BR
Bright Rock Capital Management, LLC 13F Holdings (73 Positions, Q2 2026)
Bright Rock Capital Management, LLCCIK: 0001509973
Diversified strategyMomentum followerQuality / disciplined sizing
Total reported value
$499.1M
Reporting period: 2026-06-30 · Number of holdings: 73
BRIGHT ROCK CAPITAL MANAGEMENT, LLC disclosed 73 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $499.1M and a quarterly turnover rate of 30.2%.
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Personality snowflake
- Concentration
- 9.53
- Portfolio Stability
- 30.16
- Momentum
- 100
- Sector conviction
- 43.01
- Diversification
- 100
- Sizing Uniformity
- 91.34
Bright Rock Capital Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.024 — mathematically equivalent to about 42 equally-sized positions, well below its 73 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.87), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govTrim IYE
-66.7% -$13.8M
Sold out HON
Sold out MKC
New buy SPGI
Add NVDA
+37.5% $8.1M
Sold out CTSH
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 5.59% | -0.38% | -25.71% | |
| 2 | MSFT | Microsoft CORP | Stock-Tech | 5.53% | +0.85% | +15.63% | |
| 3 | NVDA | Nvidia CORP | Stock-Tech | 4.41% | +1.65% | +37.50% | |
| 4 | MA | Mastercard Inc - A | Stock-Financials | 3.86% | +0.16% | — | |
| 5 | MRK | Merck & Co. Inc. | Stock-Healthcare | 3.66% | +0.28% | — | |
| 6 | AAPL | Apple Inc | Stock-Tech | 3.25% | +0.44% | — | |
| 7 | VEEV | Veeva Systems Inc-class A | Stock-Healthcare | 3.06% | +1.57% | +100.00% | |
| 8 | UNP | Union Pacific CORP | Stock-Industrials | 2.92% | +0.35% | — | |
| 9 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 2.76% | +0.09% | — | |
| 10 | V | Visa Inc-class A Shares | Stock-Financials | 2.39% | +0.31% | — | |
| 11 | INTU | Intuit Inc | Stock-Tech | 2.35% | +0.43% | +100.00% | |
| 12 | TXN | Texas Instruments Inc | Stock-Tech | 2.33% | +0.07% | -33.90% | |
| 13 | SCHW | Schwab (charles) CORP | Stock-Financials | 2.31% | -0.01% | — | |
| 14 | TJX | Tjx Companies Inc | Stock-Consumer Disc | 2.13% | -0.09% | — | |
| 15 | BLK | Blackrock Inc | Stock-Financials | 2.02% | +0.02% | — | |
| 16 | NEE | Nextera Energy Inc | Stock-Utilities | 1.93% | -0.09% | — | |
| 17 | SPGI | S&p Global Inc | Stock-Financials | 1.84% | +1.84% | NEW | |
| 18 | LULU | Lululemon Athletica Inc | Stock-Consumer Disc | 1.83% | +0.62% | +100.00% | |
| 19 | LIN | Linde plc | Stock-Materials | 1.82% | +0.11% | — | |
| 20 | PEP | Pepsico Inc | Stock-Consumer Staples | 1.76% | -0.24% | — | |
| 21 | CPRT | Copart Inc | Stock-Industrials | 1.71% | -0.27% | — | |
| 22 | NKE | Nike Inc -cl B | Stock-Consumer Disc | 1.64% | -0.44% | — | |
| 23 | ELV | Elevance Health Inc | Stock-Healthcare | 1.63% | +0.41% | — | |
| 24 | WMT | Walmart Inc | Stock-Consumer Staples | 1.57% | -0.13% | — | |
| 25 | ANET | Arista Networks Inc | Stock-Tech | 1.53% | +0.44% | — | |
| 26 | APH | Amphenol Corp-cl A | Stock-Tech | 1.52% | +0.45% | — | |
| 27 | ACN | Accenture plc | Stock-Tech | 1.50% | +1.50% | NEW | |
| 28 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.44% | +0.16% | — | |
| 29 | VZ | Verizon Communications Inc | Stock-Comm Services | 1.44% | -0.25% | — | |
