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MSTY icon

Harbour Investments’s YieldMax MSTR Option Income Strategy ETF MSTY Stock Holding History

Harbour Investments’s Portfolio MSTY Stock Details MSTY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.42K Sell
207
-238
-53% -$6.1K ﹤0.01% 3639
2025
Q4 		$13.2K Buy
445
+404
+985% +$18.9K ﹤0.01% 2606
2025
Q3 		$2.85K Sell
41
-20
-33% -$1.82K ﹤0.01% 3172
2025
Q2 		$6.79K Buy
61
+36
+144% +$3.95K ﹤0.01% 2740
2025
Q1 		$2.52K Buy
+25
New +$3.09K ﹤0.01% 3026

Other funds holding MSTY

TI
Tidal Investments Milwaukee, Wisconsin $47.4B AUM 59.58% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
OMC
Old Mission Capital Chicago, Illinois $6.3B AUM 14.68% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
FIA
FNY Investment Advisers New York $278M AUM 98.95% 1-Year Est. Return

Harbour Investments's MSTY Position: Q1 2026 in Review

Harbour Investments reduced its YieldMax MSTR Option Income Strategy ETF (MSTY) stake by 53% in Q1 2026, selling an estimated $6.1K and leaving 207 shares worth $4.42K. The position accounts for ﹤0.01% of the portfolio, ranked #3639.

Harbour Investments first reported a position in MSTY in Q1 2025 and has held it in 5 quarters since. The position peaked at $13.2K in Q4 2025. 75 funds tracked by Wall St. Rank hold MSTY as of Q1 2026.

  • Harbour Investments held 207 shares of YieldMax MSTR Option Income Strategy ETF worth $4.42K as of Q1 2026.
  • Harbour Investments sold 238 YieldMax MSTR Option Income Strategy ETF shares in Q1 2026, an estimated $6.1K.
  • YieldMax MSTR Option Income Strategy ETF made up ﹤0.01% of Harbour Investments's portfolio in Q1 2026, its #3639 holding.
  • Harbour Investments first reported a position in YieldMax MSTR Option Income Strategy ETF in Q1 2025 and has held it in 5 quarters since.
  • Harbour Investments's YieldMax MSTR Option Income Strategy ETF position peaked at $13.2K in Q4 2025.
  • 75 funds tracked by Wall St. Rank held YieldMax MSTR Option Income Strategy ETF as of Q1 2026.

Based on Harbour Investments's 13F filing for Q1 2026, filed 15 May 2026.