Soapstone Management L.P.
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Soapstone Management L.P. reported 12 stock positions worth $140.4 million. Its top holding was Alamos Gold Class A (AGI) at 23.7% of the portfolio, followed by Public Storage (PSA, 14.5%) and Constellium (CSTM, 14.0%). Compared with Q4 2025, it opened 5 new positions, sold out of 6, added to 1 and reduced 2. The biggest buy was a new position in Teleflex (TFX) and the biggest sale an exit from Ball (BALL).
- Most Recent 13F
- Q2 2026
- Location
- BETHESDA, MD
- CIK
- 0001726948
- Portfolio Value
- $140.4M (Q1 2026)
- SEC Filing
- 0001398344-26-009297 ↗ filed May 15, 2026
Holdings Value
Holdings 12 stocks · $140.4M
| AGI Alamos Gold Inc. Class A | 23.73% | 750,000 | $33.3M | Add +7.9% |
| PSA Public Storage | 14.47% | 75,000 | $20.3M | No change |
| CSTM Constellium SE | 14.01% | 800,000 | $19.7M | Reduce -40.7% |
| TFX Teleflex Inc. | 10.12% | 118,750 | $14.2M | New |
| CFG Citizens Financial Group | 9.61% | 225,000 | $13.5M | No change |
| MTN Vail Resorts Inc. | 7.31% | 80,000 | $10.3M | No change |
| BDX Becton Dickinson and Co. | 5.46% | 48,750 | $7.7M | New |
| ANGI Angi Inc. | 4.88% | 1,000,000 | $6.8M | New |
| HDB HDFC Bank Ltd.-ADR | 4.43% | 250,000 | $6.2M | New |
| AMZN Amazon.com Inc. | 3.49% | 23,500 | $4.9M | Reduce -43.0% |
| WDAY Workday Inc. Class A | 1.62% | 17,500 | $2.3M | New |
| BLDR Builders Firstsource Inc. | 0.88% | 15,000 | $1.2M | No change |
Portfolio Sells Q4 2025 → Q1 2026
| BALL Ball Corp. | Sold out | 0.00% | −7.81 |
| AWK American Water Works Co. Inc. | Sold out | 0.00% | −7.21 |
| CSTM Constellium SE | Reduce -40.7% | 14.01% | −4.75 |
| AMZN Amazon.com Inc. | Reduce -43.0% | 3.49% | −3.53 |
| OLN Olin Corp. | Sold out | 0.00% | −2.30 |
| AEM Agnico Eagle Mines Ltd. | Sold out | 0.00% | −1.87 |
| KNF Knife River Corp. | Sold out | 0.00% | −1.77 |
| NEOG Neogen Corp. | Sold out | 0.00% | −0.52 |
Portfolio Buys Q4 2025 → Q1 2026
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 13 | $137.5M | AGI, PSA, COO, HDB, SCHW |
| Q1 2026 | 12 | $140.4M | AGI, PSA, CSTM, TFX, CFG |
| Q4 2025 | 13 | $135.7M | AGI, CSTM, PSA, CFG, MTN |
| Q3 2025 | 13 | $147.3M | CSTM, CFG, PSA, AWK, AMZN |
| Q2 2025 | 15 | $150.7M | CFG, CSTM, AMZN, PSA, AWK |
| Q1 2025 | 14 | $128.0M | AMZN, AWK, PSA, CSTM, MTN |
| Q4 2024 | 15 | $106.4M | AMZN, CSTM, MTN, HDB, AWK |
| Q3 2024 | 15 | $120.3M | AMZN, CSTM, HDB, MTN, NEM |
| Q2 2024 | 18 | $149.9M | HDB, AMZN, KVUE, CSTM, NEOG |
| Q1 2024 | 16 | $179.2M | CSTM, LDOS, KVUE, ASAIY, AMZN |