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

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-834
Closed -$529K 13721
2025
Q4
$503K Sell
834
-62
-7% -$37.1K ﹤0.01% 9002
2025
Q3
$534K Sell
896
-1,319
-60% -$774K ﹤0.01% 8970
2025
Q2
$1.25M Sell
2,215
-221,127
-99% -$119M ﹤0.01% 6605
2025
Q1
$119M Sell
223,342
-172,142
-44% -$97.7M 0.02% 597
2024
Q4
$225M Buy
395,484
+273,864
+225% +$161M 0.04% 365
2024
Q3
$69.3M Buy
121,620
+72,317
+147% +$39.8M 0.01% 954
2024
Q2
$26.4M Sell
49,303
-27,622
-36% -$14.9M 0.01% 1723
2024
Q1
$42.8M Sell
76,925
-58,572
-43% -$30.3M 0.01% 1352
2023
Q4
$68.7M Sell
135,497
-189,400
-58% -$87.9M 0.01% 938
2023
Q3
$148M Buy
324,897
+57,695
+22% +$27.6M 0.03% 430
2023
Q2
$128M Buy
267,202
+86,369
+48% +$39.3M 0.03% 488
2023
Q1
$82.9M Buy
180,833
+91,113
+102% +$42.5M 0.02% 723
2022
Q4
$39.7M Buy
89,720
+35,215
+65% +$15.6M 0.01% 1308
2022
Q3
$21.9M Buy
54,505
+53,793
+7,555% +$23.8M 0.01% 1781
2022
Q2
$294K Sell
712
-33,229
-98% -$15M ﹤0.01% 9846
2022
Q1
$16.6M Sell
33,941
-7,580
-18% -$3.69M ﹤0.01% 2217
2021
Q4
$21.5M Sell
41,521
-10,492
-20% -$5.34M ﹤0.01% 1929
2021
Q3
$25M Buy
52,013
+29,179
+128% +$14.3M 0.01% 1754
2021
Q2
$11.2M Sell
22,834
-8,429
-27% -$4.16M ﹤0.01% 2908
2021
Q1
$14.9M Buy
31,263
+12,207
+64% +$5.57M ﹤0.01% 2377
2020
Q4
$8M Sell
19,056
-4,727
-20% -$1.82M ﹤0.01% 2940
2020
Q3
$8.06M Buy
23,783
+9,251
+64% +$3.16M ﹤0.01% 2553
2020
Q2
$4.71M Sell
14,532
-36,799
-72% -$11.2M ﹤0.01% 3174
2020
Q1
$13.5M Buy
51,331
+46,511
+965% +$15.8M 0.01% 1572
2019
Q4
$1.81M Sell
4,820
-69,765
-94% -$25.2M ﹤0.01% 4571
2019
Q3
$26.3M Buy
+74,585
New +$26.1M 0.01% 1242
2019
Q2
Sell
-5,681
Closed -$1.99M 9580
2019
Q1
$1.96M Sell
5,681
-190,039
-97% -$63.9M ﹤0.01% 4500
2018
Q4
$59.2M Sell
195,720
-366,897
-65% -$122M 0.03% 538
2018
Q3
$207M Buy
562,617
+548,580
+3,908% +$201M 0.09% 160
2018
Q2
$4.98M Sell
14,037
-54,041
-79% -$19M ﹤0.01% 2782
2018
Q1
$23.3M Buy
68,078
+38,012
+126% +$13.2M 0.01% 1011
2017
Q4
$10.4M Buy
30,066
+2,984
+11% +$1.01M 0.01% 1695
2017
Q3
$8.84M Sell
27,082
-4,945
-15% -$1.57M 0.01% 1714
2017
Q2
$10.2M Buy
+32,027
New +$10.1M 0.01% 1447
2017
Q1
Sell
-46,200
Closed -$14.3M 7803
2016
Q4
$13.9M Buy
46,200
+36,894
+396% +$10.7M 0.01% 1118
2016
Q3
$2.63M Buy
+9,306
New +$2.62M ﹤0.01% 2652
2016
Q2
Sell
-12,061
Closed -$3.22M 7161
2016
Q1
$3.17M Buy
+12,061
New +$2.94M ﹤0.01% 2198
2015
Q4
Sell
-20,832
Closed -$5.42M 8990
2015
Q3
$5.18M Buy
20,832
+4,350
+26% +$1.15M ﹤0.01% 1911
2015
Q2
$4.5M Buy
+16,482
New +$4.58M ﹤0.01% 2168
2015
Q1
Sell
-32,804
Closed -$8.84M 8712
2014
Q4
$8.66M Buy
32,804
+29,875
+1,020% +$7.65M 0.01% 1513
2014
Q3
$730K Buy
+2,929
New +$752K ﹤0.01% 4124

Other funds holding MDY

Ken Griffin's MDY Position: Q1 2026 in Review

Ken Griffin sold out of State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) in Q1 2026, closing a stake of 834 shares — an estimated $529K sold.

Ken Griffin first reported a position in MDY in Q3 2014 and held it in 41 quarters. The position peaked at $225M in Q4 2024. 1,450 funds tracked by Wall St. Rank hold MDY as of Q1 2026.

  • Ken Griffin reported no remaining State Street SPDR S&P MIDCAP 400 ETF Trust position as of Q1 2026 after selling out during the quarter.
  • Ken Griffin sold 834 State Street SPDR S&P MIDCAP 400 ETF Trust shares in Q1 2026, an estimated $529K.
  • Ken Griffin first reported a position in State Street SPDR S&P MIDCAP 400 ETF Trust in Q3 2014 and held it in 41 quarters.
  • Ken Griffin's State Street SPDR S&P MIDCAP 400 ETF Trust position peaked at $225M in Q4 2024.
  • 1,450 funds tracked by Wall St. Rank held State Street SPDR S&P MIDCAP 400 ETF Trust as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.