XBB · Insider trading · 13F holders · Congress trades
Bondbloxx ETF Trust (XBB)
Who is buying and selling XBB: 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
- 5
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
XBB at a glance
- No open-market insider purchases or sales of XBB were filed in the last 90 days.
- 5 13F filers hold XBB among their 50 largest positions, worth $385.7M combined. The biggest bets by portfolio weight are Municipal Employees' Retirement System of Michigan (3.3%), Potomac Fund Management Inc /adv (1.4%) and Atwood & Palmer Inc (1.1%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in XBB.
XBB insider trading
No open-market insider purchases or sales of XBB were filed in the last 90 days.
Who owns XBB? Hedge funds and superinvestors
5 13F filers hold XBB among their 50 largest positions, worth $385.7M combined. The biggest bets by portfolio weight are Municipal Employees' Retirement System of Michigan (3.3%), Potomac Fund Management Inc /adv (1.4%) and Atwood & Palmer Inc (1.1%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Municipal Employees' Retirement System of MichiganPension fund | 3.3% | $302.2M | 7,372,511 | +0.0% shares | Q2 2026 |
| Potomac Fund Management Inc /advAsset manager | 1.4% | $55.0M | 1,342,400 | — | Q2 2026 |
| Atwood & Palmer IncWealth manager | 1.1% | $20.7M | 523,438 | +3.2% shares | Q3 2026 |
| Toews Corp /advInvestment manager | 1.0% | $6.6M | 161,700 | New | Q2 2026 |
| Teucrium Investment Advisors, LLCMutual fund manager | 1.0% | $1.2M | 28,510 | -11.2% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 4). Screen XBB in the grand portfolio →
XBB stock trades by members of Congress
No member of Congress has disclosed a trade in XBB.
XBB questions and answers
Are insiders buying XBB stock?
No open-market insider purchases or sales of XBB were filed in the last 90 days.
Which hedge funds own XBB?
5 13F filers hold XBB among their 50 largest positions, worth $385.7M combined. The biggest bets by portfolio weight are Municipal Employees' Retirement System of Michigan (3.3%), Potomac Fund Management Inc /adv (1.4%) and Atwood & Palmer Inc (1.1%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
Has Congress traded XBB?
No member of Congress has disclosed a trade in XBB.
Who is the largest holder of XBB?
Among 13F filers, Municipal Employees' Retirement System of Michigan reports the largest XBB position, $302.2M (7,372,511 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Municipal Employees' Retirement System of Michigan's: 3.3% of its portfolio.
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