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Filers›Holding Co.›Soapstone Management L.P.
DOSSIER · 13F-HR · Q1 2026

Soapstone Management L.P.

Soapstone L.P.'s holding co. based in Boston, MA — $140M in tracked AUM across 12 positions as of Q1 2026.

SL
Soapstone L.P.·Boston, MA·Holding Co.
CIK 0001726948 · last filed Mar 31, 2026
Total AUM
$140M
▲ 17.0%
vs prior
Holdings
12
—
positions
Whale Score
71
71
strong
Activity
—
no data
changes this Q
Top sector
Tech
16% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

1. Portfolio Overview

Soapstone Management L.P. has undergone a significant transformation in the quarter ending September 30, 2025, characterized by a drastic reduction in portfolio size and a shift toward a highly concentrated strategy. The total portfolio value plummeted by 59.7%, decreasing from $150.68 million to $60.74 million. This reduction was not solely due to market performance but was driven largely by a substantial divestment strategy. The firm liquidated 11 positions entirely,...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
AGI
ALAMOS GOLD INC
$33M750K23.7%
02
PSA
PUBLIC STORAGE OPER CO
$20M75K14.5%
03
F21107101
CONSTELLIUM SE
$20M800K14.0%
04
TFX
TELEFLEX INCORPORATED
$14M119K10.1%
05
CFG
CITIZENS FINL GROUP INC
$13M225K9.6%
06
MTN
VAIL RESORTS INC
$10M80K7.3%
07
BDX
BECTON DICKINSON & CO
$8M49K5.5%
08
ANGI
ANGI INC
$7M1.0M4.9%
09
HDB
HDFC BANK LTD
$6M250K4.4%
10
AMZN
AMAZON COM INC
$5M24K3.5%

Filing history

Filing history loading…
AI Agent · grounded in Soapstone
haiku-4-5 · 12 positions indexed
Sector mix
  • Tech16%
  • Financials49%
  • Health Care8%
  • Communications13%
  • Energy18%
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