477,922 0.14%
13D/G-only blocks 84,132,710 24.05%
Remaining 18,605,420 -5.32%
Registered funds (N-PORT, not summed) 79,632,618 22.77%

Shares outstanding: 349,762,035, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of ERAS

# Holder Shares
1
Jonathan E. Lim
13G CIK 1872305 · Unknown · Jun 30, 2026
Rule 13d-1(d), exempt investor
36,968,486
2
Frazier Life Sciences Management, L.P.
13F CIK 1892134 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
24,975,188
3
T. Rowe Price Investment Management, Inc.
13F CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
21,185,839
4
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
21,154,146
4.1
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
5,137,080
4.2
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,667,210
4.3
iShares Biotechnology ETF
Fund S000004350 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,325,097
4.4
BlackRock Health Sciences Opportunities Portfolio
Fund S000001877 · Registered fund · May 29, 2026
BlackRock Funds, not summed
709,864
4.5
Master Small Cap Index Series
Fund S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
362,015
5
RTW INVESTMENTS, LP
13F CIK 1493215 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
17,946,754
6
Venrock Adviser, LLC
13F CIK 1615982 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
17,891,812
7
Venrock Healthcare Capital Partners III, L.P.
13G CIK 1738048 · Unknown · Mar 31, 2026
Rule 13d-1(c), passive investor
16,382,812
8
James N. Topper
13G CIK 1863769 · Unknown · Jun 30, 2025
Rule 13d-1(c), passive investor
15,038,753
9
Novartis Pharma AG
13G CIK 1030617 · Unknown · Dec 31, 2024
Rule 13d-1(c), passive investor
12,307,692
10
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
12,184,555
10.1
State Street(R) SPDR(R) S&P(R) Biotech ETF
Fund S000010018 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
7,447,165
10.2
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
68,000
10.3
State Street Total Return V.I.S. Fund
Fund S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
5,053
10.4
State Street Balanced Index Fund
Fund S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
1,427
11
Logos Global Management LP
13F CIK 1792126 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
12,150,000
12
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
11,402,199
13
Siren, L.L.C.
13F CIK 2005245 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
11,397,781
14
Paradigm Biocapital Advisors LP
13F CIK 1855655 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
9,550,000
15
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
8,384,454
16
ARCH Venture Management, LLC
13F CIK 1274403 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
7,091,557
17
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,501,426
18
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,272,508
18.1
T. Rowe Price Capital Appreciation Fund
Fund S000002070 · Registered fund · Jun 30, 2026
T. ROWE PRICE CAPITAL APPRECIATION FUND, INC., not summed
6,954,600
18.2
T. Rowe Price Small-Cap Stock Fund, Inc.
Fund S000002120 · Registered fund · Jun 30, 2026
T. ROWE PRICE SMALL-CAP STOCK FUND, INC., not summed
3,334,921
18.3
T. Rowe Price Health Sciences Fund, Inc.
Fund S000002088 · Registered fund · Jun 30, 2026
T. ROWE PRICE HEALTH SCIENCES FUND, INC., not summed
2,584,513
18.4
T. Rowe Price Institutional Small-Cap Stock Fund
Fund S000002094 · Registered fund · Jun 30, 2026
T. Rowe Price Equity Funds, Inc., not summed
1,786,568
18.5
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
1,435,300
19
Cormorant Asset Management, LP
13F CIK 1583977 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,000,000
20
Affinity Asset Advisors, LLC
13F CIK 1773195 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,250,000
21
Assenagon Asset Management S.A.
13F CIK 1546007 · Unknown · Sep 30, 2026
4,128,332
22
Vivo Capital, LLC
13F CIK 1674712 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,127,412
23
ALLIANCEBERNSTEIN L.P.
13F CIK 1109448 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,118,614
23.1
AB Small Cap Growth Portfolio
Fund S000010309 · Registered fund · Jun 30, 2026
AB CAP FUND, INC., not summed
999,951
23.2
AB DISCOVERY GROWTH FUND, INC.
Fund S000010117 · Registered fund · Jun 30, 2026
AB DISCOVERY GROWTH FUND, INC., not summed
852,393
23.3
Small Cap Core Portfolio
Fund S000051867 · Registered fund · Jun 30, 2026
Bernstein Fund Inc, not summed
243,251
23.4
AB Small Cap Growth Portfolio
Fund S000010435 · Registered fund · Jun 30, 2026
AB VARIABLE PRODUCTS SERIES FUND, INC., not summed
19,344
23.5
Tax-Aware Overlay A Portfolio
Fund S000027648 · Registered fund · Jun 30, 2026
BERNSTEIN SANFORD C FUND INC, not summed
5,914
24
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
3,822,113
24.1
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
46,793
24.2
Goldman Sachs Small Cap Growth Insights Fund
Fund S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
44,624
24.3
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
27,794
24.4
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
10,362
24.5
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
5,821
25
SUVRETTA CAPITAL MANAGEMENT, LLC
13G CIK 1569064 · Registered investment adviser · Mar 31, 2026
Rule 13d-1(b), qualified institution
3,434,967
26
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
3,048,737
27
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,883,417
