ISDR · Insider trading · 13F holders · Congress trades
sP Issuer Direct Corporation (ISDR)
Who is buying and selling ISDR: 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
- 3
ISDR at a glance
- No open-market insider purchases or sales of ISDR were filed in the last 90 days.
- 1 13F filer hold ISDR among their 50 largest positions, worth $4.6M combined. The biggest bets by portfolio weight are Topline Capital Management, LLC (1.2%).
- Members of Congress have disclosed 3 ISDR trades since 2016, 1 purchase and 2 sales in the past year; the latest was Mo Brooks (R-AL), selling $1K–15K on Dec 14, 2016.
ISDR insider trading
No open-market insider purchases or sales of ISDR were filed in the last 90 days.
Who owns ISDR? Hedge funds and superinvestors
1 13F filer hold ISDR among their 50 largest positions, worth $4.6M combined. The biggest bets by portfolio weight are Topline Capital Management, LLC (1.2%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Topline Capital Management, LLCHedge fund | 1.2% | $4.6M | 709,264 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 1). Screen ISDR in the grand portfolio →
ISDR stock trades by members of Congress
Members of Congress have disclosed 3 ISDR trades since 2016, 1 purchase and 2 sales in the past year; the latest was Mo Brooks (R-AL), selling $1K–15K on Dec 14, 2016.
ISDR questions and answers
Are insiders buying ISDR stock?
No open-market insider purchases or sales of ISDR were filed in the last 90 days.
Which hedge funds own ISDR?
1 13F filer hold ISDR among their 50 largest positions, worth $4.6M combined. The biggest bets by portfolio weight are Topline Capital Management, LLC (1.2%).
Has Congress traded ISDR?
Members of Congress have disclosed 3 ISDR trades since 2016, 1 purchase and 2 sales in the past year; the latest was Mo Brooks (R-AL), selling $1K–15K on Dec 14, 2016.
Who is the largest holder of ISDR?
Among 13F filers, Topline Capital Management, LLC reports the largest ISDR position, $4.6M (709,264 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Topline Capital Management, LLC's: 1.2% of its portfolio.
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