Jim Simons’s ProShares UltraShort S&P500 SDS Stock Holding History

Jim Simons’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
2026 Q1	$1.26M	Buy	+16,700	New	+$1.16M	﹤0.01%	2146
2025 Q2	–	Sell	-3,040	Closed	-$326K	–	3850
2025 Q1	$326K	Buy	+3,040	New	+$300K	﹤0.01%	2903
2020 Q2	–	Sell	-648	Closed	-$493K	–	3731
2020 Q1	$493K	Buy	+648	New	+$440K	﹤0.01%	2761

Other funds holding SDS

RAM

Revere Asset Management Dallas, Texas $195M AUM 80.44% 1-Year Est. Return

BFIC

Bedell Frazier Investment Counselling Walnut Creek, California $495M AUM 29.32% 1-Year Est. Return

IAN

Integrated Advisors Network Dallas, Texas $2.18B AUM 30.3% 1-Year Est. Return

TJHA

Thomas J. Herzfeld Advisors Miami Beach, Florida $326M AUM 0.12% 1-Year Est. Return

CFIM

Client First Investment Management West Bend, Wisconsin $237M AUM 90.26% 1-Year Est. Return

IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

TSW

Three Seasons Wealth Salt Lake City, Utah $262M AUM 45.03% 1-Year Est. Return

AIG

Abbington Investment Group Westport, Connecticut $157M AUM 35.92% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Jim Simons's SDS Position: Q1 2026 in Review

Jim Simons opened a new position in ProShares UltraShort S&P500 (SDS) in Q1 2026: 16,700 shares worth $1.26M. The stake represents ﹤0.01% of the portfolio and ranks #2146 among its holdings. This is a return to the name: Jim Simons previously reported a position in SDS as recently as Q1 2025.

Jim Simons first reported a position in SDS in Q1 2020 and has held it in 3 quarters since. 55 funds tracked by Wall St. Rank hold SDS as of Q1 2026.

Jim Simons held 16,700 shares of ProShares UltraShort S&P500 worth $1.26M as of Q1 2026.
ProShares UltraShort S&P500 was a new Jim Simons position in Q1 2026.
ProShares UltraShort S&P500 made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2146 holding.
Jim Simons first reported a position in ProShares UltraShort S&P500 in Q1 2020 and has held it in 3 quarters since.
55 funds tracked by Wall St. Rank held ProShares UltraShort S&P500 as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.