WBI · Insider trading · 13F holders · Congress trades
WaterBridge Infrastructure LLC (WBI)
Who is buying and selling WBI: 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
- 17
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 1
WBI at a glance
- No open-market insider purchases or sales of WBI were filed in the last 90 days.
- 17 13F filers hold WBI among their 50 largest positions, worth $817.7M combined. The biggest bets by portfolio weight are Tensile Capital Management LP (5.1%), Mad River Investors (3.1%) and Horizon Kinetics Asset Management LLC (3.0%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
- Members of Congress have disclosed 1 WBI trade since 2025, 1 purchase and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $100K–250K on Nov 11, 2025.
- WBI last closed at $31.01 on Oct 30, 2026.
WBI insider trading
No open-market insider purchases or sales of WBI were filed in the last 90 days.
Who owns WBI? Hedge funds and superinvestors
17 13F filers hold WBI among their 50 largest positions, worth $817.7M combined. The biggest bets by portfolio weight are Tensile Capital Management LP (5.1%), Mad River Investors (3.1%) and Horizon Kinetics Asset Management LLC (3.0%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Alps Advisors IncMutual fund manager | 1.6% | $337.6M | 9,851,493 | — | Q2 2026 |
| Horizon Kinetics Asset Management LLCAsset manager | 3.0% | $262.2M | 7,650,237 | +4.2% shares | Q2 2026 |
| Schwartz Investment Counsel IncMutual fund manager | 1.6% | $46.5M | 1,654,594 | -1.6% shares | Q3 2026 |
| Tensile Capital Management LPHedge fund | 5.1% | $37.1M | 1,082,533 | +9.9% shares | Q2 2026 |
| Emory UniversityEndowment & foundation | 21.4% | $34.3M | 1,001,685 | +0.2% shares | Q2 2026 |
| Hill City Capital, LPHedge fund | 0.6% | $24.0M | 700,000 | +0.0% shares | Q2 2026 |
| Ranger Investment Management, L.P.Institutional asset manager | 1.5% | $23.4M | 682,262 | -26.2% shares | Q2 2026 |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENTHedge fund | 0.9% | $18.6M | 660,000 | +6.5% shares | Q3 2026 |
| Westend Capital Management, LLCWealth manager | 2.6% | $11.4M | 333,660 | — | Q2 2026 |
| Mad River InvestorsWealth manager | 3.1% | $7.6M | 268,751 | +0.4% shares | Q3 2026 |
| EagleClaw Capital Managment, LLCAsset manager | 0.9% | $7.0M | 203,650 | +1.7% shares | Q2 2026 |
| Pecaut & Co.Wealth manager | 0.7% | $2.4M | 87,000 | +0.0% shares | Q3 2026 |
| Promethium Advisors,llcWealth manager | 1.1% | $2.1M | 75,984 | +1.5% shares | Q3 2026 |
| Caz Investments LPHedge fund | 1.9% | $1.7M | 50,000 | -55.6% shares | Q2 2026 |
| Adalta Capital Management LLCWealth manager | 0.4% | $852K | 24,875 | — | Q2 2026 |
| Atlas Wealth Partners, LLCWealth manager | 0.6% | $539K | 15,715 | +0.0% shares | Q2 2026 |
| Msrh, LLCHedge fund | 0.3% | $335K | 12,500 | +0.0% shares | Q1 2026 |
Each manager counts with its latest 13F (Q3 2026: 5, Q2 2026: 11, Q1 2026: 1). Screen WBI in the grand portfolio →
WBI stock trades by members of Congress
Members of Congress have disclosed 1 WBI trade since 2025, 1 purchase and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $100K–250K on Nov 11, 2025.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Dec 15, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $100K–250K | Nov 11, 2025 | +19.3% |
WBI questions and answers
Are insiders buying WBI stock?
No open-market insider purchases or sales of WBI were filed in the last 90 days.
Which hedge funds own WBI?
17 13F filers hold WBI among their 50 largest positions, worth $817.7M combined. The biggest bets by portfolio weight are Tensile Capital Management LP (5.1%), Mad River Investors (3.1%) and Horizon Kinetics Asset Management LLC (3.0%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
Has Congress traded WBI?
Members of Congress have disclosed 1 WBI trade since 2025, 1 purchase and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $100K–250K on Nov 11, 2025.
Who is the largest holder of WBI?
Among 13F filers, Alps Advisors Inc reports the largest WBI position, $337.6M (9,851,493 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Tensile Capital Management LP's: 5.1% of its portfolio.
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