STOX · Insider trading · 13F holders · Congress trades
Horizon Fds (STOX)
Who is buying and selling STOX: 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
- 1
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
STOX at a glance
- No open-market insider purchases or sales of STOX were filed in the last 90 days.
- 1 13F filer hold STOX among their 50 largest positions, worth $28.9M combined. The biggest bets by portfolio weight are Cooper Financial Group (2.3%).
- No member of Congress has disclosed a trade in STOX.
STOX insider trading
No open-market insider purchases or sales of STOX were filed in the last 90 days.
Who owns STOX? Hedge funds and superinvestors
1 13F filer hold STOX among their 50 largest positions, worth $28.9M combined. The biggest bets by portfolio weight are Cooper Financial Group (2.3%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Cooper Financial GroupWealth manager | 2.3% | $28.9M | 904,387 | +2.9% shares | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 1). Screen STOX in the grand portfolio →
STOX stock trades by members of Congress
No member of Congress has disclosed a trade in STOX.
STOX questions and answers
Are insiders buying STOX stock?
No open-market insider purchases or sales of STOX were filed in the last 90 days.
Which hedge funds own STOX?
1 13F filer hold STOX among their 50 largest positions, worth $28.9M combined. The biggest bets by portfolio weight are Cooper Financial Group (2.3%).
Has Congress traded STOX?
No member of Congress has disclosed a trade in STOX.
Who is the largest holder of STOX?
Among 13F filers, Cooper Financial Group reports the largest STOX position, $28.9M (904,387 shares) in its Q3 2026 13F. The biggest bet by portfolio weight is Cooper Financial Group's: 2.3% of its portfolio.
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