ERAS · Erasca, Inc.
Market Cap
$6.31B
Shares
349.76M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 258
Total Value: $5,292,838,051
Total Shares: 289,105,543
Showing 1–100
of 272 holdings by value
· page 1 of 3
Institutional Ownership Trend
20 quarters
Holder Concentration
Across 258 13F filers · Δ vs Mar 31, 2026Top Holder
8.6%
−0.3 pts
Top 5
35.7%
−0.0 pts
Top 10
55.3%
−0.8 pts
HHI
384
Broadly held−16
Quarterly Activity
vs Mar 31, 2026
New
62
Increased
105
Decreased
76
Sold Out
31
Unchanged
15
Holder count:
+31
Institutional value:
+18.5%
Shares held:
+4.8%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Large Caption Management, LLC | +4,892,725 | 5,505,225 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | +4,457,168 | 6,272,508 | |
| Mega STATE STREET CORP | +2,884,471 | 12,184,555 | |
| Large RTW INVESTMENTS, LP | +1,789,579 | 17,946,754 | |
| Small STEMPOINT CAPITAL LP | +1,526,052 | 1,765,913 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid Vivo Capital, LLC | −8,024,068 | 4,127,412 | |
| Large Balyasny Asset Management L.P. | −3,885,810 | 1,258,175 | |
| Mega GOLDMAN SACHS GROUP INC | −1,053,073 | 3,822,113 | |
| Mid Paradigm Biocapital Advisors LP | −842,702 | 9,550,000 | |
| Large Holocene Advisors, LP | −634,172 | 126,550 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega JENNISON ASSOCIATES LLC | 2,788,412 | $51,083,707 | |
| Mid Soleus Capital Management, L.P. | 2,700,000 | $49,464,000 | |
| Mid SAMLYN CAPITAL, LLC | 2,256,986 | $41,347,982 | |
| Mid Evergreen Quality Fund GP, Ltd. | 1,375,300 | $25,195,496 | |
| Large Assenagon Asset Management S.A. | 812,876 | $14,891,888 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega JANUS HENDERSON GROUP PLC | 3,710,966 | $60,043,429 | |
| Small 5AM Venture Management, LLC | 3,485,971 | $56,403,010 | |
| Mid SUVRETTA CAPITAL MANAGEMENT, LLC | 3,434,967 | $55,577,766 | |
| Mid Commodore Capital LP | 3,175,000 | $51,371,500 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | 2,100,000 | $33,978,000 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid Frazier Life Sciences Management, L.P. | $457,545,444 | 8.64% | 24,975,188 | Shares | 2026-08-14 | |
| Mega T. Rowe Price Investment Management, Inc. | $388,124,570 | 7.33% | 21,185,839 | Shares | 2026-08-14 | |
| Mega BlackRock, Inc. | $387,543,949 | 7.32% | 21,154,146 | Shares | 2026-08-07 | |
| Large RTW INVESTMENTS, LP | $328,784,533 | 6.21% | 17,946,754 | Shares | 2026-08-14 | |
| Mid Venrock Adviser, LLC | $327,777,995 | 6.19% | 17,891,812 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP | $223,221,047 | 4.22% | 12,184,555 | Shares | 2026-08-07 | |
| Mid Logos Global Management LP | $222,588,000 | 4.21% | 12,150,000 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $208,888,285 | 3.95% | 11,402,199 | Shares | 2026-08-13 | |
| Mid Siren, L.L.C. | $208,807,347 | 3.95% | 11,397,781 | Shares | 2026-08-13 | |
| Mid Paradigm Biocapital Advisors LP | $174,956,000 | 3.31% | 9,550,000 | Shares | 2026-08-14 | |
| Mid ARCH Venture Management, LLC | $129,917,324 | 2.45% | 7,091,557 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $119,106,123 | 2.25% | 6,501,426 | Shares | 2026-08-12 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $114,912,346 | 2.17% | 6,272,508 | Shares | 2026-08-14 | |
| Mid Cormorant Asset Management, LP | $109,920,000 | 2.08% | 6,000,000 | Shares | 2026-08-14 | |
| Mid Affinity Asset Advisors, LLC | $96,180,000 | 1.82% | 5,250,000 | Shares | 2026-08-13 | |
| Mid Vivo Capital, LLC | $75,614,187 | 1.43% | 4,127,412 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. | $75,453,008 | 1.43% | 4,118,614 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC | $70,021,109 | 1.32% | 3,822,113 | Shares | 2026-08-14 | |
