iShares U.S. Thematic Rotation Active ETF
THRO
449 hedge funds and large institutions have $7.28B invested in iShares U.S. Thematic Rotation Active ETF in 2025 Q4 according to their latest regulatory filings, with 107 funds opening new positions, 264 increasing their positions, 70 reducing their positions, and 19 closing their positions.
463% more first-time investments, than exits
New positions opened: 107 | Existing positions closed: 19
277% more repeat investments, than reductions
Existing positions increased: 264 | Existing positions reduced: 70
60% more funds holding in top 10
Funds holding in top 10: 10 → 16 (+6)
21% more funds holding
Funds holding: 370 → 449 (+79)
10% more capital invested
Capital invested by funds: $6.62B → $7.28B (+$656M)
0.94% less ownership
Funds ownership: 104.03% → 103.08% (-0.94%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$182M |
| 2 |
LPL Financial
San Diego,
California
|
+$71.2M |
| 3 |
Morgan Stanley
New York
|
+$42.8M |
| 4 |
Northwestern Mutual Wealth Management
Milwaukee,
Wisconsin
|
+$38.9M |
| 5 |
Ameriprise
Minneapolis,
Minnesota
|
+$38.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PAS
Park Avenue Securities
New York
|
-$178M |
| 2 |
SI
SimpliFi Inc
San Diego,
California
|
-$7.73M |
| 3 |
AWP
Avid Wealth Partners
San Antonio,
Texas
|
-$5.7M |
| 4 |
Envestnet Asset Management
Chicago,
Illinois
|
-$5.12M |
| 5 |
VA
VestGen Advisors
Inverness,
Illinois
|
-$3.64M |
THRO Hedge Fund Activity: Q4 2025 in Review
449 institutional investors reported a position in iShares U.S. Thematic Rotation Active ETF (THRO) for Q4 2025, worth a combined $7.28B — up 9.9% from $6.62B a quarter earlier.
Buyers outnumbered sellers: 107 funds opened new THRO positions and 19 closed out — a net gain of 88 holders — while 264 added to existing stakes and 70 trimmed.
The largest buyer was BlackRock, adding an estimated $182M. The largest seller was Park Avenue Securities, exiting entirely with an estimated $178M sold.
- 449 institutional investors held iShares U.S. Thematic Rotation Active ETF (THRO) as of Q4 2025, up from 370 in Q3 2025.
- Funds reported $7.28B of iShares U.S. Thematic Rotation Active ETF stock for Q4 2025, up 9.9% quarter-over-quarter.
- 107 funds opened new iShares U.S. Thematic Rotation Active ETF positions in Q4 2025 and 19 closed out, a net change of +88 holders.
- The largest iShares U.S. Thematic Rotation Active ETF buyer in Q4 2025 was BlackRock, an estimated $182M added.
- The largest iShares U.S. Thematic Rotation Active ETF seller in Q4 2025 was Park Avenue Securities, an estimated $178M sold.
Based on aggregated 13F filings for Q4 2025.