Bright Rock Capital Management
Bright Rock Capital Management reported 72 stocks worth $529M in its 13F filing for Q3 2026, filed Oct 5, 2026. Its largest holdings are MSFT (7.2%), GOOGL (5.1%) and NVDA (4.8%). Compared with Q2 2026, the fund opened new positions in HONA, CSCO and UI, added to AMZN, NKE and NFLX, trimmed VEEV and ANET and sold out of LULU, ACN and XOM.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  MSFT Microsoft Corp | $38M | 7.2% | 74K | No change | 8 of 8 | |
| 2 |  GOOGL Alphabet Inc | $26.8M | 5.1% | 78K | No change | 8 of 8 | |
| 3 |  NVDA Nvidia Corporation | $25.1M | 4.8% | 110K | No change | 4 of 8 | |
| 4 |  MA Mastercard Incorporated | $20.7M | 3.9% | 38K | No change | 8 of 8 | |
| 5 |  MRK Merck & Co Inc | $20.6M | 3.9% | 142K | No change | 8 of 8 | |
| 6 |  AAPL Apple Inc | $18.6M | 3.5% | 56K | No change | 8 of 8 | |
| 7 |  TMO Thermo Fisher Scientific Inc | $18.6M | 3.5% | 28K | No change | 8 of 8 | |
| 8 |  AMZN Amazon Com Inc | $14.7M | 2.8% | 59K | +40K (+211%) | 3 of 8 | |
| 9 |  UNP Union Pac Corp | $14.6M | 2.8% | 54K | No change | 8 of 8 | |
| 10 |  NKE Nike Inc | $14.1M | 2.7% | 398K | +199K (+100%) | 8 of 8 |
Positions at Sep 30, 2026, as reported. Change is against the fund's Q2 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q2 2026, gone in Q3 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 LULU Lululemon Athletica Inc | $9.1M | 80K |
 ACN Accenture PLC Ireland | $7.5M | 60K |
 XOM Exxon Mobil Corp | $5.5M | 40K |
 OKE Oneok Inc New | $3M | 35K |
 LYV Live Nation Entmt Inc | $2.7M | 15K |
🔒 Free account: see all 8.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q3 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Oct 5, 2026 | 13F-HR | Q3 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Bright Rock Capital Management 13F FAQ
What does Bright Rock Capital Management own?
Bright Rock Capital Management reported 72 stocks worth $529M in its 13F filing for Q3 2026, filed Oct 5, 2026. Its largest holdings are MSFT (7.2%), GOOGL (5.1%) and NVDA (4.8%). The table above lists every position in the filing (the top 10 without an account).
What did Bright Rock Capital Management buy and sell in Q3 2026?
Compared with Q2 2026: 7 new positions, 6 added to, 2 trimmed and 8 sold out. New positions include HONA, CSCO and UI. It sold all of LULU, ACN and XOM.
When will Bright Rock Capital Management file its next 13F?
Holdings as of Dec 31, 2026 are due by Feb 15, 2027. The filing appears on this page within minutes of reaching the SEC.
How much is Bright Rock Capital Management's portfolio worth?
The Q3 2026 filing reports $529M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.