iShares Paris-Aligned Climate Optimized MSCI USA ETF
PABU
26 hedge funds and large institutions have $1.6B invested in iShares Paris-Aligned Climate Optimized MSCI USA ETF in 2026 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 9 increasing their positions, 7 reducing their positions, and 4 closing their positions.
29% more repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 7
3.89% more ownership
Funds ownership: 68.1% → 71.99% (+3.9%)
3% more capital invested
Capital invested by funds: $1.55B → $1.6B (+$50.2M)
0% more funds holding
Funds holding: 26 → 26 (0)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
0% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 4
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DN
Danmarks Nationalbank
Copenhagen O,
|
+$195M |
| 2 |
Jane Street
New York
|
+$8.17M |
| 3 |
AG
AlTi Global
New York
|
+$2.96M |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
+$2.21M |
| 5 |
VF
Virtu Financial
New York
|
+$1.44M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CPO
Cerity Partners OCIO
New York
|
-$10.6M |
| 2 |
MGP
Metis Global Partners
San Diego,
California
|
-$517K |
| 3 |
Two Sigma Investments
New York
|
-$349K |
| 4 |
Citigroup
New York
|
-$233K |
| 5 |
Goldman Sachs
New York
|
-$231K |
PABU Hedge Fund Activity: Q1 2026 in Review
26 of the 8,134 institutional investors tracked by Wall St. Rank reported a position in iShares Paris-Aligned Climate Optimized MSCI USA ETF (PABU) for Q1 2026, worth a combined $1.6B — up 3.2% from $1.55B a quarter earlier.
Fund positioning in PABU was balanced in Q1 2026: 4 funds opened new positions, 4 closed out, 9 added to existing stakes and 7 trimmed.
The largest buyer was Danmarks Nationalbank, adding an estimated $195M. The largest seller was Cerity Partners OCIO, cutting an estimated $10.6M.
- 26 institutional investors held iShares Paris-Aligned Climate Optimized MSCI USA ETF (PABU) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $1.6B of iShares Paris-Aligned Climate Optimized MSCI USA ETF stock for Q1 2026, up 3.2% quarter-over-quarter.
- 4 funds opened new iShares Paris-Aligned Climate Optimized MSCI USA ETF positions in Q1 2026 and 4 closed out, a net change of 0 holders.
- The largest iShares Paris-Aligned Climate Optimized MSCI USA ETF buyer in Q1 2026 was Danmarks Nationalbank, an estimated $195M added.
- The largest iShares Paris-Aligned Climate Optimized MSCI USA ETF seller in Q1 2026 was Cerity Partners OCIO, an estimated $10.6M sold.
Based on aggregated 13F filings for Q1 2026.