Bright Rock Capital Management, LLC

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 15, 2026), Bright Rock Capital Management, LLC reported 77 stock positions worth $508.7 million. Its top holding was Alphabet Class A (GOOGL) at 6.5% of the portfolio, followed by Microsoft (MSFT, 6.1%) and Mastercard Class A (MA, 3.4%). Compared with Q3 2025, it opened 5 new positions, sold out of 1, added to 2 and reduced 6. The biggest buy was a new position in SS Industrial Select Sector (XLI) and the biggest sale West Pharmaceutical Services (WST, shares −88%).

Most Recent 13F
Q2 2026
Location
HANOVER, MA
CIK
0001509973
Portfolio Value
$508.7M (Q4 2025)
SEC Filing
0001509973-26-000001 ↗ filed Jan 15, 2026

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

Holdings 77 stocks · $508.7M

GOOGL Alphabet Inc. Class A 6.46% 105,000 $32.9M Reduce -19.2%
MSFT Microsoft Corp. 6.08% 64,000 $31.0M No change
MA Mastercard Inc. Class A 3.37% 30,000 $17.1M No change
TMO Thermo Fisher Scientific Inc. 3.13% 27,500 $15.9M No change
AAPL Apple Inc. 2.99% 56,000 $15.2M No change
MRK Merck & Co. Inc. 2.94% 142,000 $14.9M No change
IYE iShares U.S. Energy ETF 2.80% 300,000 $14.3M No change
TJX TJX Companies Inc. filed as TJX COS INC NEW 2.79% 92,500 $14.2M No change
CB Chubb Ltd. 2.76% 45,000 $14.0M No change
SCHW Schwab (charles) Corp. 2.46% 125,000 $12.5M No change
UNP Union Pacific Corp. 2.43% 53,500 $12.4M No change
BLK BlackRock Inc. 2.21% 10,500 $11.2M No change
HON Honeywell International Inc. 2.01% 52,500 $10.2M No change
TXN Texas Instruments Inc. 2.01% 59,000 $10.2M No change
VEEV Veeva Systems Inc. Class A 1.89% 43,000 $9.6M No change
NKE Nike Inc. Class B 1.88% 150,000 $9.6M No change
ACN Accenture PLC Class A 1.85% 35,000 $9.4M Add +25.0%
PEP Pepsico Inc. 1.83% 65,000 $9.3M No change
NEE Nextera Energy Inc. 1.74% 110,000 $8.8M No change
INTU Intuit Inc. 1.63% 12,500 $8.3M No change
SBUX Starbucks Corp. 1.57% 95,000 $8.0M No change
XLI SS Industrial Select Sector 1.52% 50,000 $7.8M New
WMT Walmart Inc. 1.51% 69,000 $7.7M No change
MKC McCormick & Co.-Non VTG SHRS 1.47% 110,000 $7.5M Add +10.0%
LIN Linde PLC 1.47% 17,500 $7.5M No change
NVDA Nvidia Corp. 1.47% 40,000 $7.5M New
ELV Elevance Health Inc. 1.45% 21,000 $7.4M New
JPM JPMorgan Chase & Co. 1.39% 22,000 $7.1M No change
VZ Verizon Communications Inc. 1.36% 170,000 $6.9M No change
ORCL Oracle Corp. 1.34% 35,000 $6.8M No change
ZTS Zoetis Inc. 1.34% 54,000 $6.8M New
V Visa Inc. Class A 1.26% 18,250 $6.4M No change
CPRT Copart Inc. 1.25% 162,000 $6.3M Reduce -34.9%
ROP Roper Technologies Inc. 1.23% 14,000 $6.2M No change
ANET Arista Networks Inc. 1.16% 45,000 $5.9M No change
APH Amphenol Corp. Class A 1.14% 43,000 $5.8M No change
META Meta Platforms Inc. Class A 1.04% 8,000 $5.3M No change
SLB SLB Ltd. filed as SLB LIMITED 0.98% 130,000 $5.0M Reduce -53.6%
