iShares U.S. Thematic Rotation Active ETF
THRO
475 hedge funds and large institutions have $7.75B invested in iShares U.S. Thematic Rotation Active ETF in 2026 Q1 according to their latest regulatory filings, with 66 funds opening new positions, 337 increasing their positions, 53 reducing their positions, and 33 closing their positions.
536% more repeat investments, than reductions
Existing positions increased: 337 | Existing positions reduced: 53
100% more first-time investments, than exits
New positions opened: 66 | Existing positions closed: 33
6% more capital invested
Capital invested by funds: $7.29B → $7.75B (+$459M)
5% more funds holding
Funds holding: 451 → 475 (+24)
2.8% more ownership
Funds ownership: 103.26% → 106.06% (+2.8%)
6% less funds holding in top 10
Funds holding in top 10: 16 → 15 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Envestnet Asset Management
Chicago,
Illinois
|
+$199M |
| 2 |
PAS
Park Avenue Securities
New York
|
+$188M |
| 3 |
LPL Financial
San Diego,
California
|
+$72.9M |
| 4 |
AAP
Arax Advisory Partners
Denver,
Colorado
|
+$42.5M |
| 5 |
Morgan Stanley
New York
|
+$41.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$18.3M |
| 2 |
US Bancorp
Minneapolis,
Minnesota
|
-$17.8M |
| 3 |
EL
EWA LLC
Pittsbugh,
Pennsylvania
|
-$10.5M |
| 4 |
TC
Trilogy Capital
Irvine,
California
|
-$6.49M |
| 5 |
MML Investors Services
Springfield,
Massachusetts
|
-$5.5M |
THRO Hedge Fund Activity: Q1 2026 in Review
475 of the 8,207 institutional investors tracked by Wall St. Rank reported a position in iShares U.S. Thematic Rotation Active ETF (THRO) for Q1 2026, worth a combined $7.75B — up 6.3% from $7.29B a quarter earlier.
Buyers outnumbered sellers: 66 funds opened new THRO positions and 33 closed out — a net gain of 33 holders — while 337 added to existing stakes and 53 trimmed.
The largest buyer was Envestnet Asset Management, adding an estimated $199M. The largest seller was BlackRock, cutting an estimated $18.3M.
- 475 institutional investors held iShares U.S. Thematic Rotation Active ETF (THRO) as of Q1 2026, up from 451 in Q4 2025.
- Funds reported $7.75B of iShares U.S. Thematic Rotation Active ETF stock for Q1 2026, up 6.3% quarter-over-quarter.
- 66 funds opened new iShares U.S. Thematic Rotation Active ETF positions in Q1 2026 and 33 closed out, a net change of +33 holders.
- The largest iShares U.S. Thematic Rotation Active ETF buyer in Q1 2026 was Envestnet Asset Management, an estimated $199M added.
- The largest iShares U.S. Thematic Rotation Active ETF seller in Q1 2026 was BlackRock, an estimated $18.3M sold.
Based on aggregated 13F filings for Q1 2026.