JBI · Insider trading · 13F holders · Congress trades
Janus International Group, Inc. (JBI)
Who is buying and selling JBI: 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
- 12
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 5
JBI at a glance
- No open-market insider purchases or sales of JBI were filed in the last 90 days.
- 12 13F filers hold JBI among their 50 largest positions, worth $59.7M combined. The biggest bets by portfolio weight are Mw Advisory, LLC (4.0%), Grizzlyrock Capital, LLC (3.2%) and Villanova Investment Management Co LLC (1.7%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
- Members of Congress have disclosed 5 JBI trades since 2021, 2 purchases and 3 sales in the past year; the latest was Alan S. Lowenthal (D-CA), selling $1K–15K on Mar 25, 2022.
- JBI last closed at $4.63 on Oct 30, 2026.
JBI insider trading
No open-market insider purchases or sales of JBI were filed in the last 90 days.
Who owns JBI? Hedge funds and superinvestors
12 13F filers hold JBI among their 50 largest positions, worth $59.7M combined. The biggest bets by portfolio weight are Mw Advisory, LLC (4.0%), Grizzlyrock Capital, LLC (3.2%) and Villanova Investment Management Co LLC (1.7%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Atlas FRM LLCHedge fund | 0.8% | $18.0M | 3,240,000 | New | Q2 2026 |
| Anchor Capital Management Company, LLCHedge fund | 10.9% | $10.6M | 1,909,226 | +57.9% shares | Q2 2026 |
| Mw Advisory, LLCWealth manager | 4.0% | $10.0M | 2,433,549 | +11.4% shares | Q3 2026 |
| Gumshoe Capital Management LLCHedge fund | 8.5% | $9.3M | 1,681,076 | -31.5% shares | Q2 2026 |
| Grizzlyrock Capital, LLCHedge fund | 3.2% | $4.6M | 826,983 | +31.9% shares | Q2 2026 |
| Villanova Investment Management Co LLCInstitutional asset manager | 1.7% | $1.8M | 327,659 | +30.2% shares | Q2 2026 |
| Seven Six Capital Management, LLCHedge fund | 1.7% | $1.8M | 326,900 | +179.4% shares | Q2 2026 |
| JBF Capital, Inc.Asset manager | 0.2% | $1.7M | 300,000 | — | Q2 2026 |
| Bernzott Capital AdvisorsWealth manager | 0.4% | $857K | 209,498 | -82.5% shares | Q3 2026 |
| Cannon Capital Management, Inc.Wealth manager | 0.7% | $788K | 141,949 | +0.0% shares | Q2 2026 |
| Dba Trading, LLCInvestment manager | 0.1% | $206K | 40,000 | +0.0% shares | Q2 2026 |
| Mbb Public Markets I LLCInvestment manager | 0.0% | $110K | 19,808 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 10). Screen JBI in the grand portfolio →
JBI stock trades by members of Congress
Members of Congress have disclosed 5 JBI trades since 2021, 2 purchases and 3 sales in the past year; the latest was Alan S. Lowenthal (D-CA), selling $1K–15K on Mar 25, 2022.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Apr 10, 2022 | Alan S. LowenthalD-CA · House | Sale | $1K–15K | Mar 25, 2022 | -48.6% |
| Apr 10, 2022 | Alan S. LowenthalD-CA · House | Sale | $1K–15K | Mar 24, 2022 | -49.2% |
| Mar 26, 2022 | Alan S. LowenthalD-CA · House | Sale | $1K–15K | Mar 16, 2022 | -50.3% |
| Jan 21, 2022 | Alan S. LowenthalD-CA · House | Buy | $1K–15K | Jan 7, 2022 | -61.5% |
| Jan 6, 2022 | Alan S. LowenthalD-CA · House | Buy | $1K–15K | Dec 20, 2021 | -60.1% |
JBI questions and answers
Are insiders buying JBI stock?
No open-market insider purchases or sales of JBI were filed in the last 90 days.
Which hedge funds own JBI?
12 13F filers hold JBI among their 50 largest positions, worth $59.7M combined. The biggest bets by portfolio weight are Mw Advisory, LLC (4.0%), Grizzlyrock Capital, LLC (3.2%) and Villanova Investment Management Co LLC (1.7%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
Has Congress traded JBI?
Members of Congress have disclosed 5 JBI trades since 2021, 2 purchases and 3 sales in the past year; the latest was Alan S. Lowenthal (D-CA), selling $1K–15K on Mar 25, 2022.
Who is the largest holder of JBI?
Among 13F filers, Atlas FRM LLC reports the largest JBI position, $18.0M (3,240,000 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Mw Advisory, LLC's: 4.0% of its portfolio.
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