| Large Caption Management, LLC | $68,535,120 | 1.29% | 3,741,000 | Call | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $55,852,860 | 1.06% | 3,048,737 | Shares | 2026-08-14 | |
| Mega FMR LLC | $52,824,198 | 1.00% | 2,883,417 | Shares | 2026-08-13 | |
| Large a16z Capital Management, L.L.C. | $52,441,000 | 0.99% | 2,862,500 | Shares | 2026-08-14 | |
| Large Woodline Partners LP | $51,879,803 | 0.98% | 2,831,867 | Shares | 2026-08-14 | |
| Mega JENNISON ASSOCIATES LLC | $51,083,707 | 0.97% | 2,788,412 | Shares | 2026-08-03 | |
| Mid Soleus Capital Management, L.P. | $49,464,000 | 0.93% | 2,700,000 | Shares | 2026-08-11 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $43,782,308 | 0.83% | 2,389,864 | Shares | 2026-08-13 | |
| Mid SAMLYN CAPITAL, LLC | $41,347,982 | 0.78% | 2,256,986 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $37,410,062 | 0.71% | 2,042,034 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $35,872,755 | 0.68% | 1,958,120 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $35,628,552 | 0.67% | 1,944,790 | Shares | 2026-08-14 | |
| Mega VICTORY CAPITAL MANAGEMENT INC | $35,475,983 | 0.67% | 1,936,462 | Shares | 2026-08-07 | |
| Mega Nuveen, LLC | $33,740,584 | 0.64% | 1,841,735 | Shares | 2026-08-11 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $32,316,111 | 0.61% | 1,763,980 | Shares | 2026-08-11 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $31,107,195 | 0.59% | 1,697,991 | Shares | 2026-08-13 | |
| Mega UBS Group AG | $29,250,847 | 0.55% | 1,596,662 | Shares | 2026-08-13 | |
| Small STEMPOINT CAPITAL LP | $28,687,526 | 0.54% | 1,565,913 | Shares | 2026-08-14 | |
| Mid Rock Springs Capital Management LP | $25,687,388 | 0.49% | 1,402,150 | Shares | 2026-08-14 | |
| Mid Evergreen Quality Fund GP, Ltd. | $25,195,496 | 0.48% | 1,375,300 | Shares | 2026-08-14 | |
| Large RENAISSANCE TECHNOLOGIES LLC | $25,078,577 | 0.47% | 1,368,918 | Shares | 2026-08-13 | |
| Large FRED ALGER MANAGEMENT, LLC | $23,970,895 | 0.45% | 1,308,455 | Shares | 2026-08-14 | |
| Small SILVERARC CAPITAL MANAGEMENT, LLC | $23,138,636 | 0.44% | 1,263,026 | Shares | 2026-08-13 | |
| Large Point72 Asset Management, L.P. | $22,848,758 | 0.43% | 1,247,203 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $22,780,920 | 0.43% | 1,243,500 | Call | 2026-08-14 | |
| Small First Turn Management, LLC | $22,381,928 | 0.42% | 1,221,721 | Shares | 2026-08-14 | |
| Large FEDERATED HERMES, INC. | $19,827,039 | 0.37% | 1,082,262 | Shares | 2026-08-12 | |
| Large Caption Management, LLC | $19,075,242 | 0.36% | 1,041,225 | Shares | 2026-08-14 | |
| Mid Integral Health Asset Management, LLC | $18,320,000 | 0.35% | 1,000,000 | Shares | 2026-08-14 | |
| Mega D. E. Shaw & Co., Inc. | $17,396,488 | 0.33% | 949,590 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC | $16,667,792 | 0.31% | 909,814 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. | $15,838,132 | 0.30% | 864,527 | Shares | 2026-08-14 | |
| Large Assenagon Asset Management S.A. | $14,891,888 | 0.28% | 812,876 | Shares | 2026-08-21 | |
| Large MARSHALL WACE, LLP | $13,868,074 | 0.26% | 756,991 | Shares | 2026-08-13 | |
| Large Caption Management, LLC | $13,245,360 | 0.25% | 723,000 | Put | 2026-08-14 | |
| Mega SCHRODER INVESTMENT MANAGEMENT GROUP | $13,185,361 | 0.25% | 719,725 | Shares | 2026-08-13 | |
| Mega CITIGROUP INC | $13,071,942 | 0.25% | 713,534 | Shares | 2026-08-03 | |
| Mega Capital World Investors | $12,908,308 | 0.24% | 704,602 | Shares | 2026-08-12 | |
| Mega JANE STREET GROUP, LLC | $12,752,552 | 0.24% | 696,100 | Call | 2026-08-14 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $12,484,729 | 0.24% | 681,481 | Shares | 2026-08-14 | |
| Mega TD Asset Management Inc | $12,112,304 | 0.23% | 661,152 | Shares | 2026-08-04 | |
