ERASCA INC (ERAS) Top Institutional Shareholders
ERASCA INC (ERAS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $4.00B in ERAS holdings during the latest filing period.
Frazier Life Sciences Management, L.P. is currently the largest disclosed institutional shareholder of ERAS tracked by InsiderSet, reporting ownership valued at approximately $399.24M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $344.96M, representing an estimated loss of -13.60% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed ERAS value among the investors covered in this analysis. Major shareholders include Frazier Life Sciences Management, L.P., Blackrock, Inc., Venrock Adviser, Llc, and several other long-term asset managers with concentrated positions in ERASCA INC (ERAS).
This page ranks the largest institutional ERAS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
221
Total Reported Value
$4.00B
Largest Holder
Frazier Life Sciences Management, L.P.
Largest Position
$399.24M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
185
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 10.27% | 24,675,188 | $399,244,542 | $344,959,128 | -$54,285,414 | -13.60% | |
| Blackrock, Inc. | 0.01% | 20,151,406 | $326,049,749 | $281,716,656 | -$44,333,093 | -13.60% | |
| Venrock Adviser, Llc | 9.89% | 16,382,812 | $265,073,898 | $229,031,712 | -$36,042,186 | -13.60% | |
| Rtw Investments, Lp | 2.60% | 16,157,175 | $261,423,092 | $225,877,307 | -$35,545,786 | -13.60% | |
| Vivo Capital, Llc | 16.41% | 12,151,480 | $196,610,946 | $169,877,690 | -$26,733,256 | -13.60% | |
| Vanguard Capital Management Llc | 0.00% | 11,249,738 | $182,020,761 | $157,271,337 | -$24,749,424 | -13.60% | |
| Siren, L.L.C. | 5.04% | 11,244,246 | $181,931,900 | $157,194,559 | -$24,737,341 | -13.60% | |
| Logos Global Management Lp | 9.29% | 11,150,000 | $180,407,000 | $155,877,000 | -$24,530,000 | -13.60% | |
| Paradigm Biocapital Advisors Lp | 3.44% | 10,392,702 | $168,153,918 | $145,289,974 | -$22,863,944 | -13.60% | |
| State Street Corp | 0.01% | 9,300,084 | $150,475,359 | $130,015,174 | -$20,460,185 | -13.60% | |
| Arch Venture Management, Llc | 16.95% | 7,091,557 | $114,741,392 | $99,139,967 | -$15,601,425 | -13.60% | |
| Geode Capital Management, Llc | 0.01% | 5,996,149 | $97,036,534 | $83,826,163 | -$13,210,371 | -13.61% | |
| Cormorant Asset Management, Lp | 4.73% | 5,800,000 | $93,844,000 | $81,084,000 | -$12,760,000 | -13.60% | |
| Affinity Asset Advisors, Llc | 5.08% | 5,350,000 | $86,563,000 | $74,793,000 | -$11,770,000 | -13.60% | |
| Balyasny Asset Management L.P. | 0.16% | 5,143,985 | $83,229,677 | $71,912,910 | -$11,316,767 | -13.60% | |
| Goldman Sachs Group Inc | 0.01% | 4,875,186 | $78,880,509 | $68,155,100 | -$10,725,409 | -13.60% | |
| Janus Henderson Group Plc | 0.03% | 3,710,966 | $59,987,765 | $51,879,305 | -$8,108,460 | -13.52% | |
| 5Am Venture Management, Llc | 15.66% | 3,485,971 | $56,403,011 | $48,733,875 | -$7,669,136 | -13.60% | |
| Suvretta Capital Management, Llc | 1.51% | 3,434,967 | $55,577,766 | $48,020,839 | -$7,556,927 | -13.60% | |
| Commodore Capital Lp | 2.97% | 3,175,000 | $51,371,500 | $44,386,500 | -$6,985,000 | -13.60% | |
| Bank Of America Corp | 0.00% | 3,055,897 | $49,444,413 | $42,721,440 | -$6,722,973 | -13.60% | |
