Belfer Management LLC — 13F Holdings & Portfolio
CIK 1481957 · latest 13F-HR filed 2026-05-08
Belfer Management LLC manages $6.0M in 13F-reported U.S. long-equity assets across 15 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are CPNG (17.03%), HG (9.31%), ET (8.87%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 0, added to 6, and trimmed 6.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$6.0M
Long-equity book
15
Distinct positions
2026-03-31
Filed 2026-05-08
+1 / −0 / ↑6 / ↓6
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ENERGY TRANSFER OPERATING LP$164.1K +44.8%
- LOCKHEED MARTIN CORPORATION CMN$106.9K +29.5%
- WESTERN MIDSTREAM PARTNERS LP$98.9K +24.8%
- SPDR GOLD TRUST ETF$55.7K +12.5%
- LABCORP HOLDINGS INC.$28.7K +10.2%
Top Trims
- COUPANG INC-$209.6K -17.1%
- AVANTOR INC-$95.7K -35.4%
- HAMILTON INSURANCE GROUP LTD. CMN-$67.0K -10.7%
- ULTA BEAUTY INC CMN-$25.4K -10.5%
- OLD REPUBLIC INTL CORP CMN-$22.7K -9.4%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | COUPANG INC | CPNG | 22266T109 | $1.0M | 17.03% | 53,943 | SH |
| 2 | HAMILTON INSURANCE GROUP LTD. CMN | HG | G42706104 | $556.5K | 9.31% | 18,655 | SH |
| 3 | ENERGY TRANSFER OPERATING LP | ET | 29273V100 | $530.4K | 8.87% | 27,482 | SH |
| 4 | SPDR GOLD TRUST ETF | GLD | 78463V107 | $500.9K | 8.38% | 1,164 | SH |
| 5 | WESTERN MIDSTREAM PARTNERS LP | WES | 958669103 | $498.1K | 8.33% | 12,098 | SH |
| 6 | LOCKHEED MARTIN CORPORATION CMN | LMT | 539830109 | $469.3K | 7.85% | 777 | SH |
| 7 | MPLX LP | MPLX | 55336V100 | $446.8K | 7.47% | 7,829 | SH |
| 8 | LABCORP HOLDINGS INC. | LH | 504922105 | $310.0K | 5.19% | 1,162 | SH |
| 9 | SHERWIN-WILLIAMS CO CMN | SHW | 824348106 | $274.4K | 4.59% | 856 | SH |
| 10 | ALPHABET INC-CL A | GOOGL | 02079K305 | $262.5K | 4.39% | 913 | SH |
| 11 | DOLLAR TREE STORES, INC. CMN | DLTR | 256746108 | $259.9K | 4.35% | 2,374 | SH |
| 12 | AIR PRODUCTS & CHEMICALS INC CMN | APD | 009158106 | $240.5K | 4.02% | 828 | SH |
| 13 | OLD REPUBLIC INTL CORP CMN | ORI | 680223104 | $218.7K | 3.66% | 5,480 | SH |
| 14 | ULTA BEAUTY INC CMN | ULTA | 90384S303 | $217.3K | 3.64% | 416 | SH |
| 15 | AVANTOR INC | AVTR | 05352A100 | $175.0K | 2.93% | 22,317 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-08 | $6.0M | 15 | 0001140361-26-019974 |
| 2025-12-31 | 2026-02-03 | $5.7M | 14 | 0001140361-26-003464 |