Q2 2026 13F · SEC CIK 1481957
Belfer Management LLC
Investment managerFiled 2026-08-07 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $6.0M
- Reported positions
- 16
- Top holdings a year, 3 yrs
- +7.2%
- Average holding period
- 2.8 yrs
Belfer Management LLC is an investment manager that reported 16 positions worth $6.0M in its Q2 2026 13F, filed 2026-08-07. Its largest holdings were Coupang Inc (CPNG, 15.5%), Hamilton Insurance Group Ltd (HG, 9.6%), Western Midstream Partners LP (WES, 7.3%). A portfolio copying its top holdings returned 7.2% a year over the last 3 years, against 15.6% for the S&P 500.
Belfer Management LLC holdings all 16 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| CPNGCoupang Inc | 15.5% | +0.0% | $937K |
| HGHamilton Insurance Group Ltd | 9.6% | -9.0% | $576K |
| WESWestern Midstream Partners LP | 7.3% | -16.7% | $441K |
| MPLXMplx LP | 7.3% | +0.0% | $441K |
| GLDSpdr Gold Tr | 7.1% | +0.0% | $429K |
| ETPCEnergy Transfer L P | 7.0% | -19.4% | $424K |
| LMTLockheed Martin Corp | 6.6% | +0.0% | $396K |
| GOOGLAlphabet Inc | 5.4% | +0.0% | $326K |
| LHLabcorp Holdings Inc | 5.4% | +0.0% | $325K |
| SHWSherwin Williams Co | 4.9% | +0.0% | $295K |
| POOLPool Corp | 4.6% | — | $276K |
| HUMHumana Inc | 4.2% | — | $254K |
| APDAir Products and Chemicals I | 4.0% | +0.0% | $243K |
| DLTRDollar Tree Inc | 3.7% | -21.9% | $224K |
| ORIOld Republic International Corp | 3.7% | +0.0% | $224K |
| AVTRAvantor Inc | 3.7% | +0.0% | $221K |
What Belfer Management LLC bought and sold in Q2 2026, against Q1 2026.
New positions
- POOL Pool Corp4.6% of 13F
- HUM Humana Inc4.2% of 13F
Added to
No position grew by more than 5%.
Reduced
- DLTR Dollar Tree Inc-21.9% shares
- ETPC Energy Transfer L P-19.4% shares
- WES Western Midstream Partners LP-16.7% shares
- HG Hamilton Insurance Group Ltd-9.0% shares
Sold out
- ULTA Ulta Beauty Incwas 3.6%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- -4.3% /yr
- S&P 500 +11.7%
- 3 years
- +7.2% /yr
- S&P 500 +15.6%
- 5 years
- —
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $6.0M | 16 |
| Q1 2026 | $6.0M | 15 |
| Q4 2025 | $5.7M | 14 |
| Q3 2025 | $7.2M | 19 |
| Q2 2025 | $6.5M | 16 |
| Q1 2025 | $5.8M | 14 |
| Q4 2024 | $6.3M | 15 |
| Q3 2024 | $6.2M | 15 |
| Q2 2024 | $5.3M | 14 |
| Q1 2024 | $5.5M | 15 |
| Q4 2023 | $4.7M | 14 |
| Q3 2023 | $3.9M | 12 |
Questions about Belfer Management LLC's portfolio
What stocks does Belfer Management LLC own?
Belfer Management LLC's latest 13F, for Q2 2026 and filed Aug 7, 2026, lists 16 positions worth $6.0M. The largest are Coupang Inc (CPNG) at 15.5%, Hamilton Insurance Group Ltd (HG) at 9.6%, Western Midstream Partners LP (WES) at 7.3%, Mplx LP (MPLX) at 7.3% and Spdr Gold Tr (GLD) at 7.1%.
What did Belfer Management LLC buy last quarter?
In Q2 2026, Belfer Management LLC added a new position in Pool Corp (POOL) and a new position in Humana Inc (HUM), compared with its Q1 2026 filing.
What did Belfer Management LLC sell last quarter?
In Q2 2026, Belfer Management LLC sold all of Ulta Beauty Inc (ULTA), Dollar Tree Inc (DLTR) (-21.9% shares), Energy Transfer L P (ETPC) (-19.4% shares) and Western Midstream Partners LP (WES) (-16.7% shares), compared with its Q1 2026 filing.
How has Belfer Management LLC's portfolio performed?
A portfolio copying Belfer Management LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +7.2% a year over the last 3 years, against +15.6% for the S&P 500. Over 1 year: -4.3% against +11.7%.
When is Belfer Management LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. Belfer Management LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.