T. Rowe Price Associates’s 908 Devices MASS Stock Holding History

T. Rowe Price Associates’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	$178K	Buy	20,387 +1,002	+5%	+$7.7K	﹤0.01%	3038
2026 Q1	$119K	Buy	19,385 +5,558	+40%	+$34.8K	﹤0.01%	2960
2025 Q4	$73K	Hold	13,827	–	–	﹤0.01%	2991
2025 Q3	$122K	Buy	13,827 +1,417	+11%	+$9.42K	﹤0.01%	2893
2025 Q2	$89K	Hold	12,410	–	–	﹤0.01%	2913
2025 Q1	$56K	Buy	+12,410	New	+$36.8K	﹤0.01%	2910
2021 Q2	–	Sell	-465,287	Closed	-$22.6M	–	2942
2021 Q1	$22.6M	Sell	465,287 -107,713	-19%	-$6.16M	﹤0.01%	1251
2020 Q4	$32.6M	Buy	+573,000	New	+$33.5M	﹤0.01%	1091

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 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 Malvern, Pennsylvania $4.68T AUM

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

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 Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates's MASS Position: Q2 2026 in Review

T. Rowe Price Associates increased its 908 Devices (MASS) stake by 5.2% in Q2 2026, buying an estimated $7.7K and bringing the position to 20,387 shares worth $178K. The position accounts for ﹤0.01% of the portfolio, ranked #3038.

T. Rowe Price Associates first reported a position in MASS in Q4 2020 and has held it in 8 quarters since. The position peaked at $32.6M in Q4 2020. 112 funds tracked by Wall St. Rank hold MASS as of Q2 2026.

T. Rowe Price Associates held 20,387 shares of 908 Devices worth $178K as of Q2 2026.
T. Rowe Price Associates bought 1,002 908 Devices shares in Q2 2026, an estimated $7.7K.
908 Devices made up ﹤0.01% of T. Rowe Price Associates's portfolio in Q2 2026, its #3038 holding.
T. Rowe Price Associates first reported a position in 908 Devices in Q4 2020 and has held it in 8 quarters since.
T. Rowe Price Associates's 908 Devices position peaked at $32.6M in Q4 2020.
112 funds tracked by Wall St. Rank held 908 Devices as of Q2 2026.

Based on T. Rowe Price Associates's 13F filing for Q2 2026, filed 14 Aug 2026.