MCM
SPYU

Mainstay Capital Management’s MAX S&P 500 4x Leveraged ETN SPYU Stock Holding History

Mainstay Capital Management’s Portfolio SPYU Stock Details SPYU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-9,454
Closed -$259K – 155
2025
Q4 		$259K Buy
+9,454
New +$259K 0.02% 112

Other funds holding SPYU

MFA
Millington Financial Advisors Naperville, Illinois $237M AUM 22.22% 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
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
TSS
Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return
S
SignatureFD Atlanta, Georgia $7.49B AUM 24.82% 1-Year Est. Return
SSG
Summit Securities Group New York $810M AUM 27.35% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Mainstay Capital Management's SPYU Position: Q1 2026 in Review

Mainstay Capital Management sold out of MAX S&P 500 4x Leveraged ETN (SPYU) in Q1 2026, closing a stake of 9,454 shares — an estimated $259K sold.

Mainstay Capital Management first reported a position in SPYU in Q4 2025 and held it in 1 quarter. The position peaked at $259K in Q4 2025. 13 funds tracked by Wall St. Rank hold SPYU as of Q1 2026.

  • Mainstay Capital Management reported no remaining MAX S&P 500 4x Leveraged ETN position as of Q1 2026 after selling out during the quarter.
  • Mainstay Capital Management sold 9,454 MAX S&P 500 4x Leveraged ETN shares in Q1 2026, an estimated $259K.
  • Mainstay Capital Management first reported a position in MAX S&P 500 4x Leveraged ETN in Q4 2025 and held it in 1 quarter.
  • Mainstay Capital Management's MAX S&P 500 4x Leveraged ETN position peaked at $259K in Q4 2025.
  • 13 funds tracked by Wall St. Rank held MAX S&P 500 4x Leveraged ETN as of Q1 2026.

Based on Mainstay Capital Management's 13F filing for Q1 2026, filed 12 May 2026.