As of 30 Sep 2025, 648 institutional investors reported holding 124,154,431 shares of SPDR SERIES TRUST - S&P BIOTECH (XBI).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 773,370 | $94,311,176 | +$26,997,761 | $121.93 | 45 |
| 2025 Q3 | 124,154,431 | $12,441,250,635 | +$858,796,879 | $100.20 | 648 |
| 2025 Q2 | 117,272,814 | $9,726,205,378 | +$539,755,864 | $82.93 | 617 |
| 2025 Q1 | 113,323,168 | $9,190,397,578 | +$458,525,808 | $81.10 | 672 |
| 2024 Q4 | 108,791,682 | $9,798,327,918 | -$304,768,029 | $90.06 | 721 |
| 2024 Q3 | 102,812,011 | $10,157,515,707 | +$672,055,779 | $98.80 | 784 |
| 2024 Q2 | 98,638,006 | $9,145,993,040 | -$577,373,785 | $92.71 | 759 |
| 2024 Q1 | 102,534,314 | $9,728,534,694 | +$1,251,113,576 | $94.89 | 800 |
| 2023 Q4 | 585,263 | $52,258,145 | -$2,318,054 | $89.29 | 8 |
| 2023 Q3 | 83,245,847 | $6,082,330,367 | +$330,425,437 | $73.02 | 663 |
| 2023 Q2 | 85,843,278 | $7,142,041,273 | -$900,162,200 | $83.20 | 693 |
| 2023 Q1 | 93,813,562 | $7,151,217,565 | +$187,393,536 | $76.21 | 694 |
| 2022 Q4 | 92,312,452 | $7,658,610,042 | +$1,151,904,346 | $83.00 | 725 |
| 2022 Q3 | 81,126,749 | $6,440,150,598 | -$199,363,718 | $79.32 | 685 |
| 2022 Q2 | 84,773,475 | $6,296,721,913 | +$546,177,580 | $74.27 | 678 |
| 2022 Q1 | 77,731,498 | $6,987,408,492 | +$661,182,955 | $89.88 | 675 |
| 2021 Q4 | 67,309,218 | $7,537,073,926 | +$817,030,247 | $111.96 | 683 |
| 2021 Q3 | 62,845,435 | $7,901,364,468 | -$428,532,718 | $125.71 | 625 |
| 2021 Q2 | 66,768,263 | $9,038,904,534 | -$2,204,821,161 | $135.40 | 651 |
| 2021 Q1 | 83,642,522 | $11,343,827,073 | -$1,167,937,751 | $135.65 | 633 |
| 2020 Q4 | 85,193,718 | $11,992,865,521 | +$1,339,455,315 | $140.78 | 635 |
| 2020 Q3 | 80,366,948 | $8,959,488,787 | -$24,268,489 | $111.43 | 545 |
| 2020 Q2 | 83,786,942 | $9,379,635,146 | -$1,087,010,535 | $111.95 | 516 |
| 2020 Q1 | 95,021,564 | $7,356,173,874 | +$1,575,802,086 | $77.44 | 433 |
| 2019 Q4 | 66,164,282 | $6,287,538,119 | +$141,039,047 | $95.11 | 466 |
| 2019 Q3 | 71,323,167 | $5,441,471,239 | +$152,804,941 | $76.25 | 398 |
| 2019 Q2 | 66,406,650 | $5,817,435,094 | -$555,474,249 | $87.71 | 417 |
| 2019 Q1 | 69,773,401 | $6,316,807,261 | +$547,845,494 | $90.54 | 438 |
| 2018 Q4 | 60,495,335 | $4,340,771,012 | +$31,261,859 | $71.75 | 418 |
| 2018 Q3 | 59,523,105 | $5,703,620,769 | -$127,007,340 | $95.87 | 428 |
| 2018 Q2 | 60,427,490 | $5,749,962,839 | +$168,258,783 | $95.19 | 425 |
| 2018 Q1 | 58,371,426 | $5,121,404,974 | +$1,137,086,932 | $87.73 | 406 |
| 2017 Q4 | 45,694,811 | $3,879,182,307 | +$137,417,896 | $84.87 | 392 |
| 2017 Q3 | 43,565,035 | $3,769,709,914 | -$257,689,571 | $86.57 | 348 |
| 2017 Q2 | 46,585,090 | $3,595,403,149 | +$165,695,742 | $77.18 | 311 |
| 2017 Q1 | 44,558,926 | $3,089,387,846 | +$589,742,008 | $69.34 | 291 |
| 2016 Q4 | 36,580,871 | $2,166,998,035 | -$634,249,141 | $59.19 | 274 |
| 2016 Q3 | 46,993,375 | $3,114,104,096 | +$342,475,956 | $66.29 | 226 |
| 2016 Q2 | 42,802,426 | $2,315,662,737 | -$119,419,159 | $54.08 | 201 |
| 2016 Q1 | 44,406,827 | $2,294,474,280 | +$44,577,607 | $51.66 | 191 |
| 2015 Q4 | 43,464,609 | $3,048,572,350 | -$590,603,434 | $70.20 | 196 |
| 2015 Q3 | 52,237,407 | $3,252,514,720 | +$2,244,308,382 | $62.25 | 194 |
| 2015 Q2 | 15,673,807 | $3,952,399,331 | +$870,396,509 | $252.24 | 190 |
| 2015 Q1 | 12,250,632 | $2,761,923,747 | +$193,670,272 | $225.50 | 178 |
| 2014 Q4 | 11,583,784 | $2,160,286,255 | +$134,088,316 | $186.47 | 144 |
| 2014 Q3 | 10,777,933 | $1,680,658,051 | +$65,546,810 | $155.97 | 128 |
| 2014 Q2 | 10,369,766 | $1,596,613,069 | -$146,257,748 | $153.99 | 127 |
| 2014 Q1 | 11,350,095 | $1,617,080,068 | +$284,800,710 | $142.48 | 129 |