| 30 | NFLX | Netflix Inc | Stock-Comm Services | 1.43% | +1.43% | NEW | |
| 31 | ICE | Intercontinental Exchange In | Stock-Financials | 1.37% | -0.36% | — | |
| 32 | MS | Morgan Stanley | Stock-Financials | 1.30% | +0.29% | — | |
| 33 | SLB | Slb LTD | Stock-Energy | 1.21% | -0.11% | — | |
| 34 | IYE | Ishares U.s. Energy ETF | ETF-Other | 1.13% | -2.71% | -66.67% | |
| 35 | XOM | Exxon Mobil CORP | Stock-Energy | 1.10% | -0.24% | — | |
| 36 | CL | Colgate-palmolive Co | Stock-Consumer Staples | 1.08% | +0.09% | — | |
| 37 | MNST | Monster Beverage CORP | Stock-Consumer Staples | 1.02% | +0.26% | — | |
| 38 | ECL | Ecolab Inc | Stock-Materials | 1.00% | +0.05% | — | |
| 39 | WEC | Wec Energy Group Inc | Stock-Utilities | 0.98% | +0.02% | — | |
| 40 | FAST | Fastenal Co | Stock-Industrials | 0.98% | +0.05% | — | |
| 41 | EOG | Eog Resources Inc | Stock-Energy | 0.91% | -0.09% | — | |
| 42 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 0.91% | +0.13% | — | |
| 43 | AME | Ametek Inc | Stock-Industrials | 0.85% | +0.11% | — | |
| 44 | ZTS | Zoetis Inc | Stock-Healthcare | 0.78% | -0.48% | — | |
| 45 | IDXX | Idexx Laboratories Inc | Stock-Healthcare | 0.74% | -0.04% | — | |
| 46 | HSY | Hershey Co/the | Stock-Consumer Staples | 0.70% | -0.12% | — | |
| 47 | OKE | Oneok Inc | Stock-Energy | 0.61% | -0.01% | — | |
| 48 | RMD | Resmed Inc | Stock-Healthcare | 0.61% | -0.08% | — | |
| 49 | LYV | Live Nation Entertainment In | Stock-Comm Services | 0.55% | +0.10% | — | |
| 50 | JKHY | Jack Henry & Associates Inc | Stock-Tech | 0.54% | -0.07% | — |
1–50 of 73
Portfolio Performance
Performance for Q3 2026
+6.7%
Performance Last 4 Quarters
+11.6%
- Stdev
- +11.5%
- Beta
- +0.75
- Alpha
- -2.5%
- Max Drawdown
- -9%
- Annualized Perf
- +12.4%
- Batting Avg vs S&P
- +36.1%
- Sortino
- +1.93
- Stutzer
- +0.31
- Treynor
- +0.17
- Sterling
- +0.77
- Calmar
- +1.38
- Information Ratio
- -1.07
- Tracking Error
- +7.1%
- Stdev Down
- +6.4%
- Winning Months %
- +66.7%
- Losing Months %
- +33.3%
- Best 12 Months
- +27.8%
- Worst 12 Months
- +3.1%
- Efficiency Ratio
- +0.4
- Sharpe
- +1.07
- Stdev Sectors
- +6.6%
- Skewness
- -0.13
- Kurtosis
- -0.73
- Upside Potential
- +3.7
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 73 | $499.1M | 30 | ||
| 2026 Q1 | 75 | $505.9M | 33 | ||
| 2025 Q4 | 77 | $508.7M | 20 | ||
| 2025 Q3 | 73 | $510.2M | 36 | ||
| 2025 Q2 | 74 | $494.0M | 0 | ||
| 2025 Q1 | 76 | $474.7M | 100 | ||
| 2024 Q4 | 71 | $468.9M | 0 | ||
| 2024 Q3 | 71 | $497.3M | 0 | ||
| 2024 Q2 | 70 | $474.4M | 0 | ||
| 2024 Q1 | 69 | $482.6M | 0 | ||
| 2023 Q4 | 68 | $441.6M | 0 | ||
| 2023 Q3 | 72 | $409.4M | 0 | ||
| 2023 Q2 | 80 | $429.0M | 0 | ||
| 2023 Q1 | 79 | $400.0M | 0 | ||
| 2022 Q4 | 79 | $385.7M | 0 | ||
| 2022 Q3 | 82 | $356.5M | 0 | ||
| 2022 Q2 | 81 | $370.5M | 0 | ||
| 2022 Q1 | 76 | $423.7M | 0 | ||
| 2021 Q4 | 76 | $440.7M | 0 | ||
| 2021 Q3 | 73 | $399.7M | 0 | ||
| 2021 Q2 | 76 | $415.7M | 97 | ||
| 2021 Q1 | 75 | $391.2M | 14 | ||
| 2020 Q4 | 75 | $367.2M | 22 | ||
| 2020 Q3 | 75 | $337.2M | 14 | ||
| 2020 Q2 | 74 | $320.0M | 36 | ||
| 2020 Q1 | 76 | $274.6M | 36 | ||
| 2019 Q4 | 74 | $341.1M | 14 | ||
| 2019 Q3 | 74 | $319.7M | 12 | ||