| Large Balyasny Asset Management L.P. | $12,057,766 | 0.23% | 658,175 | Shares | 2026-08-14 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP | $12,005,057 | 0.23% | 655,298 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $11,433,639 | 0.22% | 624,107 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY | $11,284,676 | 0.21% | 615,976 | Shares | 2026-08-13 | |
| Large Balyasny Asset Management L.P. | $10,992,000 | 0.21% | 600,000 | Call | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $10,405,261 | 0.20% | 567,973 | Shares | 2026-08-06 | |
| Mega AMERIPRISE FINANCIAL INC | $10,038,169 | 0.19% | 547,935 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $9,649,144 | 0.18% | 526,700 | Put | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO | $9,171,064 | 0.17% | 500,604 | Shares | 2026-08-12 | |
| Mid ORBIMED ADVISORS LLC | $9,084,888 | 0.17% | 495,900 | Shares | 2026-08-14 | |
| Mid Polymer Capital Management (HK) LTD | $8,757,326 | 0.17% | 478,020 | Shares | 2026-08-13 | |
| Small KVP Capital Advisors, LP | $8,335,600 | 0.16% | 455,000 | Shares | 2026-08-13 | |
| Small Spruce Street Capital LP | $7,740,987 | 0.15% | 422,543 | Shares | 2026-08-13 | |
| Large Creative Planning | $7,435,702 | 0.14% | 405,879 | Shares | 2026-08-13 | |
| Mega Pictet Asset Management Holding SA | $7,205,036 | 0.14% | 393,288 | Shares | 2026-07-30 | |
| Mid Cinctive Capital Management LP | $7,174,881 | 0.14% | 391,642 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $6,961,600 | 0.13% | 380,000 | Call | 2026-08-14 | |
| Mid Rhenman & Partners Asset Management AB | $6,393,680 | 0.12% | 349,000 | Shares | 2026-08-13 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $6,369,057 | 0.12% | 347,656 | Shares | 2026-08-14 | |
| Large VOYA INVESTMENT MANAGEMENT LLC | $6,244,316 | 0.12% | 340,847 | Shares | 2026-08-12 | |
| Mid EcoR1 Capital, LLC | $6,045,600 | 0.11% | 330,000 | Shares | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank | $5,741,431 | 0.11% | 313,397 | Shares | 2026-08-14 | |
| Mega Swiss National Bank Bank | $5,714,008 | 0.11% | 311,900 | Shares | 2026-08-11 | |
| Small Seven Fleet Capital Management LP | $5,642,687 | 0.11% | 308,007 | Shares | 2026-08-17 | |
| Mega WELLS FARGO & COMPANY/MN | $5,322,381 | 0.10% | 290,523 | Shares | 2026-08-14 | |
| Mid Longaeva Partners L.P. | $5,245,419 | 0.10% | 286,322 | Shares | 2026-08-14 | |
| Mid SIMPLEX TRADING, LLC | $5,074,420 | 0.10% | 276,988 | Shares | 2026-08-12 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $4,875,683 | 0.09% | 266,140 | Shares | 2026-08-13 | |
| Mid E Fund Management Co., Ltd. | $4,861,779 | 0.09% | 265,381 | Shares | 2026-08-11 | |
| Small ACUTA CAPITAL PARTNERS, LLC | $4,858,445 | 0.09% | 265,199 | Shares | 2026-08-14 | |
| Small Parkman Healthcare Partners LLC | $4,739,090 | 0.09% | 258,684 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $4,696,643 | 0.09% | 256,367 | Shares | 2026-08-12 | |
| Mega CITADEL ADVISORS LLC | $4,354,664 | 0.08% | 237,700 | Put | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Bank | $4,072,645 | 0.08% | 222,306 | Shares | 2026-08-07 | |
| Mid ArrowMark Colorado Holdings LLC | $3,864,182 | 0.07% | 210,927 | Shares | 2026-08-13 | |
| Large Rafferty Asset Management, LLC | $3,782,402 | 0.07% | 206,463 | Shares | 2026-08-14 | |
| Large Man Group plc | $3,710,770 | 0.07% | 202,553 | Shares | 2026-08-14 | |
| Mid Tema ETFs LLC Mutual Fund | $3,342,264 | 0.06% | 182,438 | Shares | 2026-07-10 | |
| Large Tidal Investments LLC | $3,342,264 | 0.06% | 182,438 | Shares | 2026-08-13 | |
| Small Moody Aldrich Partners LLC | $3,259,842 | 0.06% | 177,939 | Shares | 2026-07-15 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $3,229,321 | 0.06% | 176,273 | Shares | 2026-08-24 |
Key facts
CIK
1761918
CUSIP
29479A108
13F (30d)
225 filings
223 filers
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