Jane Street’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 | $40.9M | Buy |
66,300
+14,000
| +27% | +$8.87M | 0.01% | 1193 |
|
|
2025
Q4 | $31.6M | Sell |
52,300
-1,000
| -2% | -$598K | ﹤0.01% | 1228 |
|
|
2025
Q3 | $31.8M | Buy |
53,300
+6,600
| +14% | +$3.87M | ﹤0.01% | 1249 |
|
|
2025
Q2 | $26.5M | Buy |
46,700
+36,300
| +349% | +$19.5M | 0.01% | 1195 |
|
|
2025
Q1 | $5.55M | Sell |
10,400
-17,600
| -63% | -$9.99M | ﹤0.01% | 2785 |
|
|
2024
Q4 | $15.9M | Buy |
28,000
+13,200
| +89% | +$7.74M | ﹤0.01% | 1456 |
|
|
2024
Q3 | $8.43M | Sell |
14,800
-5,000
| -25% | -$2.75M | ﹤0.01% | 2108 |
|
|
2024
Q2 | $10.6M | Sell |
19,800
-12,300
| -38% | -$6.61M | ﹤0.01% | 1990 |
|
|
2024
Q1 | $17.9M | Sell |
32,100
-167,100
| -84% | -$86.6M | ﹤0.01% | 1290 |
|
|
2023
Q4 | $101M | Buy |
199,200
+60,700
| +44% | +$28.2M | 0.03% | 384 |
|
|
2023
Q3 | $63.2M | Buy |
138,500
+4,100
| +3% | +$1.96M | 0.02% | 470 |
|
|
2023
Q2 | $64.4M | Buy |
134,400
+26,800
| +25% | +$12.2M | 0.02% | 491 |
|
|
2023
Q1 | $49.3M | Buy |
107,600
+57,600
| +115% | +$26.8M | 0.02% | 533 |
|
|
2022
Q4 | $22.1M | Buy |
50,000
+7,600
| +18% | +$3.36M | 0.01% | 934 |
|
|
2022
Q3 | $17M | Sell |
42,400
-67,500
| -61% | -$29.8M | 0.01% | 1208 |
|
|
2022
Q2 | $45.4M | Sell |
109,900
-92,300
| -46% | -$41.7M | 0.02% | 594 |
|
|
2022
Q1 | $99.2M | Buy |
202,200
+185,900
| +1,140% | +$90.4M | 0.03% | 408 |
|
|
2021
Q4 | $8.44M | Sell |
16,300
-18,800
| -54% | -$9.56M | ﹤0.01% | 2095 |
|
|
2021
Q3 | $16.9M | Buy |
35,100
+17,500
| +99% | +$8.6M | 0.01% | 1259 |
|
|
2021
Q2 | $8.64M | Sell |
17,600
-29,400
| -63% | -$14.5M | ﹤0.01% | 1881 |
|
|
2021
Q1 | $22.4M | Sell |
47,000
-35,500
| -43% | -$16.2M | 0.01% | 887 |
|
|
2020
Q4 | $34.6M | Buy |
82,500
+44,000
| +114% | +$16.9M | 0.02% | 576 |
|
|
2020
Q3 | $13M | Sell |
38,500
-39,900
| -51% | -$13.6M | 0.01% | 1029 |
|
|
2020
Q2 | $25.4M | Buy |
78,400
+47,400
| +153% | +$14.4M | 0.02% | 636 |
|
|
2020
Q1 | $8.15M | Sell |
31,000
-46,500
| -60% | -$15.8M | 0.01% | 883 |
|
|
2019
Q4 | $29.1M | Buy |
77,500
+5,400
| +7% | +$1.95M | 0.04% | 289 |
|
|
2019
Q3 | $25.4M | Buy |
72,100
+29,800
| +70% | +$10.4M | 0.04% | 299 |
|
|
2019
Q2 | $15M | Buy |
42,300
+3,800
| +10% | +$1.33M | 0.03% | 469 |
|
|
2019
Q1 | $13.3M | Sell |
38,500
-20,500
| -35% | -$6.9M | 0.02% | 561 |
|
|
2018
Q4 | $17.9M | Sell |
59,000
-28,000
| -32% | -$9.32M | 0.04% | 357 |
|
|
2018
Q3 | $32M | Buy |
87,000
+53,600
| +160% | +$19.6M | 0.06% | 218 |
|
|
2018
Q2 | $11.9M | Sell |
33,400
-27,600
| -45% | -$9.7M | 0.03% | 519 |
|
|
2018
Q1 | $20.8M | Sell |
61,000
-219,600
| -78% | -$76.4M | 0.05% | 278 |
|
|
2017
Q4 | $96.9M | Buy |
280,600
+255,000
| +996% | +$85.9M | 0.28% | 57 |
|
|
2017
Q3 | $8.35M | Buy |
25,600
+5,600
| +28% | +$1.78M | 0.03% | 593 |
|
|
2017
Q2 | $6.35M | Buy |
+20,000
| New | +$6.3M | 0.02% | 645 |
|
|
2017
Q1 | – | Sell |
-120,800
| Closed | -$36.4M | – | 4477 |
|
|
2016
Q4 | $36.4M | Sell |
120,800
-86,400
| -42% | -$25M | 0.16% | 107 |
|
|
2016
Q3 | $58.5M | Sell |
207,200
-7,900
| -4% | -$2.23M | 0.28% | 61 |
|
|
2016
Q2 | $58.6M | Buy |
+215,100
| New | +$57.5M | 0.29% | 55 |
|
|
2016
Q1 | – | Sell |
-118,800
| Closed | -$30.2M | – | 4432 |
|
|
2015
Q4 | $30.2M | Buy |
118,800
+82,500
| +227% | +$21.5M | 0.19% | 97 |
|
|
2015
Q3 | $9.04M | Buy |
+36,300
| New | +$9.61M | 0.06% | 283 |
|
|
2015
Q1 | – | Sell |
-89,000
| Closed | -$23.5M | – | 3350 |
|
|
2014
Q4 | $23.5M | Buy |
89,000
+80,700
| +972% | +$20.7M | 0.18% | 92 |
|
|
2014
Q3 | $2.07M | Sell |
8,300
-32,000
| -79% | -$8.21M | 0.02% | 569 |
|
|
2014
Q2 | $10.5M | Buy |
+40,300
| New | +$10.1M | 0.13% | 131 |
|
Other funds holding MDY
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.