13F Insight
DOSSIER · 13F-HR · Q3 2026

BRIGHT ROCK CAPITAL MANAGEMENT, LLC

$529M in tracked AUM across 72 positions as of Q3 2026.

BR
CIK 0001509973 · last filed Sep 30, 2026
Total AUM
$529M
as of Q3 2026
Holdings
72
—
positions
Whale Score
61
61
tracked
Activity
—
no data
changes this Q
AI Analysis · Q3 2026

BRIGHT ROCK CAPITAL MANAGEMENT, LLC filed its latest 13F-HR for Q3 2026. See the latest holdings and position changes below.

Quarter at a glance — Q3 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2026.

#HoldingValueSharesWeight
01
MSFT
MICROSOFT CORP
$38M74K7.2%02
GOOGL
ALPHABET INC
$27M78K5.1%03
NVDA
NVIDIA CORPORATION
$25M110K4.7%04
MA
MASTERCARD INCORPORATED
$21M38K3.9%05
MRK
MERCK & CO INC
$21M142K3.9%06
AAPL
APPLE INC
$19M56K3.5%07
TMO
THERMO FISHER SCIENTIFIC INC
$19M28K3.5%08
AMZN
AMAZON COM INC
$15M59K2.8%09
UNP
UNION PAC CORP
$15M54K2.8%10
NKE
NIKE INC
$14M398K2.7%

Filing history

2026Q3Sep 30
$529M▲ 6.0%
72 positionsView →2026Q2Jun 30
$499M▼ 1.4%
73 positionsView →2026Q1Mar 31
$506M▼ 0.5%
75 positionsView →2025Q4Dec 31
$509M▼ 0.3%
77 positionsView →2025Q3Sep 30
$510M▲ 3.3%
73 positionsLocked2025Q2Jun 30
$494M▲ 4.1%
74 positionsLocked2025Q1Mar 31
$475M▲ 1.2%
76 positionsLocked2024Q4Dec 31
$469M▼ 5.7%
71 positionsLocked2024Q3Sep 30
$497M▲ 4.8%
71 positionsLocked2024Q2Jun 30
$474M▼ 1.7%
70 positionsLocked2024Q1Mar 31
$483M▲ 9.3%
69 positionsLocked2023Q4Dec 31
$442M▲ 7.8%
68 positionsLocked
Showing 12 of 59