XOM Exxon Mobil Corp. 0.95% 40,000 $4.8M No change
IDXX Idexx Laboratories Inc. 0.93% 7,000 $4.7M No change
ECL Ecolab Inc. 0.93% 18,000 $4.7M No change
CL Colgate-Palmolive Co. 0.92% 59,000 $4.7M No change
WEC WEC Energy Group Inc. 0.87% 42,000 $4.4M No change
FAST Fastenal Co. 0.80% 101,600 $4.1M No change
MNST Monster Beverage Corp. 0.80% 53,000 $4.1M No change
ICE Intercontinental Exchange Inc. 0.80% 25,000 $4.0M Reduce -44.4%
TSCO Tractor Supply Company 0.79% 80,000 $4.0M No change
RMD Resmed Inc. 0.73% 15,500 $3.7M No change
EOG EOG Resources Inc. 0.72% 35,000 $3.7M No change
HSY The Hershey Co. 0.72% 20,000 $3.6M No change
AME Ametek Inc. 0.71% 17,500 $3.6M No change
JKHY Jack Henry & Associates Inc. filed as HENRY JACK & ASSOC INC 0.70% 19,600 $3.6M No change
ROL Rollins Inc. 0.59% 50,250 $3.0M No change
MS Morgan Stanley 0.56% 16,000 $2.8M New
TYL Tyler Technologies Inc. 0.56% 6,250 $2.8M No change
OKE Oneok Inc. 0.50% 34,850 $2.6M No change
LECO Lincoln Electric Holdings 0.47% 10,000 $2.4M No change
VMC Vulcan Materials Co. 0.45% 8,000 $2.3M No change
HEI Heico Corp. 0.45% 7,000 $2.3M No change
PTC PTC Inc. 0.43% 12,500 $2.2M No change
ATR Aptargroup Inc. 0.42% 17,500 $2.1M No change
EW Edwards Lifesciences Corp. 0.42% 25,000 $2.1M No change
LULU Lululemon Athletica Inc. 0.41% 10,000 $2.1M Reduce -50.0%
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.38% 7,500 $1.9M No change
PINS Pinterest Inc. Class A 0.38% 74,000 $1.9M No change
BSY Bentley Systems Inc. Class B 0.38% 50,000 $1.9M No change
DTM DT Midstream Inc. 0.35% 15,000 $1.8M No change
FDS Factset Research Systems Inc. 0.34% 6,000 $1.7M No change
HD Home Depot Inc. 0.34% 5,000 $1.7M No change
MORN Morningstar Inc. 0.32% 7,500 $1.6M No change
SYY Sysco Corp. 0.29% 20,000 $1.5M No change
ROST Ross Stores Inc. 0.28% 8,000 $1.4M No change
WST West Pharmaceutical Services 0.27% 5,000 $1.4M Reduce -87.5%
CTRA Coterra Energy Inc. 0.26% 50,000 $1.3M No change
CMG Chipotle Mexican Grill Inc. 0.22% 30,000 $1.1M No change
CLX Clorox Company 0.21% 10,400 $1.0M No change
CHE Chemed Corp. 0.17% 2,000 $856K No change

Portfolio Sells Q3 2025 → Q4 2025

WST West Pharmaceutical Services Reduce -87.5% 0.27% −1.79
FHLC Fidelity MSCI Health Care Sold out 0.00% −1.31
CPRT Copart Inc. Reduce -34.9% 1.25% −0.95
SLB SLB Ltd. Reduce -53.6% 0.98% −0.91
ICE Intercontinental Exchange Inc. Reduce -44.4% 0.80% −0.69
LULU Lululemon Athletica Inc. Reduce -50.0% 0.41% −0.29
GOOGL Alphabet Inc. Class A Reduce -19.2% 6.46% +0.27

Portfolio Buys Q3 2025 → Q4 2025

XLI SS Industrial Select Sector New 1.52% +1.52
NVDA Nvidia Corp. New 1.47% +1.47
ELV Elevance Health Inc. New 1.45% +1.45
ZTS Zoetis Inc. New 1.34% +1.34
MS Morgan Stanley New 0.56% +0.56
ACN Accenture PLC Class A Add +25.0% 1.85% +0.49
MKC McCormick & Co.-Non VTG SHRS Add +10.0% 1.47% +0.16

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