Bright Rock Capital Management, LLC

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 4, 2025), Bright Rock Capital Management, LLC reported 73 stock positions worth $510.2 million. Its top holding was Microsoft (MSFT) at 6.5% of the portfolio, followed by Alphabet Class A (GOOGL, 6.2%) and Mastercard Class A (MA, 3.3%). Compared with Q2 2025, it opened 1 new position, sold out of 2, added to 2 and reduced 2. The biggest buy was a new position in Fidelity MSCI Health Care (FHLC) and the biggest sale an exit from Unitedhealth (UNH).

Most Recent 13F
Q2 2026
Location
HANOVER, MA
CIK
0001509973
Portfolio Value
$510.2M (Q3 2025)
SEC Filing
0001509973-25-000005 ↗ filed Nov 4, 2025

Holdings Value

0$200.0M$400.0M$600.0M Q1 2024: $482.6M Q1 2024 Q2 2024: $474.4M Q2 2024 Q3 2024: $497.3M Q3 2024 Q4 2024: $468.9M Q4 2024 Q1 2025: $474.7M Q1 2025 Q2 2025: $494.0M Q2 2025 Q3 2025: $510.2M $510.2M Q3 2025 Q4 2025: $508.7M Q4 2025 Q1 2026: $505.9M Q1 2026 Q2 2026: $499.1M Q2 2026

Holdings 73 stocks · $510.2M

MSFT Microsoft Corp. 6.50% 64,000 $33.1M No change
GOOGL Alphabet Inc. Class A 6.19% 130,000 $31.6M Reduce -13.3%
MA Mastercard Inc. Class A 3.34% 30,000 $17.1M No change
AAPL Apple Inc. 2.79% 56,000 $14.3M No change
IYE iShares U.S. Energy ETF 2.79% 300,000 $14.3M No change
TJX TJX Companies Inc. filed as TJX COS INC NEW 2.62% 92,500 $13.4M No change
TMO Thermo Fisher Scientific Inc. 2.61% 27,500 $13.3M No change
VEEV Veeva Systems Inc. Class A 2.51% 43,000 $12.8M No change
CB Chubb Ltd. 2.49% 45,000 $12.7M No change
UNP Union Pacific Corp. 2.48% 53,500 $12.6M No change
BLK BlackRock Inc. 2.40% 10,500 $12.2M No change
SCHW Schwab (charles) Corp. 2.34% 125,000 $11.9M No change
MRK Merck & Co. Inc. 2.34% 142,000 $11.9M No change
CPRT Copart Inc. 2.19% 249,000 $11.2M No change
HON Honeywell International Inc. 2.17% 52,500 $11.1M No change
TXN Texas Instruments Inc. 2.12% 59,000 $10.8M No change
WST West Pharmaceutical Services 2.06% 40,000 $10.5M No change
NKE Nike Inc. Class B 2.05% 150,000 $10.5M No change
ORCL Oracle Corp. 1.93% 35,000 $9.8M No change
SLB SLB Ltd. filed as SCHLUMBERGER LTD 1.89% 280,000 $9.6M No change
PEP Pepsico Inc. 1.79% 65,000 $9.1M No change
INTU Intuit Inc. 1.67% 12,500 $8.5M No change
LIN Linde PLC 1.63% 17,500 $8.3M No change
NEE Nextera Energy Inc. 1.63% 110,000 $8.3M No change
SBUX Starbucks Corp. 1.58% 95,000 $8.0M No change
ICE Intercontinental Exchange Inc. 1.49% 45,000 $7.6M Add +50.0%
VZ Verizon Communications Inc. 1.46% 170,000 $7.5M No change
WMT Walmart Inc. 1.39% 69,000 $7.1M No change
ROP Roper Technologies Inc. 1.37% 14,000 $7.0M No change
JPM JPMorgan Chase & Co. 1.36% 22,000 $6.9M No change
ACN Accenture PLC Class A 1.35% 28,000 $6.9M No change
MKC McCormick & Co.-Non VTG SHRS 1.31% 100,000 $6.7M No change
FHLC Fidelity MSCI Health Care 1.31% 100,000 $6.7M New
ANET Arista Networks Inc. 1.29% 45,000 $6.6M No change
V Visa Inc. Class A 1.22% 18,250 $6.2M No change
META Meta Platforms Inc. Class A 1.15% 8,000 $5.9M No change
APH Amphenol Corp. Class A 1.04% 43,000 $5.3M No change
FAST Fastenal Co. 0.98% 101,600 $5.0M No change
ECL Ecolab Inc. 0.97% 18,000 $4.9M No change
WEC WEC Energy Group Inc. 0.94% 42,000 $4.8M No change
CL Colgate-Palmolive Co. 0.92% 59,000 $4.7M No change
TSCO Tractor Supply Company 0.89% 80,000 $4.5M No change
XOM Exxon Mobil Corp. 0.88% 40,000 $4.5M No change
IDXX Idexx Laboratories Inc. 0.88% 7,000 $4.5M No change
RMD Resmed Inc. 0.83% 15,500 $4.2M No change
EOG EOG Resources Inc. 0.77% 35,000 $3.9M No change
HSY The Hershey Co. 0.73% 20,000 $3.7M No change
MNST Monster Beverage Corp. 0.70% 53,000 $3.6M No change
LULU Lululemon Athletica Inc. 0.70% 20,000 $3.6M Add +300.0%
AME Ametek Inc. 0.64% 17,500 $3.3M No change
TYL Tyler Technologies Inc. 0.64% 6,250 $3.3M No change
ROL Rollins Inc. 0.58% 50,250 $3.0M No change
JKHY Jack Henry & Associates Inc. filed as HENRY JACK & ASSOC INC 0.57% 19,600 $2.9M No change
BSY Bentley Systems Inc. Class B 0.50% 50,000 $2.6M No change
OKE Oneok Inc. 0.50% 34,850 $2.5M No change
PTC PTC Inc. 0.50% 12,500 $2.5M No change
VMC Vulcan Materials Co. 0.48% 8,000 $2.5M No change
PINS Pinterest Inc. Class A 0.47% 74,000 $2.4M No change
LECO Lincoln Electric Holdings 0.46% 10,000 $2.4M No change
ATR Aptargroup Inc. 0.46% 17,500 $2.3M Reduce -22.2%
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.46% 7,500 $2.3M No change
HEI Heico Corp. 0.44% 7,000 $2.3M No change
HD Home Depot Inc. 0.40% 5,000 $2.0M No change
EW Edwards Lifesciences Corp. 0.38% 25,000 $1.9M No change
MORN Morningstar Inc. 0.34% 7,500 $1.7M No change
FDS Factset Research Systems Inc. 0.34% 6,000 $1.7M No change
DTM DT Midstream Inc. 0.33% 15,000 $1.7M No change
SYY Sysco Corp. 0.32% 20,000 $1.6M No change
CLX Clorox Company 0.25% 10,400 $1.3M No change
ROST Ross Stores Inc. 0.24% 8,000 $1.2M No change
CTRA Coterra Energy Inc. 0.23% 50,000 $1.2M No change
CMG Chipotle Mexican Grill Inc. 0.23% 30,000 $1.2M No change
CHE Chemed Corp. 0.18% 2,000 $895K No change

