Institutional Manager · CIK 0001481957
Belfer Management LLC
New York, NY · File #028-13690
Latest AUM
$5.7M
Positions
14
Top-10 Concentration
82.1%
Filings
15
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | META PLATFORMS INC CMN CLASS A | 30303M102 | -301 | -$221,183 | $0 |
| EXITED | ZILLOW GROUP, INC. CMN SERIES C | 98954M200 | -2,786 | -$214,672 | $0 |
| EXITED | COREBRIDGE FINANCIAL, INC. CMN | 21871X109 | -6,616 | -$212,030 | $0 |
| EXITED | HUMANA INC. | 444859102 | -776 | -$201,940 | $0 |
| REDUCE | COUPANG INC | CPNG | -4,057 | -$95,705 | -$483,125 |
| REDUCE | HAMILTON INSURANCE GROUP LTD. CMN | HG | -1,741 | -$48,573 | +$74,663 |
| REDUCE | SPDR GOLD TRUST ETF | GLD | -88 | -$34,891 | +$49,655 |
| EXITED | CLOVER HEALTH INVESTMENTS CO | 18914F103 | -10,787 | -$33,008 | $0 |
| REDUCE | LABCORP HOLDINGS INC. | LH | -122 | -$30,619 | -$44,755 |
| REDUCE | OLD REPUBLIC INTL CORP CMN | 680223104 | -653 | -$29,801 | +$18,830 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202514 pos · $5.7M
- 13F HOLDINGS REPORTQ/E Sep 202519 pos · $7.2M
- 13F HOLDINGS REPORTQ/E Jun 202516 pos · $6.5M
- 13F HOLDINGS REPORTQ/E Mar 202514 pos · $5.8M
- 13F HOLDINGS REPORTQ/E Dec 202415 pos · $6.3M
- 13F HOLDINGS REPORTQ/E Sep 202415 pos · $6.2M
- 13F HOLDINGS REPORTQ/E Jun 202414 pos · $5.3M
- 13F HOLDINGS REPORTQ/E Mar 202415 pos · $5.5M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 20249 pos · $2.7M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 202410 pos · $2.9M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 202412 pos · $3.9M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 202412 pos · $3.9M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 202410 pos · $3.8M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 202414 pos · $4.7M
- 13F HOLDINGS REPORTQ/E Dec 20230 pos · $0
Top 14 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | COUPANG INC | CPNG | 52,057 | $1.2M | 21.53% |
| 2 | HAMILTON INSURANCE GROUP LTD. CMN | HG | 22,347 | $623,468 | 10.93% |
| 3 | SPDR GOLD TRUST ETF | GLD | 1,123 | $445,251 | 7.80% |
| 4 | MPLX LP | MPLXP | 7,849 | $418,902 | 7.34% |
| 5 | WESTERN MIDSTREAM PARTNERS LP | WES | 10,107 | $399,200 | 7.00% |
| 6 | ENERGY TRANSFER OPERATING LP | ET-PI | 22,211 | $366,259 | 6.42% |
| 7 | LOCKHEED MARTIN CORPORATION CMN | LMT | 749 | $362,468 | 6.35% |
| 8 | DOLLAR TREE STORES, INC. CMN | DLTR | 2,291 | $281,766 | 4.94% |
| 9 | LABCORP HOLDINGS INC. | LH | 1,121 | $281,343 | 4.93% |
| 10 | ALPHABET INC-CL A | GOOG | 881 | $275,720 | 4.83% |
| 11 | AVANTOR INC | AVTR | 23,621 | $270,695 | 4.74% |
| 12 | SHERWIN-WILLIAMS CO CMN | SHW | 826 | $267,708 | 4.69% |
| 13 | ULTA BEAUTY INC CMN | ULTA | 401 | $242,773 | 4.26% |
| 14 | OLD REPUBLIC INTL CORP CMN | 680223104 | 5,289 | $241,371 | 4.23% |