| A16Z Capital Management, L.L.C. | 3.59% | 2,862,500 | $46,315,250 | $40,017,750 | -$6,297,500 | -13.60% | |
| Woodline Partners Lp | 0.17% | 2,831,538 | $45,814,285 | $39,584,901 | -$6,229,384 | -13.60% | |
| Adage Capital Partners Gp, L.L.C. | 0.05% | 2,100,000 | $33,978,000 | $29,358,000 | -$4,620,000 | -13.60% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,898,224 | $30,713,264 | $26,537,172 | -$4,176,092 | -13.60% | |
| Silverarc Capital Management, Llc | 3.53% | 1,851,812 | $29,962,318 | $25,888,332 | -$4,073,986 | -13.60% | |
| Ubs Group Ag | 0.01% | 1,848,580 | $29,910,024 | $25,843,148 | -$4,066,876 | -13.60% | |
| Dimensional Fund Advisors Lp | 0.01% | 1,786,389 | $28,872,580 | $24,973,718 | -$3,898,862 | -13.50% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,773,757 | $28,699,388 | $24,797,123 | -$3,902,265 | -13.60% | |
| Northern Trust Corp | 0.00% | 1,701,623 | $27,532,261 | $23,788,690 | -$3,743,571 | -13.60% | |
| Victory Capital Management Inc | 0.02% | 1,654,497 | $26,769,762 | $23,129,868 | -$3,639,894 | -13.60% | |
| Vanguard Fiduciary Trust Co | 0.01% | 1,537,915 | $24,883,465 | $21,500,052 | -$3,383,413 | -13.60% | |
| Fmr Llc | 0.00% | 1,490,080 | $24,109,497 | $20,831,318 | -$3,278,179 | -13.60% | |
| Renaissance Technologies LLC | Jim Simons | 0.04% | 1,398,869 | $22,633,700 | $19,556,189 | -$3,077,511 | -13.60% |
| D. E. Shaw & Co., Inc. | 0.02% | 1,219,534 | $19,732,060 | $17,049,085 | -$2,682,975 | -13.60% | |
| Rock Springs Capital Management Lp | 1.05% | 1,103,469 | $17,854,128 | $15,426,497 | -$2,427,631 | -13.60% | |
| Bnp Paribas Financial Markets | 0.01% | 1,087,301 | $17,592,530 | $15,200,468 | -$2,392,062 | -13.60% | |
| Morgan Stanley | 0.00% | 989,210 | $16,005,428 | $13,829,156 | -$2,176,272 | -13.60% | |
| Ecor1 Capital, Llc | 0.62% | 900,000 | $14,562,000 | $12,582,000 | -$1,980,000 | -13.60% | |
| First Turn Management, Llc | 1.57% | 867,639 | $14,038,399 | $12,129,593 | -$1,908,806 | -13.60% | |
| Holocene Advisors, Lp | 0.03% | 760,722 | $12,308,482 | $10,634,894 | -$1,673,588 | -13.60% | |
| Invesco Ltd. | 0.00% | 759,932 | $12,295,700 | $10,623,849 | -$1,671,851 | -13.60% | |
| Integral Health Asset Management, Llc | 0.60% | 700,000 | $11,326,000 | $9,786,000 | -$1,540,000 | -13.60% | |
| Point72 Asset Management, L.P. | 0.02% | 693,309 | $11,217,740 | $9,692,460 | -$1,525,280 | -13.60% | |
| Aqr Capital Management Llc | 0.01% | 691,205 | $11,183,697 | $9,663,046 | -$1,520,651 | -13.60% | |
| Ameriprise Financial Inc | 0.00% | 670,597 | $10,850,260 | $9,374,946 | -$1,475,314 | -13.60% | |
| Alliancebernstein L.P. | 0.00% | 2,644,920 | $9,839,102 | $36,975,982 | +$27,136,880 | +275.81% | |
| Wellington Management Group Llp | 0.00% | 595,379 | $9,633,233 | $8,323,398 | -$1,309,835 | -13.60% | |
| Millennium Management Llc | 0.01% | 575,996 | $9,319,615 | $8,052,424 | -$1,267,191 | -13.60% | |
| Exoduspoint Capital Management, Lp | 0.09% | 575,715 | $9,315,069 | $8,048,496 | -$1,266,573 | -13.60% |
Frequently asked questions about ERAS
Who owns the most ERAS stock?
The largest holders of ERAS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ERASCA INC (ERAS).
Is ERAS widely held by superinvestors?
Many widely followed stocks like ERAS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ERAS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.