BLDX · Insider trading · 13F holders · Congress trades
Impax Funds Series Trust I (BLDX)
Who is buying and selling BLDX: 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
- 4
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
BLDX at a glance
- No open-market insider purchases or sales of BLDX were filed in the last 90 days.
- 4 13F filers hold BLDX among their 50 largest positions, worth $20.5M combined. The biggest bets by portfolio weight are Millstone Evans Group, LLC (5.7%), Sparta 24 Ltd. (2.5%) and Allodium Investment Consultants, LLC (1.2%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in BLDX.
BLDX insider trading
No open-market insider purchases or sales of BLDX were filed in the last 90 days.
Who owns BLDX? Hedge funds and superinvestors
4 13F filers hold BLDX among their 50 largest positions, worth $20.5M combined. The biggest bets by portfolio weight are Millstone Evans Group, LLC (5.7%), Sparta 24 Ltd. (2.5%) and Allodium Investment Consultants, LLC (1.2%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Millstone Evans Group, LLCWealth manager | 5.7% | $10.5M | 403,194 | — | Q2 2026 |
| SK Wealth Management, LLCWealth manager | 1.0% | $4.3M | 164,637 | — | Q2 2026 |
| Allodium Investment Consultants, LLCWealth manager | 1.2% | $3.0M | 123,376 | +10.6% shares | Q3 2026 |
| Sparta 24 Ltd.Investment manager | 2.5% | $2.7M | 2,047,195 | New | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 3). Screen BLDX in the grand portfolio →
BLDX stock trades by members of Congress
No member of Congress has disclosed a trade in BLDX.
BLDX questions and answers
Are insiders buying BLDX stock?
No open-market insider purchases or sales of BLDX were filed in the last 90 days.
Which hedge funds own BLDX?
4 13F filers hold BLDX among their 50 largest positions, worth $20.5M combined. The biggest bets by portfolio weight are Millstone Evans Group, LLC (5.7%), Sparta 24 Ltd. (2.5%) and Allodium Investment Consultants, LLC (1.2%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded BLDX?
No member of Congress has disclosed a trade in BLDX.
Who is the largest holder of BLDX?
Among 13F filers, Millstone Evans Group, LLC reports the largest BLDX position, $10.5M (403,194 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Millstone Evans Group, LLC's: 5.7% of its portfolio.
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