Mariner
THRO

Mariner’s iShares U.S. Thematic Rotation Active ETF THRO Stock Holding History

Mariner’s Portfolio THRO Stock Details THRO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$17.2M Sell
474,852
-33,130
-7% -$1.26M 0.02% 519
2025
Q4 		$19.6M Buy
507,982
+118,422
+30% +$4.53M 0.02% 454
2025
Q3 		$14.7M Buy
389,560
+26,133
+7% +$957K 0.02% 498
2025
Q2 		$12.9M Buy
363,427
+245,825
+209% +$8.1M 0.02% 525
2025
Q1 		$3.73M Buy
+117,602
New +$3.96M 0.01% 938

Other funds holding THRO

Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PAS
Park Avenue Securities New York $16B AUM 26.77% 1-Year Est. Return
Envestnet Portfolio Solutions
Envestnet Portfolio Solutions Chicago, Illinois $20.9B AUM 19.34% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $94B AUM 20.14% 1-Year Est. Return
NA
NewEdge Advisors New Orleans, Louisiana $27.7B AUM 22.98% 1-Year Est. Return

Mariner's THRO Position: Q1 2026 in Review

Mariner reduced its iShares U.S. Thematic Rotation Active ETF (THRO) stake by 6.5% in Q1 2026, selling an estimated $1.26M and leaving 474,852 shares worth $17.2M. The position accounts for 0.02% of the portfolio, ranked #519.

Mariner first reported a position in THRO in Q1 2025 and has held it in 5 quarters since. The position peaked at $19.6M in Q4 2025. 470 funds tracked by Wall St. Rank hold THRO as of Q1 2026.

  • Mariner held 474,852 shares of iShares U.S. Thematic Rotation Active ETF worth $17.2M as of Q1 2026.
  • Mariner sold 33,130 iShares U.S. Thematic Rotation Active ETF shares in Q1 2026, an estimated $1.26M.
  • iShares U.S. Thematic Rotation Active ETF made up 0.02% of Mariner's portfolio in Q1 2026, its #519 holding.
  • Mariner first reported a position in iShares U.S. Thematic Rotation Active ETF in Q1 2025 and has held it in 5 quarters since.
  • Mariner's iShares U.S. Thematic Rotation Active ETF position peaked at $19.6M in Q4 2025.
  • 470 funds tracked by Wall St. Rank held iShares U.S. Thematic Rotation Active ETF as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.