Skip to content

13F-HR filed by Twin Securities, Inc.

Twin Securities, Inc. filed this 13F-HR for the quarter ended 2026-03-31, filed 2026-05-15, with 17 holding rows worth $206,104,895.

Accession
0001172661-26-002293
Filed
2026-05-15
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2026

A holdings report, 17 entries on the cover page, a total value of $206,104,895 stated on the cover page (in dollars after the unit check, H1), rows summing to $206,104,895 with VALUE read as dollars as filed, 13F file number 028-11568. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
ELECTRONIC ARTS INC COM285512109Stock446,948$91,119,289dollars as filed
WARNER BROS DISCOVERY INC COM SER A934423104Stock1,299,915$35,695,666dollars as filed
CLEARWATER ANALYTICS HLDGS I185123106CL A1,164,090$27,530,728dollars as filed
HOLOGIC INC436440101COM179,036$13,533,331dollars as filed
KENVUE INC49177J102COM480,517$8,284,113dollars as filed
ARCELLX INC COMMON STOCK03940C100Stock53,982$6,198,213dollars as filed
TERNS PHARMACEUTICALS INC COM880881107Stock115,958$6,113,306dollars as filed
APELLIS PHARMACEUTICALS INC03753U106COM127,440$5,126,911dollars as filed
REVOLUTION MEDICINES INC COM76155X100Stock39,000$3,792,750dollars as filedput
REVOLUTION MEDICINES INC COM76155X100Stock38,593$3,753,169dollars as filed
ONESTREAM INC68278B107CL A60,372$1,448,928dollars as filed
TAKE-TWO INTERACTIVE SOFTWARE COM874054109Stock6,500$1,283,750dollars as filed
Day One Biopharmaceuticals Inc23954D109Common Stock31,626$678,061dollars as filed
ATRIUM THERAPEUTICS INC COM04965N104Stock49,913$667,337dollars as filed
ACUREN CORP00510N102COM77,339$508,891dollars as filed
MANCHESTER UTD PLC NEWG5784H106CMN14,920$250,954dollars as filed
SURGERY PARTNERS INC86881A100COM10,025$119,498dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001172661-26-002293this filing2026-05-15acceptance time not in the bulk data set