Soapstone Management L.P. — 13F Holdings & Portfolio
CIK 1726948 · latest 13F-HR filed 2026-05-15
Soapstone Management L.P. manages $140.4M in 13F-reported U.S. long-equity assets across 12 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are AGI (23.73%), PSA (14.47%), CSTM (14.01%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 5 new positions, exited 6, added to 1, and trimmed 3.
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.
$140.4M
Long-equity book
12
Distinct positions
2026-03-31
Filed 2026-05-15
+5 / −6 / ↑1 / ↓3
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Trims
- CONSTELLIUM SE-$5.8M -22.7%
- AMAZON COM INC-$4.6M -48.6%
- BUILDERS FIRSTSOURCE INC-$308.4K -20.0%
New Positions
- TELEFLEX INCORPORATED$14.2M
- BECTON DICKINSON & CO$7.7M
- ANGI INC$6.8M
- HDFC BANK LTD$6.2M
- WORKDAY INC$2.3M
Exited Positions
- BALL CORP$10.6M
- AMERICAN WTR WKS CO INC NEW$9.8M
- OLIN CORP$3.1M
- AGNICO EAGLE MINES LTD$2.5M
- KNIFE RIVER CORP$2.4M
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 | ALAMOS GOLD INC | AGI | 011532108 | $33.3M | 23.73% | 750,000 | SH |
| 2 | PUBLIC STORAGE OPER CO | PSA | 74460D109 | $20.3M | 14.47% | 75,000 | SH |
| 3 | CONSTELLIUM SE | CSTM | F21107101 | $19.7M | 14.01% | 800,000 | SH |
| 4 | TELEFLEX INCORPORATED | TFX | 879369106 | $14.2M | 10.12% | 118,750 | SH |
| 5 | CITIZENS FINL GROUP INC | CFG | 174610105 | $13.5M | 9.61% | 225,000 | SH |
| 6 | VAIL RESORTS INC | MTN | 91879Q109 | $10.3M | 7.31% | 80,000 | SH |
| 7 | BECTON DICKINSON & CO | BDX | 075887109 | $7.7M | 5.46% | 48,750 | SH |
| 8 | ANGI INC | ANGI | 00183L201 | $6.8M | 4.88% | 1,000,000 | SH |
| 9 | HDFC BANK LTD | HDB | 40415F101 | $6.2M | 4.43% | 250,000 | SH |
| 10 | AMAZON COM INC | AMZN | 023135106 | $4.9M | 3.49% | 23,500 | SH |
| 11 | WORKDAY INC | WDAY | 98138H101 | $2.3M | 1.62% | 17,500 | SH |
| 12 | BUILDERS FIRSTSOURCE INC | BLDR | 12008R107 | $1.2M | 0.88% | 15,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $140.4M | 12 | 0001398344-26-009297 |
| 2025-12-31 | 2026-02-17 | $135.7M | 13 | 0001398344-26-003286 |
| 2025-09-30 | 2025-11-14 | $147.3M | 13 | 0001398344-25-020993 |