Vanguard Group’s 908 Devices MASS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$7.72M Buy
1,470,864
+49,132
+3% +$343K ﹤0.01% 3082
2025
Q3
$12.5M Sell
1,421,732
-9,383
-0.7% -$62.4K ﹤0.01% 2853
2025
Q2
$10.2M Buy
1,431,115
+68,945
+5% +$383K ﹤0.01% 2887
2025
Q1
$6.1M Buy
1,362,170
+37,636
+3% +$111K ﹤0.01% 3095
2024
Q4
$2.91M Sell
1,324,534
-553,162
-29% -$1.58M ﹤0.01% 3453
2024
Q3
$6.52M Buy
1,877,696
+34,994
+2% +$155K ﹤0.01% 3158
2024
Q2
$9.49M Buy
1,842,702
+91,600
+5% +$553K ﹤0.01% 2962
2024
Q1
$13.2M Buy
1,751,102
+6,772
+0.4% +$50.2K ﹤0.01% 2807
2023
Q4
$19.6M Buy
1,744,330
+33,044
+2% +$226K ﹤0.01% 2606
2023
Q3
$11.4M Sell
1,711,286
-18,338
-1% -$127K ﹤0.01% 2817
2023
Q2
$11.9M Buy
1,729,624
+232,540
+16% +$1.87M ﹤0.01% 2845
2023
Q1
$12.9M Sell
1,497,084
-562
-0% -$5.01K ﹤0.01% 2801
2022
Q4
$11.4M Buy
1,497,646
+75,495
+5% +$914K ﹤0.01% 2895
2022
Q3
$23.4M Buy
1,422,151
+288,923
+25% +$5.61M ﹤0.01% 2562
2022
Q2
$23.3M Buy
1,133,228
+242,204
+27% +$4.07M ﹤0.01% 2566
2022
Q1
$16.9M Buy
891,024
+52,839
+6% +$908K ﹤0.01% 2865
2021
Q4
$21.7M Buy
838,185
+187,824
+29% +$5.53M ﹤0.01% 2798
2021
Q3
$21.1M Buy
650,361
+235,297
+57% +$7.99M ﹤0.01% 2834
2021
Q2
$16.1M Buy
415,064
+81,355
+24% +$3.68M ﹤0.01% 2944
2021
Q1
$16.2M Buy
333,709
+293,709
+734% +$16.8M ﹤0.01% 2901
2020
Q4
$2.28M Buy
+40,000
New +$2.34M ﹤0.01% 3628

Other funds holding MASS

Vanguard Group's MASS Position: Q4 2025 in Review

Vanguard Group increased its 908 Devices (MASS) stake by 3.5% in Q4 2025, buying an estimated $343K and bringing the position to 1,470,864 shares worth $7.72M. The position accounts for ﹤0.01% of the portfolio, ranked #3082.

Vanguard Group first reported a position in MASS in Q4 2020 and has held it in 21 quarters since. The position peaked at $23.4M in Q3 2022. 118 funds tracked by Wall St. Rank hold MASS as of Q4 2025.

  • Vanguard Group held 1,470,864 shares of 908 Devices worth $7.72M as of Q4 2025.
  • Vanguard Group bought 49,132 908 Devices shares in Q4 2025, an estimated $343K.
  • 908 Devices made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #3082 holding.
  • Vanguard Group first reported a position in 908 Devices in Q4 2020 and has held it in 21 quarters since.
  • Vanguard Group's 908 Devices position peaked at $23.4M in Q3 2022.
  • 118 funds tracked by Wall St. Rank held 908 Devices as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.