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

Jane Street’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
2026 Q1	$90.3M	Buy	146,400 +131,900	+910%	+$83.6M	0.01%	690
2025 Q4	$8.75M	Buy	14,500 +300	+2%	+$179K	﹤0.01%	2486
2025 Q3	$8.46M	Buy	14,200 +7,800	+122%	+$4.58M	﹤0.01%	2635
2025 Q2	$3.63M	Sell	6,400 -1,900	-23%	-$1.02M	﹤0.01%	3461
2025 Q1	$4.43M	Sell	8,300 -12,700	-60%	-$7.21M	﹤0.01%	3106
2024 Q4	$12M	Buy	21,000 +19,900	+1,809%	+$11.7M	﹤0.01%	1717
2024 Q3	$627K	Sell	1,100 -28,400	-96%	-$15.6M	﹤0.01%	6792
2024 Q2	$15.8M	Sell	29,500 -25,200	-46%	-$13.6M	﹤0.01%	1526
2024 Q1	$30.4M	Sell	54,700 -10,700	-16%	-$5.54M	0.01%	899
2023 Q4	$33.2M	Buy	65,400 +52,300	+399%	+$24.3M	0.01%	905
2023 Q3	$5.98M	Sell	13,100 -9,300	-42%	-$4.46M	﹤0.01%	2368
2023 Q2	$10.7M	Sell	22,400 -108,000	-83%	-$49.2M	﹤0.01%	1829
2023 Q1	$59.8M	Buy	130,400 +16,500	+14%	+$7.69M	0.02%	455
2022 Q4	$50.4M	Buy	113,900 +35,600	+45%	+$15.7M	0.02%	525
2022 Q3	$31.4M	Sell	78,300 -5,800	-7%	-$2.56M	0.01%	758
2022 Q2	$34.8M	Buy	84,100 +58,900	+234%	+$26.6M	0.01%	743
2022 Q1	$12.4M	Buy	25,200 +2,500	+11%	+$1.22M	﹤0.01%	1725
2021 Q4	$11.8M	Buy	22,700 +7,900	+53%	+$4.02M	﹤0.01%	1698
2021 Q3	$7.12M	Sell	14,800 -34,400	-70%	-$16.9M	﹤0.01%	2255
2021 Q2	$24.2M	Sell	49,200 -120,000	-71%	-$59.2M	0.01%	947
2021 Q1	$80.5M	Buy	169,200 +49,500	+41%	+$22.6M	0.04%	336
2020 Q4	$50.3M	Buy	119,700 +111,900	+1,435%	+$43.1M	0.03%	454
2020 Q3	$2.64M	Sell	7,800 -4,100	-34%	-$1.4M	﹤0.01%	2612
2020 Q2	$3.86M	Sell	11,900 -1,400	-11%	-$425K	﹤0.01%	2165
2020 Q1	$3.5M	Sell	13,300 -7,500	-36%	-$2.54M	﹤0.01%	1473
2019 Q4	$7.81M	Sell	20,800 -37,800	-65%	-$13.7M	0.01%	773
2019 Q3	$20.7M	Buy	58,600 +37,700	+180%	+$13.2M	0.03%	351
2019 Q2	$7.41M	Buy	20,900 +15,200	+267%	+$5.31M	0.01%	803
2019 Q1	$1.97M	Sell	5,700 -58,100	-91%	-$19.5M	﹤0.01%	2043
2018 Q4	$19.3M	Sell	63,800 -38,500	-38%	-$12.8M	0.04%	331
2018 Q3	$37.6M	Buy	102,300 +101,100	+8,425%	+$37M	0.07%	187
2018 Q2	$426K	Sell	1,200 -4,500	-79%	-$1.58M	﹤0.01%	3759
2018 Q1	$1.95M	Sell	5,700 -272,400	-98%	-$94.8M	0.01%	1882
2017 Q4	$96.1M	Buy	278,100 +218,100	+364%	+$73.5M	0.28%	58
2017 Q3	$19.6M	Buy	60,000 +10,000	+20%	+$3.18M	0.06%	281
2017 Q2	$15.9M	Buy	50,000 +30,000	+150%	+$9.44M	0.06%	299
2017 Q1	$6.25M	Buy	+20,000	New	+$6.21M	0.03%	577
2015 Q3	–	Sell	-1,000	Closed	-$273K	–	3936
2015 Q2	$273K	Buy	1,000 +100	+11%	+$27.8K	﹤0.01%	2913
2015 Q1	$250K	Sell	900 -8,100	-90%	-$2.18M	﹤0.01%	2681
2014 Q4	$2.38M	Buy	9,000 +8,000	+800%	+$2.05M	0.02%	588
2014 Q3	$249K	Sell	1,000 -12,800	-93%	-$3.29M	﹤0.01%	2027
2014 Q2	$3.6M	Sell	13,800 -134,600	-91%	-$33.7M	0.05%	331
2014 Q1	$37.2M	Buy	+148,400	New	+$36.4M	0.41%	38

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

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

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

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

Pathstone Holdings Englewood, New Jersey $25.1B AUM 22.95% 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

Jane Street's MDY Position: Q1 2026 in Review

Jane Street reduced its State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) stake by 91% in Q1 2026, selling an estimated $18.9M and leaving 3,022 shares worth $1.86M. The position accounts for ﹤0.01% of the portfolio, ranked #5233.

Jane Street first reported a position in MDY in Q2 2013 and has held it in 40 quarters since. The position peaked at $152M in Q1 2014. 1,448 funds tracked by Wall St. Rank hold MDY as of Q1 2026.

Jane Street held 3,022 shares of State Street SPDR S&P MIDCAP 400 ETF Trust worth $1.86M as of Q1 2026.
Jane Street sold 29,798 State Street SPDR S&P MIDCAP 400 ETF Trust shares in Q1 2026, an estimated $18.9M.
State Street SPDR S&P MIDCAP 400 ETF Trust made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5233 holding.
Jane Street first reported a position in State Street SPDR S&P MIDCAP 400 ETF Trust in Q2 2013 and has held it in 40 quarters since.
Jane Street's State Street SPDR S&P MIDCAP 400 ETF Trust position peaked at $152M in Q1 2014.
1,448 funds tracked by Wall St. Rank held State Street SPDR S&P MIDCAP 400 ETF Trust as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.