Bright Rock Capital Management, LLC

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed October 3, 2024), Bright Rock Capital Management, LLC reported 71 stock positions worth $497.3 million. Its top holding was Microsoft (MSFT) at 6.1% of the portfolio, followed by Alphabet Class A (GOOGL, 5.0%) and Mastercard Class A (MA, 4.0%). Compared with Q2 2024, it opened 8 new positions, sold out of 7, added to 6 and reduced 11. The biggest buy was a new position in Starbucks (SBUX) and the biggest sale Automatic Data Processing (ADP, shares −47%).

Most Recent 13F
Q2 2026
Location
HANOVER, MA
CIK
0001509973
Portfolio Value
$497.3M (Q3 2024)
SEC Filing
0001509973-24-000004 ↗ filed Oct 3, 2024

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 $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 Q3 2025 Q4 2025: $508.7M Q4 2025 Q1 2026: $505.9M Q1 2026 Q2 2026: $499.1M Q2 2026

Holdings 71 stocks · $497.3M

MSFT Microsoft Corp. 6.14% 71,000 $30.6M Add +7.6%
GOOGL Alphabet Inc. Class A 5.00% 150,000 $24.9M No change
MA Mastercard Inc. Class A 3.97% 40,000 $19.8M Reduce -11.1%
UNH Unitedhealth Group Inc. 3.53% 30,000 $17.5M No change
AAPL Apple Inc. 2.90% 62,000 $14.4M No change
WST West Pharmaceutical Services 2.84% 47,000 $14.1M Add +80.8%
IYE iShares U.S. Energy ETF 2.80% 300,000 $13.9M No change
JPM JPMorgan Chase & Co. 2.76% 65,000 $13.7M Reduce -23.5%
CL Colgate-Palmolive Co. 2.59% 124,000 $12.9M No change
MRK Merck & Co. Inc. 2.56% 112,000 $12.7M No change
TXN Texas Instruments Inc. 2.45% 59,000 $12.2M No change
BRK.B Berkshire Hathaway Inc. Class B 2.31% 25,000 $11.5M No change
HON Honeywell International Inc. 2.18% 52,500 $10.9M Add +110.0%
VEEV Veeva Systems Inc. Class A 2.11% 50,000 $10.5M No change
UNP Union Pacific Corp. 2.06% 41,500 $10.2M Add +23.9%
CB Chubb Ltd. 2.03% 35,000 $10.1M No change
BLK BlackRock Finance Inc. 2.00% 10,500 $10.0M No change
ACN Accenture PLC Class A 1.99% 28,000 $9.9M No change
SBUX Starbucks Corp. 1.96% 100,000 $9.7M New
CPRT Copart Inc. 1.92% 182,000 $9.5M Reduce -23.2%
TJX TJX Companies Inc. filed as TJX COS INC NEW 1.89% 80,000 $9.4M Reduce -6.5%
NEE Nextera Energy Inc. 1.87% 110,000 $9.3M Reduce -18.5%
META Meta Platforms Inc. Class A 1.84% 16,000 $9.2M No change
LIN Linde PLC 1.68% 17,500 $8.3M No change
NKE Nike Inc. Class B 1.65% 93,000 $8.2M No change
WMT Walmart Inc. 1.61% 99,000 $8.0M Reduce -37.7%
ROP Roper Technologies Inc. 1.57% 14,000 $7.8M Add +16.7%
INTU Intuit Inc. 1.56% 12,500 $7.8M Reduce -16.7%
PEP Pepsico Inc. 1.54% 45,000 $7.7M No change
VZ Verizon Communications Inc. 1.54% 170,000 $7.6M No change
ADP Automatic Data Processing 1.28% 23,000 $6.4M Reduce -46.5%
SLB SLB Ltd. filed as SCHLUMBERGER LTD 1.27% 150,000 $6.3M Add +50.0%
HD Home Depot Inc. 1.22% 15,000 $6.1M No change
TMO Thermo Fisher Scientific Inc. 1.18% 9,500 $5.9M No change
ANET Arista Networks Inc. 1.16% 15,000 $5.8M No change
TSCO Tractor Supply Company 1.14% 19,500 $5.7M No change
V Visa Inc. Class A 1.01% 18,250 $5.0M No change
XOM Exxon Mobil Corp. 0.94% 40,000 $4.7M No change
ECL Ecolab Inc. 0.92% 18,000 $4.6M No change
SPGI S&P Global Inc. 0.88% 8,500 $4.4M No change
EOG EOG Resources Inc. 0.87% 35,000 $4.3M No change
WEC WEC Energy Group Inc. 0.81% 42,000 $4.0M Reduce -8.7%
HSY The Hershey Co. 0.77% 20,000 $3.8M No change
RMD Resmed Inc. 0.76% 15,500 $3.8M No change
TYL Tyler Technologies Inc. 0.73% 6,250 $3.6M No change
FAST Fastenal Co. 0.73% 50,800 $3.6M No change
ATR Aptargroup Inc. 0.72% 22,500 $3.6M No change
IDXX Idexx Laboratories Inc. 0.71% 7,000 $3.5M No change
JKHY Jack Henry & Associates Inc. filed as HENRY JACK & ASSOC INC 0.70% 19,600 $3.5M No change
MANH Manhattan Associates Inc. 0.69% 12,200 $3.4M New
OKE Oneok Inc. 0.64% 34,850 $3.2M Reduce -41.8%
AME Ametek Inc. 0.60% 17,500 $3.0M No change
APH Amphenol Corp. Class A 0.56% 43,000 $2.8M Reduce -36.8%
MNST Monster Beverage Corp. 0.56% 53,000 $2.8M No change
FDS Factset Research Systems Inc. 0.55% 6,000 $2.8M No change
ROL Rollins Inc. 0.51% 50,250 $2.5M No change
MORN Morningstar Inc. 0.48% 7,500 $2.4M No change
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.42% 7,500 $2.1M No change
VMC Vulcan Materials Co. 0.40% 8,000 $2.0M New
LECO Lincoln Electric Holdings 0.39% 10,000 $1.9M New
SEIC Sei Investments Company 0.38% 27,600 $1.9M No change
HEI Heico Corp. 0.37% 7,000 $1.8M New
JBHT Hunt (jb) Transprt SVCS Inc. 0.36% 10,500 $1.8M No change
GNTX Gentex Corp. 0.36% 60,000 $1.8M No change
CMG Chipotle Mexican Grill Inc. 0.35% 30,000 $1.7M No change
CLX Clorox Company 0.34% 10,400 $1.7M New
EW Edwards Lifesciences Corp. 0.33% 25,000 $1.6M No change
SYY Sysco Corp. 0.31% 20,000 $1.6M New
ROST Ross Stores Inc. 0.24% 8,000 $1.2M New
CTRA Coterra Energy Inc. 0.24% 50,000 $1.2M No change
DTM DT Midstream Inc. 0.24% 15,000 $1.2M No change