27.1
Select Biotechnology Portfolio
Fund S000007486 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
2,533,680
27.2
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
2,409,217
27.3
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
1,233,143
27.4
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
447,468
27.5
Fidelity Series Total Market Index Fund
Fund S000065248 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
364,924
28
a16z Capital Management, L.L.C.
13F CIK 1540358 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,862,500
29
Woodline Partners LP
13F CIK 1784547 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,831,867
30
JENNISON ASSOCIATES LLC
13F CIK 53417 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,788,412
31
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,746,433
32
Soleus Capital Management, L.P.
13F CIK 1802630 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
2,700,000
33
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,389,864
34
SAMLYN CAPITAL, LLC
13F CIK 1421097 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,256,986
35
BNP PARIBAS ARBITRAGE, SA
13F CIK 1166588 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
2,042,034
36
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,958,120
36.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
101,753
36.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
26,817
37
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,944,790
37.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
1,147,686
37.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
536,087
37.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
163,794
37.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
136,333
37.5
Schwab Small-Cap Equity Fund
Fund S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
45,513
38
VICTORY CAPITAL MANAGEMENT INC
13F CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,936,462
38.1
Victory Pioneer Select Mid Cap Growth Fund
Fund S000089755 · Registered fund · May 31, 2026
Victory Portfolios IV, not summed
1,332,535
38.2
VictoryShares US Small Mid Cap Value Momentum ETF
Fund S000065161 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
206,467
38.3
Victory Pioneer Select Mid Cap Growth VCT Portfolio
Fund S000089715 · Registered fund · Jun 30, 2026
Victory Variable Insurance Funds II, not summed
94,029
38.4
Victory Small Cap Stock Fund
Fund S000012914 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
50,172
38.5
Victory Extended Market Index Fund
Fund S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
21,618
39
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,841,735
39.1
Nuveen Quant Small Cap Equity Fund
Fund S000005386 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
733,960
39.2
Nuveen Quant Small/Mid Cap Equity Fund
Fund S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
293,000
39.3
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
287,792
39.4
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
282,316
39.5
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
157,959
40
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,763,980
40.1
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
402,637
40.2
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
336,298
40.3
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
263,455
40.4
U.S. MICRO CAP PORTFOLIO
Fund S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
152,063
40.5
Dimensional U.S. Equity Market ETF
Fund S000070902 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
33,981
41
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,697,991
42
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,596,662
43
STEMPOINT CAPITAL LP
13F CIK 1952142 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,565,913
44
JNL/T. Rowe Price Capital Appreciation Fund
Fund S000068115 · Registered fund · Jun 30, 2026
JNL Series Trust, not summed
1,523,521
45
Rock Springs Capital Management LP
13F CIK 1595725 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,402,150
46
Evergreen Quality Fund GP, Ltd.
13F CIK 2016939 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,375,300
47
RENAISSANCE TECHNOLOGIES LLC
13F CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,368,918
48
FRED ALGER MANAGEMENT, LLC
13F CIK 3520 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,308,455
48.1
ALGER SMALL CAP FOCUS FUND
Fund S000020958 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
954,145
48.2
ALGER SMALL CAP GROWTH FUND
Fund S000009160 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
130,062
48.3
Alger Small Cap Growth Portfolio
Fund S000009215 · Registered fund · Jun 30, 2026
ALGER PORTFOLIOS, not summed
76,940
48.4
ALGER SMALL CAP GROWTH INSTITUTIONAL FUND
Fund S000009202 · Registered fund · Jul 31, 2026
ALGER INSTITUTIONAL FUNDS, not summed
50,518
48.5
ALGER HEALTH SCIENCES FUND
Fund S000009164 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
32,291
49
SILVERARC CAPITAL MANAGEMENT, LLC
13F CIK 1816307 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,263,026
50
Point72 Asset Management, L.P.
13F CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,247,203

49 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 370 holders

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Key facts CIK 1761918 CUSIP 29479A108 13F (30d) 19 filings 19 filers Visit website Investor relations