| 2019 Q2 | 74 | $313.2M | 21 | ||
| 2019 Q1 | 76 | $299.0M | 23 | ||
| 2018 Q4 | 74 | $266.0M | 36 | ||
| 2018 Q3 | 76 | $306.4M | 21 | ||
| 2018 Q2 | 76 | $291.7M | 28 | ||
| 2018 Q1 | 78 | $291.0M | 38 | ||
| 2017 Q4 | 90 | $368.6M | 11 | ||
| 2017 Q3 | 89 | $344.7M | 9 | ||
| 2017 Q2 | 88 | $338.9M | 15 | ||
| 2017 Q1 | 88 | $334.6M | 15 | ||
| 2016 Q4 | 89 | $322.6M | 17 | ||
| 2016 Q3 | 89 | $315.8M | 18 | ||
| 2016 Q2 | 88 | $308.7M | 13 | ||
| 2016 Q1 | 90 | $292.7M | 15 | ||
| 2015 Q4 | 91 | $269.8M | 32 | ||
| 2015 Q3 | 85 | $249.4M | 31 | ||
| 2015 Q2 | 88 | $268.9M | 17 | ||
| 2015 Q1 | 89 | $268.1M | 15 | ||
| 2014 Q4 | 88 | $256.0M | 21 | ||
| 2014 Q3 | 88 | $234.4M | 26 | ||
| 2014 Q2 | 79 | $213.0M | 17 | ||
| 2014 Q1 | 80 | $196.7M | 34 | ||
| 2013 Q4 | 81 | $190.3M | 23 | ||
| 2013 Q3 | 82 | $178.1M | 51 | ||
| 2013 Q2 | 80 | $162.9M | 0 |
Holding changes this quarter
Bright Rock Capital Management, LLC's most significant position changes for 2026-06-30: Sold out: Honeywell International Inc (HON); Sold out: Mccormick & Co-non Vtg Shrs (MKC); New buy: S&p Global Inc (SPGI); Sold out: Cognizant Tech Solutions-a (CTSH); New buy: Accenture plc (ACN).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | SPGI | S&p Global Inc | +1.8% | NEW | New buy |
| 2 | NVDA | Nvidia CORP | +1.7% | +37.50% | Add |
| 3 | VEEV | Veeva Systems Inc-class A | +1.6% | +100.00% | Add |
| 4 | ACN | Accenture plc | +1.5% | NEW | New buy |
| 5 | NFLX | Netflix Inc | +1.4% | NEW | New buy |
| 6 | MSFT | Microsoft CORP | +0.9% | +15.63% | Add |
| 7 | LULU | Lululemon Athletica Inc | +0.6% | +100.00% | Add |
| 8 | APH | Amphenol Corp-cl A | +0.5% | — | Unchanged |
| 9 | ANET | Arista Networks Inc | +0.4% | — | Unchanged |
| 10 | AAPL | Apple Inc | +0.4% | — | Unchanged |
| 11 | INTU | Intuit Inc | +0.4% | +100.00% | Add |
| 12 | ELV | Elevance Health Inc | +0.4% | — | Unchanged |
| 13 | UNP | Union Pacific CORP | +0.4% | — | Unchanged |
| 14 | V | Visa Inc-class A Shares | +0.3% | — | Unchanged |
| 15 | DVN | Devon Energy CORP | +0.3% | NEW | New buy |
| 16 | MS | Morgan Stanley | +0.3% | — | Unchanged |
| 17 | MRK | Merck & Co. Inc. | +0.3% | — | Unchanged |
| 18 | MNST | Monster Beverage CORP | +0.3% | — | Unchanged |
| 19 | JPM | Jpmorgan Chase & Co | +0.2% | — | Unchanged |
| 20 | MA | Mastercard Inc - A | +0.2% | — | Unchanged |
| 21 | AMZN | Amazon.com Inc | +0.1% | — | Unchanged |
| 22 | HEI | Heico CORP | +0.1% | — | Unchanged |
| 23 | WST | West Pharmaceutical Services | +0.1% | — | Unchanged |
| 24 | AME | Ametek Inc | +0.1% | — | Unchanged |
| 25 | LIN | Linde plc | +0.1% | — | Unchanged |
| 26 | LYV | Live Nation Entertainment In | +0.1% | — | Unchanged |
| 27 | CL | Colgate-palmolive Co | +0.1% | — | Unchanged |
| 28 | TMO | Thermo Fisher Scientific Inc | +0.1% | — | Unchanged |
| 29 | TXN | Texas Instruments Inc | +0.1% | -33.90% | Trim |
| 30 | SYY | Sysco CORP | +0.1% | — | Unchanged |
| 31 | EW | Edwards Lifesciences CORP | +0.1% | — | Unchanged |
| 32 | ECL | Ecolab Inc | +0.1% | — | Unchanged |
| 33 | HLT | Hilton Worldwide Holdings In | +0.1% | — | Unchanged |
| 34 | FAST | Fastenal Co | +0.1% | — | Unchanged |
| 35 | FICO | Fair Isaac CORP | 0% | — | Unchanged |
