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Latest BRIGHT ROCK CAPITAL MANAGEMENT, LLC Stock Portfolio

$529Million | No. of Holdings #72

BRIGHT ROCK CAPITAL MANAGEMENT, LLC Performance

2026 Q3+3.15%
YTD+0.93%
2025+5.04%

About BRIGHT ROCK CAPITAL MANAGEMENT, LLC and 13F Hedge Fund Stock Holdings

BRIGHT ROCK CAPITAL MANAGEMENT, LLC is a hedge fund based in Hanover, MA. On 2026-10-05, the fund reported it's updated stock portfolio. In the 13F Holdings report, BRIGHT ROCK CAPITAL MANAGEMENT, LLC reported an equity portfolio of $529.1 Millions as of 30 Sep, 2026. <br><br> The top stock holdings of BRIGHT ROCK CAPITAL MANAGEMENT, LLC are MSFT, GOOG, NVDA. The fund has invested 7.2% of it's portfolio in MICROSOFT CORP and 5.1% of portfolio in ALPHABET INC. <br><br> The fund managers got completely rid off LULULEMON ATHLETICA INC (LULU), ACCENTURE PLC IRELAND (ACN) and EXXON MOBIL CORP (XOM) stocks. They significantly reduced their stock positions in VEEVA SYS INC (VEEV) and ARISTA NETWORKS INC (ANET). BRIGHT ROCK CAPITAL MANAGEMENT, LLC opened new stock positions in HONEYWELL AEROSPACE INC, CISCO SYS INC (CSCO) and UBIQUITI INC (UI). The fund showed a lot of confidence in some stocks as they added substantially to AMAZON COM INC (AMZN), MONSTER BEVERAGE CORP NEW (MNST) and AMPHENOL CORP (APH).
BRIGHT ROCK CAPITAL MANAGEMENT, LLC Equity Portfolio Value
Last Reported on: 05 Oct, 2026
$529Million
  as of Oct 05, 2026

BRIGHT ROCK CAPITAL MANAGEMENT, LLC Annual Return Estimates Vs S&P 500

Our best estimate is that BRIGHT ROCK CAPITAL MANAGEMENT, LLC made a return of 3.15% in the last quarter. In trailing 12 months, it's portfolio return was 1.27%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
honeywell aerospace inc8,717,060
cisco sys inc6,457,800
ubiquiti inc3,405,180
dexcom inc3,106,440
amer sports inc1,992,170
carpenter technology corp1,749,690
macom tech solutions hldgs i1,566,510
New stocks bought by BRIGHT ROCK CAPITAL MANAGEMENT, LLC

Additions

Ticker% Inc.
amazon com inc210
amphenol corp100
monster beverage corp new100
nike inc100
netflix inc.50.00
copart inc26.49
Additions to existing portfolio by BRIGHT ROCK CAPITAL MANAGEMENT, LLC

Reductions

Ticker% Reduced
veeva sys inc-50.00
arista networks inc-44.44
BRIGHT ROCK CAPITAL MANAGEMENT, LLC reduced stake in above stock

Sold off

Ticker$ Sold
lululemon athletica inc-9,134,400
pinterest inc-1,556,220
accenture plc ireland-7,466,400
exxon mobil corp-5,468,800
oneok inc new-3,029,860
live nation entertainment in-2,746,650
ptc inc-1,420,120
factset resh sys inc-1,380,480
BRIGHT ROCK CAPITAL MANAGEMENT, LLC got rid off the above stocks

Sector Distribution

BRIGHT ROCK CAPITAL MANAGEMENT, LLC has about 25.7% of it's holdings in Technology sector.

  • Technology
  • Healthcare
  • Financial Services
  • Consumer Cyclical
  • Communication Services
  • Industrials
  • Consumer Defensive
  • Others
  • Basic Materials
  • Energy
  • Utilities
Sector%
Technology25.7
Healthcare15.1
Financial Services14.9
Consumer Cyclical8.9
Communication Services8.5
Industrials7.7
Consumer Defensive5.7
Others5.3
Basic Materials2.9
Energy2.8
Utilities2.4

Market Cap. Distribution

BRIGHT ROCK CAPITAL MANAGEMENT, LLC has about 92.4% of it's portfolio invested in the large-cap and mega-cap stocks.

  • MEGA-CAP
  • LARGE-CAP
  • UNALLOCATED
  • MICRO-CAP
Category%
MEGA-CAP47.6
LARGE-CAP44.8
UNALLOCATED5.3
MICRO-CAP1.5

Stocks belong to which Index?

About 87.3% of the stocks held by BRIGHT ROCK CAPITAL MANAGEMENT, LLC either belong to S&P 500 or RUSSELL 2000 index.

  • S&P 500
  • Others
Index%
S&P 50087.3
Others12.1
Top 5 Winners (%)%
VEEV
veeva sys inc
45.6 %
MSFT
microsoft corp
37.5 %
TMO
thermo fisher scientific inc
34.6 %
ICE
intercontinental exchange in
23.5 %
MORN
morningstar inc
21.8 %
Top 5 Winners ($)$
MSFT
microsoft corp
10.4 M
VEEV
veeva sys inc
7.0 M
TMO
thermo fisher scientific inc
4.8 M
NVDA
nvidia corporation
3.1 M
AAPL
apple inc
2.4 M
Top 5 Losers (%)%
FICO
fair isaac corp
-50.4 %
MNST
monster beverage corp new
-49.5 %
APH
amphenol corp
-45.0 %
ROL
rollins inc
-27.8 %
DTM
dt midstream inc
-18.6 %
Top 5 Losers ($)$
APH
amphenol corp
-5.9 M
MNST
monster beverage corp new
-4.3 M
NKE
nike inc
-1.7 M
TJX
tjx cos inc new
-1.3 M
NEE
nextera energy inc
-1.3 M

BRIGHT ROCK CAPITAL MANAGEMENT, LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of BRIGHT ROCK CAPITAL MANAGEMENT, LLC

BRIGHT ROCK CAPITAL MANAGEMENT, LLC has 72 stocks in it's portfolio. About 40% of the portfolio is in top 10 stocks. APH proved to be the most loss making stock for the portfolio. MSFT was the most profitable stock for BRIGHT ROCK CAPITAL MANAGEMENT, LLC last quarter.

$529.09MTotal Value
80.00Positions
05 Oct, 2026Last Reported
Current holdings of Current Stock Holdings of BRIGHT ROCK CAPITAL MANAGEMENT, LLC, last reported on 05 Oct, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change