Manager record

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM

Chicago, IL · CIK 1132716 · EDGAR filings ↗

Cover-page record: Trade Filings parses every position for its tracked managers; for this filer it indexes the cover-page totals of each quarterly 13F report on SEC EDGAR.

$380.23MReported 13F valueQ4 2025 · as filed

1Holdings listed

+32.7%vs prior quartervalue change includes market moves

7Quarters on record

Aug 14Latest filed

Reported 13F value by quarter from the cover pages of this filer (live documents; sub-portfolio reports summed), with holdings listed beneath each bar.

Filing record

Aug 14 2026 13F-HR/A · period Q3 2025

$286.45M · 2 holdings listed · amendment (new holdings) · View original SEC filing ↗

Aug 14 2026 13F-HR/A · period Q2 2025

$90.45M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

Aug 14 2026 13F-HR/A · period Q4 2025

$380.23M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

May 15 2026 13F-HR/A · period Q3 2025

$780.44M · 4 holdings listed · amendment (new holdings) · View original SEC filing ↗

May 15 2026 13F-HR/A · period Q4 2025

$2.45B · 13 holdings listed · amendment (new holdings) · View original SEC filing ↗

May 15 2026 13F-HR/A · period Q2 2025

$219.47M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

May 15 2026 13F-HR/A · period Q1 2025

$188.38M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

Mar 04 2026 13F-HR/A · period Q4 2025

$72.32M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

Feb 13 2026 13F-HR/A · period Q1 2025

$11.98M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

Feb 13 2026 13F-HR · period Q4 2025

$857.84M · 221 holdings listed · View original SEC filing ↗

Feb 13 2026 13F-HR/A · period Q3 2025

$616.06M · 5 holdings listed · amendment (new holdings) · View original SEC filing ↗

Feb 13 2026 13F-HR/A · period Q4 2024

$143.53M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

Feb 13 2026 13F-HR/A · period Q2 2025

$633.72M · 4 holdings listed · amendment (new holdings) · View original SEC filing ↗

Jan 15 2026 13F-HR/A · period Q3 2025

$1.66B · 263 holdings listed · amendment (restatement) · View original SEC filing ↗

Nov 14 2025 13F-HR/A · period Q3 2024

$21.32M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

Nov 14 2025 13F-HR/A · period Q4 2024

$93.95M · 1 holdings listed · amendment (new holdings) · View original SEC filing ↗

Nov 14 2025 13F-HR/A · period Q1 2025

$698.50M · 4 holdings listed · amendment (new holdings) · View original SEC filing ↗

Nov 14 2025 13F-HR/A · period Q2 2025

$790.67M · 7 holdings listed · amendment (new holdings) · View original SEC filing ↗

Nov 14 2025 13F-HR · period Q3 2025

$927.54M · 176 holdings listed · View original SEC filing ↗

Aug 14 2025 13F-HR/A · period Q3 2024

$1.01B · 4 holdings listed · amendment (new holdings) · View original SEC filing ↗

Aug 14 2025 13F-HR/A · period Q4 2024

$1.32B · 8 holdings listed · amendment (new holdings) · View original SEC filing ↗

Aug 14 2025 13F-HR · period Q2 2025

$1.95B · 354 holdings listed · View original SEC filing ↗

Aug 14 2025 13F-HR/A · period Q1 2025

$2.10B · 12 holdings listed · amendment (new holdings) · View original SEC filing ↗

Aug 14 2025 13F-HR/A · period Q2 2024

$567.93M · 2 holdings listed · amendment (new holdings) · View original SEC filing ↗

Provenance: Cover-page totals from the quarterly 13F reports of this filer on SEC EDGAR; position-level holdings are parsed for tracked managers only. Reporting period: Q4 2025 · latest filing Aug 14, 2026 · Change methodology

☆ OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM