DOSSIER · 13F-HR · Q1 2026

OMERS ADMINISTRATION Corp

OMERS ADMINISTRATION's family office based in Boston, MA — $15.6B in tracked AUM across 1,096 positions as of Q1 2026.

OA

OMERS ADMINISTRATION·Boston, MA·Family Office

CIK 0001053321 · last filed Mar 31, 2026

Total AUM

$15.6B

▲ 3.4%

vs prior

Holdings

1,096

—

positions

Whale Score

65

65

tracked

Activity

—

no data

changes this Q

Top sector

Tech

49% weight

concentration

AI Analysis · Q1 2026 · Q1 2026

Comprehensive Analysis of OMERS Administration Corp 13F Filing (Q3 2025)

1. Portfolio Overview

OMERS Administration Corp reported a significant contraction in its reported 13F portfolio for the quarter ending September 30, 2025. The total portfolio value decreased by 43.8%, dropping from $12.73 billion to $7.15 billion. This reduction is accompanied by a decrease in the number of holdings from a previous undisclosed count to 639 positions.

The drastic reduction in portfolio value...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight

01

VANGUARD INDEX FDS

$949M1.6M6.1%

02

NVIDIA CORPORATION

$834M4.8M5.4%

03

APPLE INC

$724M2.9M4.7%

04

AMAZON COM INC

$588M2.8M3.8%

05

BROOKFIELD BUSINESS CORP

$571M18.1M3.7%

06

MICROSOFT CORP

$511M1.4M3.3%

07

ALPHABET INC

$502M1.7M3.2%

08

COCA COLA CO

$257M3.4M1.7%

09

BANK AMERICA CORP

$242M5.0M1.6%

10

ELI LILLY & CO

$231M252K1.5%

Filing history

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