CWT · Insider trading · 13F holders · Congress trades
California Water Service Group (CWT)
Who is buying and selling CWT: 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
- 11
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $211K
- Congress trades, 12 months
- 0
CWT at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 CWT insiders filed 2 sales worth $211K on SEC Form 4, and no open-market purchases.
- 11 13F filers hold CWT among their 50 largest positions, worth $241.5M combined. The biggest bets by portfolio weight are Nuance Investments, LLC (9.1%), Beck Bode, LLC (3.1%) and ATLAS Infrastructure Partners (UK) Ltd. (2.9%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
- No member of Congress has disclosed a trade in CWT.
- CWT last closed at $47.62 on Oct 29, 2026.
CWT insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 CWT insiders filed 2 sales worth $211K on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | Snow Lester A | Director | Sale | 500 | $50.21 | $25K | SEC |
| Aug 14, 2026 | Krummel Thomas M | Director | Sale | 3,700 | $50.37 | $186K | SEC |
Who owns CWT? Hedge funds and superinvestors
11 13F filers hold CWT among their 50 largest positions, worth $241.5M combined. The biggest bets by portfolio weight are Nuance Investments, LLC (9.1%), Beck Bode, LLC (3.1%) and ATLAS Infrastructure Partners (UK) Ltd. (2.9%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| ATLAS Infrastructure Partners (UK) Ltd.Hedge fund | 2.9% | $96.6M | 1,984,605 | New | Q2 2026 |
| Nuance Investments, LLCAsset manager | 9.1% | $53.3M | 1,096,077 | -31.7% shares | Q2 2026 |
| ANTIPODES PARTNERS LtdAsset manager | 0.7% | $36.7M | 753,386 | — | Q2 2026 |
| Triodos Investment Management BVAsset manager | 1.5% | $24.0M | 493,000 | +19.1% shares | Q2 2026 |
| Beck Bode, LLCWealth manager | 3.1% | $20.8M | 426,692 | +3.6% shares | Q2 2026 |
| Nia Impact Advisors, LLCWealth manager | 1.7% | $4.2M | 85,841 | +139.0% shares | Q2 2026 |
| Northstar Asset Management IncWealth manager | 0.7% | $2.3M | 48,193 | -19.7% shares | Q2 2026 |
| CoreCommodity Management, LLCMutual fund manager | 0.4% | $2.1M | 42,138 | — | Q2 2026 |
| Wulff, Hansen & Co.Wealth manager | 0.7% | $935K | 19,215 | -0.8% shares | Q2 2026 |
| Blackhill Capital IncWealth manager | 0.0% | $370K | 7,600 | +0.0% shares | Q2 2026 |
| Ketron FinancialWealth manager | 0.1% | $336K | 6,900 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 11). Screen CWT in the grand portfolio →
CWT stock trades by members of Congress
No member of Congress has disclosed a trade in CWT.
CWT questions and answers
Are insiders buying CWT stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 CWT insiders filed 2 sales worth $211K on SEC Form 4, and no open-market purchases.
Which hedge funds own CWT?
11 13F filers hold CWT among their 50 largest positions, worth $241.5M combined. The biggest bets by portfolio weight are Nuance Investments, LLC (9.1%), Beck Bode, LLC (3.1%) and ATLAS Infrastructure Partners (UK) Ltd. (2.9%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
Has Congress traded CWT?
No member of Congress has disclosed a trade in CWT.
Who is the largest holder of CWT?
Among 13F filers, ATLAS Infrastructure Partners (UK) Ltd. reports the largest CWT position, $96.6M (1,984,605 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Nuance Investments, LLC's: 9.1% of its portfolio.
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