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iPath Series B Carbon Exchange-Traded Notes
GRN

6 hedge funds and large institutions have $2.72M invested in iPath Series B Carbon Exchange-Traded Notes in 2026 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 2 increasing their positions, 0 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

3% more capital invested

Capital invested by funds: $2.64M → $2.72M (+$84.2K)

14% less funds holding

Funds holding: 7 → 6 (-1)

50% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 2

Holders
6
Holders Change
-1
Holders Change %
-14.29%
% of All Funds
0.07%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
2
Reduced
–
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
+$244K
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$31.4K
3
UBS Group
UBS Group
Switzerland
+$5.41K

Top Sellers

Rank Fund Capital Flow
1
FTUS
Flow Traders U.S.
New York
-$233K
2
STA
Summit Trail Advisors
New York
-$215K

GRN Hedge Fund Activity: Q2 2026 in Review

6 of the 8,346 institutional investors tracked by Wall St. Rank reported a position in iPath Series B Carbon Exchange-Traded Notes (GRN) for Q2 2026, worth a combined $2.72M — up 3.2% from $2.64M a quarter earlier.

Sellers outnumbered buyers: 2 funds closed out of GRN and 1 opened new positions — a net loss of 1 holder — while 0 trimmed existing stakes and 2 added.

The largest buyer was Jane Street, adding an estimated $244K. The largest seller was Flow Traders U.S., exiting entirely with an estimated $233K sold.

  • 6 institutional investors held iPath Series B Carbon Exchange-Traded Notes (GRN) as of Q2 2026, down from 7 in Q1 2026.
  • Funds reported $2.72M of iPath Series B Carbon Exchange-Traded Notes stock for Q2 2026, up 3.2% quarter-over-quarter.
  • 1 fund opened new iPath Series B Carbon Exchange-Traded Notes positions in Q2 2026 and 2 closed out, a net change of -1 holder.
  • The largest iPath Series B Carbon Exchange-Traded Notes buyer in Q2 2026 was Jane Street, an estimated $244K added.
  • The largest iPath Series B Carbon Exchange-Traded Notes seller in Q2 2026 was Flow Traders U.S., an estimated $233K sold.

Based on aggregated 13F filings for Q2 2026.