As of 30 Sep 2025, 2,192 institutional investors reported holding 205,835,998 shares of VANGUARD INDEX FDS - MID CAP ETF (VO).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 5,072,687 | $1,477,330,254 | +$32,799,145 | $290.22 | 290 |
| 2025 Q3 | 205,835,998 | $60,411,765,413 | +$2,168,958,429 | $293.74 | 2,192 |
| 2025 Q2 | 198,840,639 | $55,618,259,206 | +$4,080,950,238 | $279.83 | 2,148 |
| 2025 Q1 | 183,496,272 | $47,349,147,136 | +$1,915,958,844 | $258.62 | 2,100 |
| 2024 Q4 | 176,850,725 | $46,719,023,352 | +$1,744,092,445 | $264.13 | 2,108 |
| 2024 Q3 | 168,861,209 | $44,526,507,988 | +$542,455,415 | $263.83 | 1,907 |
| 2024 Q2 | 166,038,069 | $40,207,938,694 | +$575,700,669 | $242.10 | 1,850 |
| 2024 Q1 | 163,821,205 | $40,911,811,490 | +$122,946,298 | $249.86 | 1,843 |
| 2023 Q4 | 285,164 | $66,344,506 | -$4,142,400 | $232.64 | 34 |
| 2023 Q3 | 158,629,782 | $33,032,596,295 | +$890,789,000 | $208.24 | 1,623 |
| 2023 Q2 | 154,489,472 | $34,008,854,845 | +$139,316,155 | $220.16 | 1,620 |
| 2023 Q1 | 154,182,206 | $32,510,758,973 | +$155,092,843 | $210.92 | 1,585 |
| 2022 Q4 | 154,744,866 | $31,529,663,742 | +$621,342,236 | $203.81 | 1,588 |
| 2022 Q3 | 146,524,974 | $27,572,656,256 | +$185,865,921 | $187.98 | 1,473 |
| 2022 Q2 | 149,223,903 | $29,431,840,723 | +$1,180,163,085 | $196.97 | 1,482 |
| 2022 Q1 | 134,435,314 | $31,956,417,600 | +$349,533,576 | $237.84 | 1,543 |
| 2021 Q4 | 139,560,517 | $35,520,955,773 | +$2,064,739,471 | $254.77 | 1,558 |
| 2021 Q3 | 132,827,737 | $31,335,140,551 | +$997,103,826 | $236.76 | 1,338 |
| 2021 Q2 | 128,422,940 | $30,416,165,182 | +$374,083,006 | $237.35 | 1,308 |
| 2021 Q1 | 120,760,221 | $26,628,651,344 | +$307,755,838 | $221.34 | 1,255 |
| 2020 Q4 | 124,972,454 | $25,782,428,088 | -$673,248,667 | $206.77 | 1,205 |
| 2020 Q3 | 127,651,294 | $22,430,819,876 | +$141,509,157 | $176.26 | 1,041 |
| 2020 Q2 | 126,381,459 | $20,634,581,923 | +$2,353,440,347 | $163.91 | 1,037 |
| 2020 Q1 | 111,585,570 | $14,655,916,790 | +$1,820,247,787 | $131.65 | 967 |
| 2019 Q4 | 97,508,516 | $17,324,609,470 | +$3,657,659 | $178.18 | 1,008 |
| 2019 Q3 | 86,884,942 | $14,556,730,201 | +$901,125,106 | $167.60 | 882 |
| 2019 Q2 | 91,117,060 | $15,222,228,866 | -$98,127,606 | $167.16 | 883 |
| 2019 Q1 | 91,326,961 | $14,681,160,563 | +$145,836,748 | $160.75 | 852 |
| 2018 Q4 | 90,571,029 | $12,515,237,045 | +$423,938,696 | $138.18 | 836 |
| 2018 Q3 | 83,736,447 | $13,738,602,307 | +$328,497,756 | $164.19 | 763 |
| 2018 Q2 | 82,511,818 | $13,005,389,800 | +$382,446,528 | $157.64 | 759 |
| 2018 Q1 | 80,629,374 | $12,432,314,874 | +$787,708,515 | $154.21 | 752 |
| 2017 Q4 | 75,588,299 | $11,705,501,549 | +$164,717,656 | $154.78 | 742 |
| 2017 Q3 | 73,011,243 | $10,732,369,567 | +$117,260,429 | $147.00 | 635 |
| 2017 Q2 | 72,338,882 | $10,310,538,933 | +$343,444,760 | $142.52 | 632 |
| 2017 Q1 | 69,746,507 | $9,707,891,986 | +$744,960,551 | $139.24 | 609 |
| 2016 Q4 | 64,623,929 | $8,507,237,501 | +$647,370,694 | $131.63 | 565 |
| 2016 Q3 | 57,663,765 | $7,462,635,915 | +$291,811,119 | $129.44 | 491 |
| 2016 Q2 | 55,564,549 | $6,869,753,370 | -$185,979,529 | $123.63 | 477 |
| 2016 Q1 | 56,906,192 | $6,896,662,988 | +$515,549,130 | $121.23 | 458 |
| 2015 Q4 | 52,733,990 | $6,320,394,619 | +$494,008,982 | $120.11 | 448 |
| 2015 Q3 | 47,899,393 | $5,591,368,631 | +$415,346,739 | $116.67 | 401 |
| 2015 Q2 | 44,419,222 | $5,661,108,402 | +$568,948,603 | $127.43 | 394 |
| 2015 Q1 | 39,926,107 | $5,294,355,001 | +$713,295,556 | $132.70 | 385 |
| 2014 Q4 | 34,608,449 | $4,275,657,344 | +$563,785,110 | $123.56 | 361 |
| 2014 Q3 | 29,505,208 | $3,460,328,476 | +$243,175,074 | $117.31 | 316 |
| 2014 Q2 | 27,375,980 | $3,248,628,905 | +$211,144,513 | $118.67 | 308 |
| 2014 Q1 | 25,581,578 | $2,905,478,534 | +$216,522,538 | $113.58 | 307 |