Dimensional Fund Advisors
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Dimensional Fund Advisors’s 908 Devices MASS Stock Holding History

Dimensional Fund Advisors’s Portfolio MASS Stock Details MASS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.08M Buy
124,498
+5,747
+5% +$44.1K ﹤0.01% 2851
2026
Q1 		$726K Sell
118,751
-127,863
-52% -$801K ﹤0.01% 2894
2025
Q4 		$1.29M Sell
246,614
-78,174
-24% -$546K ﹤0.01% 2822
2025
Q3 		$2.84M Sell
324,788
-38,219
-11% -$254K ﹤0.01% 2673
2025
Q2 		$2.59M Sell
363,007
-21,325
-6% -$118K ﹤0.01% 2698
2025
Q1 		$1.72M Hold
384,332
– – ﹤0.01% 2758
2024
Q4 		$845K Sell
384,332
-12,707
-3% -$36.4K ﹤0.01% 2950
2024
Q3 		$1.38M Buy
397,039
+151,863
+62% +$674K ﹤0.01% 2862
2024
Q2 		$1.26M Buy
245,176
+114,987
+88% +$694K ﹤0.01% 2872
2024
Q1 		$983K Buy
130,189
+19,234
+17% +$143K ﹤0.01% 2924
2023
Q4 		$1.24M Buy
110,955
+89,558
+419% +$612K ﹤0.01% 2891
2023
Q3 		$143K Buy
21,397
+8,290
+63% +$57.4K ﹤0.01% 3274
2023
Q2 		$89.9K Sell
13,107
-29,410
-69% -$236K ﹤0.01% 3339
2023
Q1 		$366K Sell
42,517
-2,169
-5% -$19.4K ﹤0.01% 3089
2022
Q4 		$341 Buy
44,686
+8
+0% +$97 ﹤0.01% 3111
2022
Q3 		$735K Buy
44,678
+7,381
+20% +$143K ﹤0.01% 2962
2022
Q2 		$768K Buy
+37,297
New +$627K ﹤0.01% 2968

Other funds holding MASS

FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
AIC
AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.81B AUM 83.9% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dimensional Fund Advisors's MASS Position: Q2 2026 in Review

Dimensional Fund Advisors increased its 908 Devices (MASS) stake by 4.8% in Q2 2026, buying an estimated $44.1K and bringing the position to 124,498 shares worth $1.08M. The position accounts for ﹤0.01% of the portfolio, ranked #2851.

Dimensional Fund Advisors first reported a position in MASS in Q2 2022 and has held it in 17 quarters since. The position peaked at $2.84M in Q3 2025. 112 funds tracked by Wall St. Rank hold MASS as of Q2 2026.

  • Dimensional Fund Advisors held 124,498 shares of 908 Devices worth $1.08M as of Q2 2026.
  • Dimensional Fund Advisors bought 5,747 908 Devices shares in Q2 2026, an estimated $44.1K.
  • 908 Devices made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q2 2026, its #2851 holding.
  • Dimensional Fund Advisors first reported a position in 908 Devices in Q2 2022 and has held it in 17 quarters since.
  • Dimensional Fund Advisors's 908 Devices position peaked at $2.84M in Q3 2025.
  • 112 funds tracked by Wall St. Rank held 908 Devices as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.