GLAS · Insider trading · 13F holders · Congress trades
Glass House Brands Inc. (GLAS)
Who is buying and selling GLAS: 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
- 10
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $31K
- Congress trades, 12 months
- 0
GLAS at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 GLAS insider filed 1 sale worth $31K on SEC Form 4, and no open-market purchases.
- 10 13F filers hold GLAS among their 50 largest positions, worth $141.6M combined. The biggest bets by portfolio weight are Western Standard LLC (11.9%), Grizzlyrock Capital, LLC (5.6%) and Park West Asset Management LLC (4.6%). In their latest 13Fs, 5 managers opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in GLAS.
- GLAS last closed at $2.28 on Oct 29, 2026.
GLAS insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 GLAS insider filed 1 sale worth $31K on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Tu William | SVP, Corporate Controller | Sale | 3,818 | $8.03 | $31K | SEC |
Who owns GLAS? Hedge funds and superinvestors
10 13F filers hold GLAS among their 50 largest positions, worth $141.6M combined. The biggest bets by portfolio weight are Western Standard LLC (11.9%), Grizzlyrock Capital, LLC (5.6%) and Park West Asset Management LLC (4.6%). In their latest 13Fs, 5 managers opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Park West Asset Management LLCHedge fund | 4.6% | $67.4M | 5,182,030 | New | Q2 2026 |
| Western Standard LLCHedge fund | 11.9% | $35.0M | 2,728,768 | New | Q2 2026 |
| Cantor Fitzgerald, L. P.Investment manager | 0.3% | $16.7M | 1,350,000 | — | Q2 2026 |
| AdvisorShares Investments LLCMutual fund manager | 1.3% | $11.1M | 850,000 | — | Q2 2026 |
| Grizzlyrock Capital, LLCHedge fund | 5.6% | $7.9M | 611,000 | New | Q2 2026 |
| Scoggin Management LPHedge fund | 0.3% | $1.3M | 101,182 | New | Q2 2026 |
| Zazove Associates LLCInstitutional asset manager | 1.1% | $1.0M | 79,844 | — | Q2 2026 |
| Cedar Wealth Management, LLCWealth manager | 0.2% | $731K | 56,211 | — | Q2 2026 |
| Dba Trading, LLCInvestment manager | 0.2% | $490K | 60,000 | New | Q2 2026 |
| PharVision Advisers, LLCHedge fund | 2.6% | $64K | 11,325 | — | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 9). Screen GLAS in the grand portfolio →
GLAS stock trades by members of Congress
No member of Congress has disclosed a trade in GLAS.
GLAS questions and answers
Are insiders buying GLAS stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 GLAS insider filed 1 sale worth $31K on SEC Form 4, and no open-market purchases.
Which hedge funds own GLAS?
10 13F filers hold GLAS among their 50 largest positions, worth $141.6M combined. The biggest bets by portfolio weight are Western Standard LLC (11.9%), Grizzlyrock Capital, LLC (5.6%) and Park West Asset Management LLC (4.6%). In their latest 13Fs, 5 managers opened a new position and 0 added to one.
Has Congress traded GLAS?
No member of Congress has disclosed a trade in GLAS.
Who is the largest holder of GLAS?
Among 13F filers, Park West Asset Management LLC reports the largest GLAS position, $67.4M (5,182,030 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Western Standard LLC's: 11.9% of its portfolio.
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