Corporate Treasury / Publicly Traded Corporation

STONE RUN CAPITAL, LLC

SEC 13F Filer (Publicly Traded Corporation) Corporate CIK: 0001512746
13F Score
13
3-Year
13F Score
15
7-Year
S&P 500
80
Benchmark
$254M
AUM
-2.54%
2025 Q3
-3.34%
1-Year Return
+38.34%
Top 10 Concentration
+7.87%
Turnover
+1.50%
AUM Change
Since 2011
First Filing
68
# of Holdings

Fund Overview

About
Investment Strategy
Analytics Summary
Risk Profile
Key Personnel
Julie Sweet — Chair & Chief Executive Officer
KC McClure — Chief Financial Officer
Jean-Marc Ollagnier — Chief Executive Officer, Europe

Activity Summary — 2025 Q3

Q3 2025 13F Filed: Nov 14, 2025

Top Buys

% $
Stock % Impact
SNPS SYNOPSYS INC.. +1.20%
ANET ARISTA NETWORKS.. +1.13%
GLW CORNING INC.. +0.98%
APH AMPHENOL CORP N.. +0.84%
TMO THERMO FISHER S.. +0.65%
GOOGL ALPHABET INC.. +0.60%

Top Sells

% $
Stock % Impact
ANSS ANSYS INC.. Sold All 😨 Was: 2.25% -2.22%
IT GARTNER INC.. -0.88%
MIDD MIDDLEBY CORP.. -0.81%
FI FISERV INC.. -0.65%
ROP ROPER TECHNOLOG.. -0.53%
SPGI S&P GLOBAL INC.. -0.51%

Top Holdings

2025 Q3
Stock %
APH Amphenol Cor.. 4.65%
HEI Heico Corp N.. 4.51%
BRK/B Berkshire Ha.. 4.07%
ADSK Autodesk Inc.. 3.95%
ANET Arista Netwo.. 3.81%
MLM Martin Marie.. 3.79%
View All Holdings

Activity Summary

Latest
Market Value $254M
AUM Change +1.50%
New Positions 5
Increased Positions 13
Closed Positions 2
Top 10 Concentration +38.34%
Portfolio Turnover +7.87%
Alt Turnover +8.61%

Sector Allocation Trends

Quarterly History
Free View: Last 6 Quarters. Subscribe to see full history

Holdings Analysis

Size: % of Portfolio Color: Qtr Return No data

Positions Dynamics

Visualizing Top 20 holdings weight history over the last 10 quarters.

Portfolio Analytics — Latest

Quarterly 13F AUM (in billions) — Full History
* Data may contain inaccuracies due to the complex nature of determining total Assets Under Management (AUM).
Guru Intelligence Hub Pro
Real-time Analytics
High-Conviction Alpha
AAPL 92.4
NVDA 88.1
MSFT 74.3
Strategy Guardian
Style Drift 0.12
Sector Rotation 0.38

Tracking institutional benchmark deviation

Scenario Lab
2008 GFC -32.4%
Covid-19 -18.1%
2022 Bear -24.7%
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Best Strategy vs. Benchmarks

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Risk
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Beta vs SPY
Quality
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Sharpe
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Win Rate
Edge Metrics Last 10 quarters only
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Alpha annualized
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Up Capture
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Down Capture

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Disclaimer: 13Foresight is not a registered investment adviser, broker-dealer, or financial planner. All information on this site is provided solely for informational and educational purposes and does not constitute investment advice, a solicitation, or a recommendation to buy or sell any security. Portfolio backtests shown on this page are hypothetical and simulated — they do not represent actual trading results and were constructed with the benefit of hindsight. Actual results would differ materially. 13F filings disclose only long equity positions valued above $10,000, submitted up to 45 days after quarter-end; they do not capture short positions, options, bonds, cash, private investments, or non-U.S. securities. A fund's backtest performance may not reflect its actual returns, as managers frequently generate alpha through strategies not visible in 13F data. Past performance is not indicative of future results. All data sourced from public SEC EDGAR filings. Use at your own risk. Full Terms of Use.