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Soapstone Management L.P.

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13F filer, CIK 1726948, BETHESDA, MD

Soapstone Management L.P. reported $140,402,896 across 12 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 97.5% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001398344-26-009297

Period
2026-03-31
Reported value
$140M
Holdings
12
Top 10 weight
97.5%
New
5
Sold out
6

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TFXnew+118,750$14.2M
BDXnew+48,750$7.66M
ANGInew+1,000,000$6.85M
HDBnew+250,000$6.22M
AGIadded+54,715$2.43M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
CSTMreduced-550,000-$13.5M
BALLexited-200,000-$10.6M
AWKexited-75,000-$9.79M
AMZNreduced-17,750-$3.7M
OLNexited-150,000-$3.12M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001398344-26-009297, largest first. % of portfolio is the value over $140,402,896, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
AGIALAMOS GOLD INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 219,423 shares; 2025Q3: 310,691 shares; 2025Q4: 695,285 shares; 2026Q1: 750,000 shares 750,000$33.3M23.73%+54,715Timeline
PSAPUBLIC STORAGEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 53,750 shares; 2025Q2: 65,000 shares; 2025Q3: 75,000 shares; 2025Q4: 75,000 shares; 2026Q1: 75,000 shares 75,000$20.3M14.47%0Timeline
CSTMCONSTELLIUM SEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 895,000 shares; 2024Q4: 1,539,957 shares; 2025Q1: 1,577,199 shares; 2025Q2: 1,776,559 shares; 2025Q3: 1,669,099 shares; 2025Q4: 1,350,000 shares; 2026Q1: 800,000 shares 800,000$19.7M14.01%-550,000Timeline
TFXTELEFLEX INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 118,750 shares 118,750$14.2M10.12%newTimeline
CFGCITIZENS FINL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 95,000 shares; 2024Q4: 100,000 shares; 2025Q1: 300,000 shares; 2025Q2: 575,000 shares; 2025Q3: 425,000 shares; 2025Q4: 225,000 shares; 2026Q1: 225,000 shares 225,000$13.5M9.61%0Timeline
MTNVAIL RESORTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 68,750 shares; 2024Q4: 78,750 shares; 2025Q1: 81,250 shares; 2025Q2: 82,500 shares; 2025Q3: 83,023 shares; 2025Q4: 80,000 shares; 2026Q1: 80,000 shares 80,000$10.3M7.31%0Timeline
BDXBECTON DICKINSON & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 23,500 shares; 2025Q4: not reported; 2026Q1: 48,750 shares 48,750$7.66M5.46%newTimeline
ANGIANGI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,000,000 shares 1,000,000$6.85M4.88%newTimeline
HDBHDFC BANK LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 210,000 shares; 2024Q4: 185,000 shares; 2025Q1: 175,000 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 250,000 shares 250,000$6.22M4.43%newTimeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 85,000 shares; 2024Q4: 73,750 shares; 2025Q1: 100,000 shares; 2025Q2: 100,000 shares; 2025Q3: 67,500 shares; 2025Q4: 41,250 shares; 2026Q1: 23,500 shares 23,500$4.89M3.49%-17,750Timeline
WDAYWORKDAY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 17,500 shares 17,500$2.27M1.62%newTimeline
BLDRBUILDERS FIRSTSOURCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 27,500 shares; 2024Q4: 15,000 shares; 2025Q1: 15,000 shares; 2025Q2: 15,000 shares; 2025Q3: 15,000 shares; 2025Q4: 15,000 shares; 2026Q1: 15,000 shares 15,000$1.23M0.88%0Timeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
BALLBALL CORP200,000$10.6Mshares
AWKAMERICAN WTR WKS CO INC NEW75,000$9.79Mshares
OLNOLIN CORP150,000$3.12Mshares
AEMAGNICO EAGLE MINES LTD15,000$2.54Mshares
KNFKNIFE RIVER CORP34,071$2.4Mshares
NEOGNEOGEN CORP100,000$699Kshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001398344-26-009297 base2026-05-15acceptance time not in the bulk data set