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Southport Management’s ProShares UltraShort S&P500 SDS Stock Holding History

Southport Management’s Portfolio SDS Stock Details SDS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2015
Q2 		– Sell
-2,100
Closed -$4.48M – 50
2015
Q1 		$4.48M Buy
+2,100
New +$4.55M 4.69% 4

Other funds holding SDS

Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $8.4B AUM 63.34% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
AIG
Abbington Investment Group Westport, Connecticut $172M AUM
GFG
Genesis Financial Group Paramus, New Jersey $158M AUM
FTUS
Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return
AI
AXS Investments Port Chester, New York $248M AUM 15.95% 1-Year Est. Return
Squarepoint
Squarepoint New York $85.1B AUM 20.93% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Southport Management's SDS Position: Q4 2025 in Review

Southport Management increased its ProShares UltraShort S&P500 (SDS) stake by 54% in Q4 2025, buying an estimated $494K and bringing the position to 20,000 shares worth $1.37M. The position accounts for 4.78% of the portfolio, ranked #6.

Southport Management first reported a position in SDS in Q2 2013 and has held it in 44 quarters since. The position peaked at $20.3M in Q1 2015. 44 funds tracked by Wall St. Rank hold SDS as of Q4 2025.

  • Southport Management held 20,000 shares of ProShares UltraShort S&P500 worth $1.37M as of Q4 2025.
  • Southport Management bought 7,000 ProShares UltraShort S&P500 shares in Q4 2025, an estimated $494K.
  • ProShares UltraShort S&P500 made up 4.78% of Southport Management's portfolio in Q4 2025, its #6 holding.
  • Southport Management first reported a position in ProShares UltraShort S&P500 in Q2 2013 and has held it in 44 quarters since.
  • Southport Management's ProShares UltraShort S&P500 position peaked at $20.3M in Q1 2015.
  • 44 funds tracked by Wall St. Rank held ProShares UltraShort S&P500 as of Q4 2025.

Based on Southport Management's 13F filing for Q4 2025, filed 13 Feb 2026.