As of 31 Dec 2025, 948 institutional investors reported holding 207,594,913 shares of SPDR SERIES TRUST - PORTFOLIO S&P600 (SPSM).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 207,594,913 | $9,733,719,330 | +$479,703,879 | $46.86 | 948 |
| 2025 Q3 | 195,695,471 | $9,062,431,519 | +$374,038,907 | $46.32 | 888 |
| 2025 Q2 | 189,549,307 | $8,076,566,510 | -$171,247,493 | $42.60 | 881 |
| 2025 Q1 | 193,317,322 | $7,874,060,323 | -$478,339,747 | $40.76 | 883 |
| 2024 Q4 | 205,744,255 | $9,246,028,299 | +$435,975,083 | $44.92 | 919 |
| 2024 Q3 | 192,762,894 | $8,769,816,076 | +$453,551,480 | $45.51 | 845 |
| 2024 Q2 | 182,692,685 | $7,590,579,185 | +$51,488,387 | $41.53 | 798 |
| 2024 Q1 | 180,570,132 | $7,765,323,329 | +$337,475,932 | $43.04 | 768 |
| 2023 Q4 | 174,303,324 | $7,347,081,487 | +$699,490,498 | $42.18 | 775 |
| 2023 Q3 | 155,332,944 | $5,731,656,540 | +$594,409,908 | $36.90 | 681 |
| 2023 Q2 | 138,230,491 | $5,370,014,447 | +$1,362,716,435 | $38.84 | 663 |
| 2023 Q1 | 103,214,602 | $3,896,415,188 | +$275,458,804 | $37.77 | 473 |
| 2022 Q4 | 93,772,585 | $3,468,564,711 | +$251,611,086 | $36.97 | 467 |
| 2022 Q3 | 85,906,487 | $2,931,876,692 | +$25,366,076 | $34.06 | 419 |
| 2022 Q2 | 85,328,742 | $3,071,966,224 | +$112,061,956 | $35.98 | 420 |
| 2022 Q1 | 81,516,385 | $3,427,510,582 | +$176,827,341 | $42.07 | 427 |
| 2021 Q4 | 77,228,907 | $3,447,988,168 | +$201,213,825 | $44.69 | 410 |
| 2021 Q3 | 71,043,203 | $3,027,889,106 | +$6,137,145 | $42.60 | 349 |
| 2021 Q2 | 70,622,227 | $3,099,803,314 | -$90,435,901 | $43.94 | 340 |
| 2021 Q1 | 73,451,232 | $3,102,689,234 | +$194,053,536 | $42.27 | 330 |
| 2020 Q4 | 68,324,520 | $2,437,521,769 | +$166,602,222 | $35.80 | 302 |
| 2020 Q3 | 63,392,699 | $1,739,428,810 | +$51,478,548 | $27.38 | 242 |
| 2020 Q2 | 61,716,966 | $1,640,396,276 | +$408,367,439 | $26.57 | 242 |
| 2020 Q1 | 46,145,217 | $1,008,966,079 | +$269,399,713 | $21.84 | 231 |
| 2019 Q4 | 31,232,414 | $1,019,087,328 | +$103,845,298 | $32.63 | 257 |
| 2019 Q3 | 27,163,504 | $815,175,143 | +$49,532,502 | $30.00 | 208 |
| 2019 Q2 | 25,546,553 | $782,546,616 | +$61,618,566 | $30.64 | 200 |
| 2019 Q1 | 23,383,479 | $706,613,472 | -$53,952,016 | $30.23 | 201 |
| 2018 Q4 | 23,999,201 | $641,049,231 | -$181,976,730 | $26.36 | 204 |
| 2018 Q3 | 29,282,389 | $972,134,598 | +$298,835,076 | $33.24 | 180 |
| 2018 Q2 | 20,636,559 | $665,266,573 | +$211,841,463 | $32.28 | 150 |
| 2018 Q1 | 13,613,751 | $407,306,327 | +$72,879,009 | $29.92 | 117 |
| 2017 Q4 | 11,151,635 | $336,254,678 | +$259,062,781 | $30.15 | 84 |
| 2017 Q3 | 854,310 | $74,795,820 | +$9,350,497 | $87.52 | 36 |
| 2017 Q2 | 1,245,197 | $103,676,000 | +$394,431 | $83.28 | 36 |
| 2017 Q1 | 1,240,937 | $101,041,000 | +$13,069,891 | $81.54 | 32 |
| 2016 Q4 | 983,993 | $78,380,000 | +$27,543,568 | $79.62 | 25 |
| 2016 Q3 | 613,283 | $45,273,000 | -$3,638,497 | $73.89 | 26 |
| 2016 Q2 | 662,237 | $44,506,000 | +$4,318,270 | $67.21 | 23 |
| 2016 Q1 | 591,541 | $38,668,000 | -$8,345,004 | $65.42 | 17 |
| 2015 Q4 | 717,666 | $48,187,000 | +$14,852,901 | $67.42 | 19 |
| 2015 Q3 | 282,107 | $18,417,000 | -$8,083,732 | $64.67 | 22 |
| 2015 Q2 | 408,548 | $30,200,000 | +$5,824,547 | $73.97 | 20 |
| 2015 Q1 | 330,057 | $24,453,000 | -$4,824,530 | $74.10 | 18 |
| 2014 Q4 | 397,310 | $28,349,907 | +$10,225,707 | $71.35 | 17 |
| 2014 Q3 | 251,642 | $16,522,000 | -$8,912,942 | $65.65 | 14 |
| 2014 Q2 | 387,401 | $27,484,000 | -$8,696,450 | $70.95 | 15 |
| 2014 Q1 | 509,996 | $35,562,000 | -$104,545 | $69.73 | 12 |