13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001726948
Total reported value
$137.5M
$137.5M
12 檔
73.5%
At the close of Q1 2026, Soapstone Management L.P. disclosed equity holdings valued at approximately $137.5M, spread across 12 reported holdings.
Soapstone Management L.P. executed strategic sector rebalancing during Q1 2026, establishing 5 new positions while fully exiting 6 holdings and trimming 2 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AGI | Alamos Gold Inc-class A | Stock-Materials | 23.73% | -1.66% | +7.87% | |
| 2 | PSA | Public Storage | Stock-Real Estate | 14.47% | -1.16% | — | |
| 3 | CSTM | Constellium SE | Stock-Other | 14.01% | -9.37% | -40.74% | |
| 4 | TFX | Teleflex Inc | Stock-Healthcare | 10.12% | -5.51% | — | |
| 5 | CFG | Citizens Financial Group | Stock-Financials | 9.61% | -9.61% | EXIT | |
| 6 | MTN | Vail Resorts Inc | Stock-Consumer Disc | 7.31% | -5.82% | — | |
| 7 | BDX | Becton Dickinson And Co | Stock-Healthcare | 5.46% | +3.89% | — | |
| 8 | ANGI | Angi Inc | Stock-Other | 4.88% | -4.88% | EXIT | |
| 9 | HDB | Hdfc Bank Ltd-adr | Stock-Financials | 4.43% | +5.43% | — | |
| 10 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 3.49% | -0.02% | -43.03% | |
| 11 | WDAY | Workday Inc-class A | Stock-Tech | 1.62% | -1.62% | EXIT | |
| 12 | BLDR | Builders Firstsource Inc | Stock-Industrials | 0.88% | +0.10% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | AGI | Alamos Gold Inc-class A | +4% | +7.87% | Add |
| 2 | PSA | Public Storage | +0.1% | — | Unchanged |
| 3 | CFG | Citizens Financial Group | -0.1% | — | Unchanged |
| 4 | BLDR | Builders Firstsource Inc | -0.3% | — | Unchanged |
| 5 | MTN | Vail Resorts Inc | -0.5% | — | Unchanged |
| 6 | AMZN | Amazon.com Inc | -3.5% | -43.03% | Trim |
| 7 | CSTM | Constellium SE | -4.7% | -40.74% | Trim |
| 8 | TFX | Teleflex Inc | — | NEW | New buy |
| 9 | BALL | Ball CORP | — | EXIT | Sold out |
| 10 | AWK | American Water Works Co Inc | — | EXIT | Sold out |
| 11 | BDX | Becton Dickinson And Co | — | NEW | New buy |
| 12 | ANGI | Angi Inc | — | NEW | New buy |
| 13 | HDB | Hdfc Bank Ltd-adr | — | NEW | New buy |
| 14 | OLN | Olin CORP | — | EXIT | Sold out |
| 15 | AEM | Agnico Eagle Mines LTD | — | EXIT | Sold out |
| 16 | KNF | Knife River CORP | — | EXIT | Sold out |
| 17 | WDAY | Workday Inc-class A | — | NEW | New buy |
| 18 | NEOG | Neogen CORP | — | EXIT | Sold out |
According to official SEC Form 13F filings, Soapstone Management L.P. reported a total U.S. public equity portfolio value of $137.5M across 12 disclosed positions in Q1 2026.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including AGI, PSA, CSTM) accounted for 73.5% of total reported equity market value during Q1 2026.
Top New Position Initiated
TFX
市值: $14.2M
Top Position Liquidated / Trimmed
BALL
前期市值: $10.6M
During Q1 2026, Soapstone Management L.P.'s top holdings by market value included AGI (23.7%)、PSA (14.5%)、CSTM (14.0%). The largest single position, AGI, represented 23.7% of total portfolio value.
In Q1 2026, Soapstone Management L.P. made 14 total portfolio adjustments, initiating 5 new buys, adding to 1 positions, trimming 2 holdings, and fully liquidating 6 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.