Portfolio Sells Q2 2025 → Q3 2025

UNH Unitedhealth Group Inc. Sold out 0.00% −1.89
IT Gartner Inc. Sold out 0.00% −0.38
ATR Aptargroup Inc. Reduce -22.2% 0.46% −0.25
GOOGL Alphabet Inc. Class A Reduce -13.3% 6.19% +0.84

Portfolio Buys Q2 2025 → Q3 2025

FHLC Fidelity MSCI Health Care New 1.31% +1.31
LULU Lululemon Athletica Inc. Add +300.0% 0.70% +0.46
ICE Intercontinental Exchange Inc. Add +50.0% 1.49% +0.37

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 73$499.1MGOOGL, MSFT, NVDA, MA, MRK
Q1 2026 75$505.9MGOOGL, MSFT, IYE, MA, MRK
Q4 2025 77$508.7MGOOGL, MSFT, MA, TMO, AAPL
Q3 2025 73$510.2MMSFT, GOOGL, MA, AAPL, IYE
Q2 2025 74$494.0MMSFT, GOOGL, MA, IYE, CB
Q1 2025 76$474.7MMSFT, GOOGL, MA, UNH, IYE
Q4 2024 71$468.9MMSFT, GOOGL, MA, AAPL, UNH
Q3 2024 71$497.3MMSFT, GOOGL, MA, UNH, AAPL
Q2 2024 70$474.4MMSFT, GOOGL, MA, JPM, UNH
Q1 2024 69$482.6MMSFT, GOOGL, MA, JPM, IYE