CSW · Insider trading · 13F holders · Congress trades
CSW Industrials, Inc. (CSW)
Who is buying and selling CSW: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 23
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $3.2M
- Congress trades, 12 months
- 7
CSW at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 CSW insiders filed 5 sales worth $3.2M on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
- 23 13F filers hold CSW among their 50 largest positions, worth $591.1M combined. The biggest bets by portfolio weight are Montanaro Asset Management Ltd (3.6%), Southernsun Asset Management, LLC (3.5%) and Conestoga Capital Advisors, LLC (2.9%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
- Members of Congress have disclosed 7 CSW trades since 2025, 7 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Jul 16, 2026.
- CSW last closed at $291.42 on Oct 29, 2026.
CSW insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 CSW insiders filed 5 sales worth $3.2M on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 16, 2026 | Armes Joseph B | Chairman, President & CEO, Director | Sale10b5-1 | 1,500 | $287.04 | $431K | SEC |
| Sep 16, 2026 | Armes Joseph B | Chairman, President & CEO, Director | Sale10b5-1 | 1,500 | $289.58 | $434K | SEC |
| Aug 17, 2026 | Armes Joseph B | Chairman, President & CEO, Director | Sale10b5-1 | 1,500 | $345.16 | $518K | SEC |
| Aug 11, 2026 | Underwood Jeff | EVP, GM Contractor Solutions | Sale | 720 | $346.96 | $250K | SEC |
| Aug 5, 2026 | Sullivan Don | EVP, Chief Strategy Officer | Sale | 4,526 | $343.75 | $1.6M | SEC |
Who owns CSW? Hedge funds and superinvestors
23 13F filers hold CSW among their 50 largest positions, worth $591.1M combined. The biggest bets by portfolio weight are Montanaro Asset Management Ltd (3.6%), Southernsun Asset Management, LLC (3.5%) and Conestoga Capital Advisors, LLC (2.9%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Wasatch Advisors LPAsset manager | 1.3% | $171.7M | 596,128 | -14.0% shares | Q3 2026 |
| Conestoga Capital Advisors, LLCMutual fund manager | 2.9% | $131.3M | 471,727 | -18.4% shares | Q2 2026 |
| Channing Capital Management, LLCInstitutional asset manager | 1.9% | $83.3M | 299,374 | -2.0% shares | Q2 2026 |
| Champlain Investment Partners, LLCMutual fund manager | 1.0% | $38.5M | 138,500 | — | Q2 2026 |
| Southernsun Asset Management, LLCMutual fund manager | 3.5% | $26.4M | 94,698 | +7.2% shares | Q2 2026 |
| Langdon Equity PartnersHedge fund | 12.8% | $23.0M | 82,500 | +4.1% shares | Q2 2026 |
| Zuckerman Investment Group, LLCWealth manager | 1.9% | $22.5M | 80,842 | +0.8% shares | Q2 2026 |
| Jacobson & Schmitt Advisors, LLCWealth manager | 2.7% | $16.2M | 58,309 | -8.5% shares | Q2 2026 |
| Tributary Capital Management, LLCMutual fund manager | 1.4% | $15.4M | 53,538 | -4.2% shares | Q3 2026 |
| Punch & Associates Investment Management, Inc.Wealth manager | 0.7% | $15.1M | 54,288 | +6.5% shares | Q2 2026 |
| Montanaro Asset Management LtdAsset manager | 3.6% | $11.3M | 40,705 | -18.3% shares | Q2 2026 |
| Heron Bay Capital ManagementWealth manager | 0.8% | $9.2M | 33,174 | -5.1% shares | Q2 2026 |
| Mountain Pacific Investment Advisers LLCWealth manager | 1.0% | $5.8M | 20,286 | +8.7% shares | Q3 2026 |
| Moody Aldrich Partners LLCAsset manager | 0.9% | $4.9M | 16,964 | — | Q3 2026 |
| Grandeur Peak Global Advisors, LLCMutual fund manager | 0.8% | $3.3M | 11,793 | +19.0% shares | Q2 2026 |
| Roubaix Capital, LLCHedge fund | 1.1% | $3.1M | 11,012 | New | Q2 2026 |
| Walter & Keenan Wealth Management LLC /in/ /advWealth manager | 0.6% | $2.2M | 8,077 | +0.0% shares | Q2 2026 |
| Moerus Capital Management LLCInstitutional asset manager | 0.8% | $1.9M | 6,847 | +0.0% shares | Q2 2026 |
| Port Capital LLCHedge fund | 0.1% | $1.4M | 5,000 | -2.0% shares | Q2 2026 |
| Cadinha & Co LLCWealth manager | 0.2% | $1.2M | 4,283 | — | Q3 2026 |
| Artesa Financial Group, LLCWealth manager | 1.0% | $1.2M | 4,218 | -0.3% shares | Q3 2026 |
| Laurus Global Equity Management Inc.Institutional asset manager | 1.1% | $1.1M | 4,180 | +5.0% shares | Q1 2026 |
| Sovereign's Capital Management, LLCHedge fund | 0.6% | $941K | 3,380 | -2.2% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 6, Q2 2026: 16, Q1 2026: 1). Screen CSW in the grand portfolio →
CSW stock trades by members of Congress
Members of Congress have disclosed 7 CSW trades since 2025, 7 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Jul 16, 2026.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Sep 4, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Jul 16, 2026 | -2.5% |
| Jun 8, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | May 18, 2026 | +12.7% |
| Apr 7, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Mar 3, 2026 | +5.7% |
| Feb 13, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Jan 15, 2026 | -10.8% |
| Dec 29, 2025 | Josh GottheimerD-NJ · House | Buy | $1K–15K | Nov 17, 2025 | +21.5% |
| Dec 15, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Nov 18, 2025 | +22.0% |
| Dec 15, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Nov 6, 2025 | +17.6% |
2 members have traded CSW: Gilbert Ray Cisneros, Jr., Josh Gottheimer.
CSW questions and answers
Are insiders buying CSW stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 CSW insiders filed 5 sales worth $3.2M on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own CSW?
23 13F filers hold CSW among their 50 largest positions, worth $591.1M combined. The biggest bets by portfolio weight are Montanaro Asset Management Ltd (3.6%), Southernsun Asset Management, LLC (3.5%) and Conestoga Capital Advisors, LLC (2.9%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
Has Congress traded CSW?
Members of Congress have disclosed 7 CSW trades since 2025, 7 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Jul 16, 2026.
Who is the largest holder of CSW?
Among 13F filers, Wasatch Advisors LP reports the largest CSW position, $171.7M (596,128 shares) in its Q3 2026 13F. The biggest bet by portfolio weight is Montanaro Asset Management Ltd's: 3.6% of its portfolio.
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