| 36 | PINS | Pinterest Inc- Class A | 0% | — | Unchanged |
| 37 | VMC | Vulcan Materials Co | 0% | — | Unchanged |
| 38 | DTM | Dt Midstream Inc | 0% | — | Unchanged |
| 39 | LECO | Lincoln Electric Holdings | 0% | — | Unchanged |
| 40 | AJG | Arthur J Gallagher & Co | 0% | — | Unchanged |
| 41 | FDS | Factset Research Systems Inc | 0% | — | Unchanged |
| 42 | WEC | Wec Energy Group Inc | 0% | — | Unchanged |
| 43 | BLK | Blackrock Inc | 0% | — | Unchanged |
| 44 | CMG | Chipotle Mexican Grill Inc | 0% | — | Unchanged |
| 45 | ROST | Ross Stores Inc | — | — | Unchanged |
| 46 | ATR | Aptargroup Inc | — | — | Unchanged |
| 47 | SCHW | Schwab (charles) CORP | 0% | — | Unchanged |
| 48 | OKE | Oneok Inc | 0% | — | Unchanged |
| 49 | CLX | Clorox Company | 0% | — | Unchanged |
| 50 | MORN | Morningstar Inc | 0% | — | Unchanged |
1–50 of 79
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Data Source Notice: AlphaSMO is the web's most authoritative 13F / Inside Trader database. Institutional holdings and insider trades presented here are precisely computed to deliver accurate portfolio reporting.
Filing History
FAQ
What is Bright Rock Capital Management, LLC and what type of investor is it?
Bright Rock Capital Management, LLC is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $499.1M, spread across 73 disclosed positions.
What are Bright Rock Capital Management, LLC's largest equity positions?
Based on the latest 13F filing, Bright Rock Capital Management, LLC's top holdings by market value are:
1. Alphabet Inc-cl A (GOOGL) — $27.9M (5.6%)
2. Microsoft CORP (MSFT) — $27.6M (5.5%)
3. Nvidia CORP (NVDA) — $22.0M (4.4%)
4. Mastercard Inc - A (MA) — $19.3M (3.9%)
5. Merck & Co. Inc. (MRK) — $18.2M (3.7%)
What changes did Bright Rock Capital Management, LLC make in its most recent portfolio filing?
In the latest reported quarter, Bright Rock Capital Management, LLC made 18 notable position adjustments: 4 new positions were initiated, 5 existing holdings were added to, 3 positions were partially reduced, and 6 were completely exited. The largest of these moves: Sold out: Honeywell International Inc (HON); Sold out: Mccormick & Co-non Vtg Shrs (MKC); New buy: S&p Global Inc (SPGI); Sold out: Cognizant Tech Solutions-a (CTSH); New buy: Accenture plc (ACN)
What sectors does Bright Rock Capital Management, LLC focus on?
Bright Rock Capital Management, LLC is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 24.6%
• Financials: 17.6%
• Health Care: 14.6%
• Communication Services: 9.4%
• Consumer Discretionary: 8.6%
• Industrials: 7.6%
Investment Profile
Bright Rock Capital Management, LLC returned an annualized 12.4% over the trailing 36 months — underperforming the S&P 500 by 2.5 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.75 (less volatile than the market) and a 36% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active.
Its turnover score has risen from 0 to 30 over the past 4 quarters — a shift toward more active trading.
It has added to its NVDA position over the past two quarters (+$14.5M, now $22.0M), while trimming GOOGL over the same stretch (-$5.0M, still holding $27.9M).
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