iShares Low Carbon Optimized MSCI ACWI ETF
CRBN
128 hedge funds and large institutions have $603M invested in iShares Low Carbon Optimized MSCI ACWI ETF in 2025 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 49 increasing their positions, 31 reducing their positions, and 21 closing their positions.
58% more repeat investments, than reductions
Existing positions increased: 49 | Existing positions reduced: 31
3.88% more ownership
Funds ownership: 56.93% → 60.81% (+3.9%)
3% more capital invested
Capital invested by funds: $588M → $603M (+$15.2M)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
7% less funds holding
Funds holding: 138 → 128 (-10)
43% less first-time investments, than exits
New positions opened: 12 | Existing positions closed: 21
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Betterment LLC
New York
|
+$2.64M |
| 2 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$2.23M |
| 3 |
BWP
BSW Wealth Partners
Boulder,
Colorado
|
+$2.16M |
| 4 |
BlackRock
New York
|
+$1.88M |
| 5 |
A
Allianz
Munich,
Germany
|
+$1.49M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$5.63M |
| 2 |
FTUS
Flow Traders U.S.
New York
|
-$2.86M |
| 3 |
Jane Street
New York
|
-$2.72M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$2.11M |
| 5 |
JP Morgan Chase
New York
|
-$1.03M |
CRBN Hedge Fund Activity: Q4 2025 in Review
128 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in iShares Low Carbon Optimized MSCI ACWI ETF (CRBN) for Q4 2025, worth a combined $603M — up 2.6% from $588M a quarter earlier.
Sellers outnumbered buyers: 21 funds closed out of CRBN and 12 opened new positions — a net loss of 9 holders — while 31 trimmed existing stakes and 49 added.
The largest buyer was Betterment LLC, adding an estimated $2.64M. The largest seller was Citadel Advisors, exiting entirely with an estimated $5.63M sold.
- 128 institutional investors held iShares Low Carbon Optimized MSCI ACWI ETF (CRBN) as of Q4 2025, down from 138 in Q3 2025.
- Funds reported $603M of iShares Low Carbon Optimized MSCI ACWI ETF stock for Q4 2025, up 2.6% quarter-over-quarter.
- 12 funds opened new iShares Low Carbon Optimized MSCI ACWI ETF positions in Q4 2025 and 21 closed out, a net change of -9 holders.
- The largest iShares Low Carbon Optimized MSCI ACWI ETF buyer in Q4 2025 was Betterment LLC, an estimated $2.64M added.
- The largest iShares Low Carbon Optimized MSCI ACWI ETF seller in Q4 2025 was Citadel Advisors, an estimated $5.63M sold.
Based on aggregated 13F filings for Q4 2025.