Ecor1 Capital, Llc Portfolio Stock Holdings

Ecor1 Capital, Llc disclosed 29 stock positions valued at approximately $2.3 billion in its latest SEC 13F filing. The largest holdings include ZYMEWORKS INC, ANAPTYSBIO INC, and CENTESSA PHARMACEUTICALS PLC. The filing reflects positions held as of March 31, 2026 and was filed on May 15, 2026.

Report Period
March 31, 2026
No. of Stocks
29
Portfolio Value
$2.3B
Holdings by Sector
Ecor1 Capital, Llc Portfolio Holdings in Q1 2026

20 holdings in the latest reporting period.

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CompanySymbolSectorPortfolio %SharesChange (Shares)Change %Value
ZYMEWORKS INCZYMEHealthcare24.58%22,970,388--$575,178,516
ANAPTYSBIO INCANABHealthcare18.68%7,880,094--$437,030,013
CENTESSA PHARMACEUTICALS PLCCNTAHealthcare10.18%6,000,000+2,885,000+92.62%$238,320,000
CRINETICS PHARMACEUTICALS INCRNXHealthcare6.66%4,288,120--$155,744,518
ORIC PHARMACEUTICALS INCORICHealthcare3.64%6,728,116--$85,245,230
CG ONCOLOGY INCCGONHealthcare3.19%1,102,000+330,000+42.75%$74,583,360
ETON PHARMACEUTICALS INCETONHealthcare2.29%2,171,938+141,394+6.96%$53,603,430
GALAPAGOS NVGLPGHealthcare2.14%1,667,119--$50,013,570
XENCOR INCXNCRHealthcare1.13%2,183,000-1,068,112-32.85%$26,326,980
NEUROGENE INCNGNEHealthcare1.10%1,271,342--$25,630,255
RELAY THERAPEUTICS INCRLAYHealthcare0.81%1,904,762+1,904,762+100.00%$18,952,382
ERASCA INCERASHealthcare0.62%900,000+900,000+100.00%$14,562,000
REPLIMUNE GROUP INCREPLHealthcare0.33%1,000,000+1,000,000+100.00%$7,650,000
PHATHOM PHARMACEUTICALS INCPHATHealthcare0.30%625,000+625,000+100.00%$6,943,750
MEREO BIOPHARMA GROUP PLCMREOHealthcare0.19%13,368,855+5,512,389+70.16%$4,411,722
STOKE THERAPEUTICS INCSTOKHealthcare0.14%100,000+100,000+100.00%$3,256,000
PRELUDE THERAPEUTICS INCPRLDHealthcare0.14%947,049+947,049+100.00%$3,238,908
IBIO INCIBIOHealthcare0.13%1,583,000-645,000-28.95%$3,007,700
ATARA BIOTHERAPEUTICS INCATRAHealthcare0.02%99,593-473,590-82.62%$471,075
SURROZEN INCSRZNWHealthcare0.01%4,444--$129,454
Ecor1 Capital, Llc Options Holdings in Q1 2026

1 options positions in the latest reporting period.

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QuarterSymbolCompanyOptionContractsNotional Value
Q1 2026CNTACentessa Pharmaceuticals plcCALL410,800$16,316,976

Notional value represents the total exposure of the options position.