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13F-HR/A filed by O'Connor Alternative Investments LLC

O'Connor Alternative Investments LLC filed this 13F-HR/A for the quarter ended 2026-03-31, filed 2026-08-14, with 6 holding rows worth $741,338,963.

Accession
0002081629-26-000006
Filed
2026-08-14
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, amendment of type new holdings, 6 entries on the cover page, a total value of $741,338,963 stated on the cover page (in dollars after the unit check, H1), rows summing to $741,338,963 with VALUE read as dollars as filed, 13F file number 028-26950. Its rows are added to the quarter's base report (NEW HOLDINGS). 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
CHART INDS INC16115Q308COM2,018,343$417,292,415dollars as filed
CLEARWATER ANALYTICS HLDGS I185123106CL A6,409,535$151,585,502dollars as filed
MASIMO CORP COM574795100Stock412,903$73,443,057dollars as filed
ARCELLX INC COMMON STOCK03940C100Stock450,504$51,726,869dollars as filed
COTERRA ENERGY INC COM127097103Stock1,002,337$35,222,121dollars as filed
APELLIS PHARMACEUTICALS INC03753U106COM300,000$12,068,999dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0002081629-26-000003 base2026-05-15acceptance time not in the bulk data set
13F-HR/A 0002081629-26-000006this filing2026-08-14acceptance time not in the bulk data set