Portfolio Sells Q2 2024 → Q3 2024

ADP Automatic Data Processing Reduce -46.5% 1.28% −0.88
JPM JPMorgan Chase & Co. Reduce -23.5% 2.76% −0.87
YUM Yum! Brands Inc. Sold out 0.00% −0.84
DPZ Domino's Pizza Inc. Sold out 0.00% −0.83
CPRT Copart Inc. Reduce -23.2% 1.92% −0.79
ADI Analog Devices Inc. Sold out 0.00% −0.67
WMT Walmart Inc. Reduce -37.7% 1.61% −0.66
INTU Intuit Inc. Reduce -16.7% 1.56% −0.52
VVV Valvoline Inc. Sold out 0.00% −0.41
APH Amphenol Corp. Class A Reduce -36.8% 0.56% −0.40
OKE Oneok Inc. Reduce -41.8% 0.64% −0.39
LW Lamb Weston Holdings Inc. Sold out 0.00% −0.35
BF.B Brown-Forman Corp. Class B Sold out 0.00% −0.27
FND Floor & Decor Holdings Inc. Class A Sold out 0.00% −0.23
MA Mastercard Inc. Class A Reduce -11.1% 3.97% −0.21
NEE Nextera Energy Inc. Reduce -18.5% 1.87% −0.15
TJX TJX Companies Inc. Reduce -6.5% 1.89% −0.09
WEC WEC Energy Group Inc. Reduce -8.7% 0.81% +0.05

Portfolio Buys Q2 2024 → Q3 2024

SBUX Starbucks Corp. New 1.96% +1.96
HON Honeywell International Inc. Add +110.0% 2.18% +1.06
WST West Pharmaceutical Services Add +80.8% 2.84% +1.03
MANH Manhattan Associates Inc. New 0.69% +0.69
UNP Union Pacific Corp. Add +23.9% 2.06% +0.46
VMC Vulcan Materials Co. New 0.40% +0.40
LECO Lincoln Electric Holdings New 0.39% +0.39
HEI Heico Corp. New 0.37% +0.37
CLX Clorox Company New 0.34% +0.34
SYY Sysco Corp. New 0.31% +0.31
SLB SLB Ltd. Add +50.0% 1.27% +0.27
ROST Ross Stores Inc. New 0.24% +0.24
ROP Roper Technologies Inc. Add +16.7% 1.57% +0.14
MSFT Microsoft Corp. Add +7.6% 6.14% −0.07

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