iPath Series B Carbon Exchange-Traded Notes
7 hedge funds and large institutions have $4.5M invested in iPath Series B Carbon Exchange-Traded Notes in 2025 Q3 according to their latest regulatory filings, with 2 funds opening new positions, 2 increasing their positions, 0 reducing their positions, and 2 closing their positions.
56% more capital invested
Capital invested by funds: $2.88M → $4.5M (+$1.62M)
0% more funds holding
Funds holding: 7 → 7 (0)
0% more first-time investments, than exits
New positions opened: 2 | Existing positions closed: 2
14.44% less ownership
Funds ownership: 14.44% → 0% (-14%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FTUS
Flow Traders U.S.
New York
|
+$654K |
| 2 |
Jane Street
New York
|
+$605K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$42K |
| 4 |
Rockefeller Capital Management
New York
|
+$17.3K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AG
AmeriFlex Group
Las Vegas,
Nevada
|
-$41.8K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$3.58K |
GRN Hedge Fund Activity: Q3 2025 in Review
7 of the 7,630 institutional investors tracked by Wall St. Rank reported a position in iPath Series B Carbon Exchange-Traded Notes (GRN) for Q3 2025, worth a combined $4.5M — up 56% from $2.88M a quarter earlier.
Fund positioning in GRN was balanced in Q3 2025: 2 funds opened new positions, 2 closed out, 2 added to existing stakes and 0 trimmed.
The largest buyer was Flow Traders U.S., adding an estimated $654K. The largest seller was AmeriFlex Group, exiting entirely with an estimated $41.8K sold.
- 7 institutional investors held iPath Series B Carbon Exchange-Traded Notes (GRN) as of Q3 2025, unchanged from Q2 2025.
- Funds reported $4.5M of iPath Series B Carbon Exchange-Traded Notes stock for Q3 2025, up 56% quarter-over-quarter.
- 2 funds opened new iPath Series B Carbon Exchange-Traded Notes positions in Q3 2025 and 2 closed out, a net change of 0 holders.
- The largest iPath Series B Carbon Exchange-Traded Notes buyer in Q3 2025 was Flow Traders U.S., an estimated $654K added.
- The largest iPath Series B Carbon Exchange-Traded Notes seller in Q3 2025 was AmeriFlex Group, an estimated $41.8K sold.
Based on aggregated 13F filings for Q3 2025.