Twin Tree Management’s State Street SPDR S&P MIDCAP 400 ETF Trust MDY Stock Holding History

Twin Tree Management’s Portfolio MDY Stock Details MDY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-104,200	Closed	-$59M	–	1692
2025 Q2	$59M	Buy	+104,200	New	+$55.9M	0.11%	184
2024 Q1	–	Sell	-185,600	Closed	-$94.2M	–	1473
2023 Q4	$94.2M	Sell	185,600 -137,300	-43%	-$63.8M	0.18%	98
2023 Q3	$147M	Sell	322,900 -88,000	-21%	-$42.2M	0.33%	46
2023 Q2	$197M	Buy	+410,900	New	+$187M	0.3%	51
2023 Q1	–	Sell	-29,000	Closed	-$12.8M	–	1456
2022 Q4	$12.8M	Sell	29,000 -81,500	-74%	-$36M	0.03%	504
2022 Q3	$44.4M	Buy	+110,500	New	+$48.8M	0.09%	191
2022 Q2	–	Sell	-130,700	Closed	-$64.1M	–	1727
2022 Q1	$64.1M	Buy	130,700 +75,900	+139%	+$36.9M	0.1%	145
2021 Q4	$28.4M	Buy	54,800 +4,400	+9%	+$2.24M	0.06%	306
2021 Q3	$24.2M	Buy	50,400 +9,500	+23%	+$4.67M	0.05%	318
2021 Q2	$20.1M	Buy	+40,900	New	+$20.2M	0.05%	340
2021 Q1	–	Sell	-44,900	Closed	-$18.9M	–	1499
2020 Q4	$18.9M	Buy	+44,900	New	+$17.3M	0.08%	281
2020 Q3	–	Sell	-78,700	Closed	-$25.5M	–	1462
2020 Q2	$25.5M	Buy	78,700 +63,200	+408%	+$19.2M	0.1%	227
2020 Q1	$4.08M	Buy	15,500 +10,500	+210%	+$3.56M	0.02%	549
2019 Q4	$1.88M	Sell	5,000 -10,800	-68%	-$3.9M	0.01%	740
2019 Q3	$5.57M	Buy	+15,800	New	+$5.54M	0.02%	455
2018 Q2	–	Sell	-27,400	Closed	-$9.36M	–	1274
2018 Q1	$9.36M	Sell	27,400 -224,200	-89%	-$78M	0.07%	222
2017 Q4	$86.9M	Buy	+251,600	New	+$84.8M	0.64%	24
2017 Q3	–	Sell	-266,100	Closed	-$84.5M	–	1092
2017 Q2	$84.5M	Buy	+266,100	New	+$83.8M	0.66%	18
2017 Q1	–	Sell	-18,800	Closed	-$5.67M	–	1151
2016 Q4	$5.67M	Buy	+18,800	New	+$5.43M	0.06%	368

Other funds holding MDY

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

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

US Bancorp Minneapolis, Minnesota $82.4B AUM 19.69% 1-Year Est. Return

Pathstone Holdings Englewood, New Jersey $25.1B AUM 22.95% 1-Year Est. Return

Northwestern Mutual Wealth Management Milwaukee, Wisconsin $162B AUM 16.35% 1-Year Est. Return

PNC Financial Services Group Pittsburgh, Pennsylvania $173B AUM 20.72% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Twin Tree Management's MDY Position: Q3 2025 in Review

Twin Tree Management sold out of State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) in Q3 2025, closing a stake of 16,013 shares — an estimated $9.07M sold.

Twin Tree Management first reported a position in MDY in Q4 2017 and held it in 5 quarters. The position peaked at $20.7M in Q3 2023. 1,363 funds tracked by Wall St. Rank hold MDY as of Q3 2025.

Twin Tree Management reported no remaining State Street SPDR S&P MIDCAP 400 ETF Trust position as of Q3 2025 after selling out during the quarter.
Twin Tree Management sold 16,013 State Street SPDR S&P MIDCAP 400 ETF Trust shares in Q3 2025, an estimated $9.07M.
Twin Tree Management first reported a position in State Street SPDR S&P MIDCAP 400 ETF Trust in Q4 2017 and held it in 5 quarters.
Twin Tree Management's State Street SPDR S&P MIDCAP 400 ETF Trust position peaked at $20.7M in Q3 2023.
1,363 funds tracked by Wall St. Rank held State Street SPDR S&P MIDCAP 400 ETF Trust as of Q3 2025.

Based on Twin Tree Management's 13F filing for Q3 2025, filed 13 Nov 2025.