State of Wisconsin Investment Board’s 908 Devices MASS Stock Holding History

State of Wisconsin Investment Board’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 Q1	$160K	Sell	26,198 -6,096	-19%	-$38.2K	﹤0.01%	2375
2025 Q4	$170K	Buy	+32,294	New	+$226K	﹤0.01%	2286
2024 Q1	–	Sell	-17,834	Closed	-$200K	–	2347
2023 Q4	$200K	Sell	17,834 -8,000	-31%	-$54.7K	﹤0.01%	2202
2023 Q3	$172K	Sell	25,834 -6,100	-19%	-$42.2K	﹤0.01%	2288
2023 Q2	$219K	Buy	31,934 +500	+2%	+$4.02K	﹤0.01%	2112
2023 Q1	$270K	Buy	31,434 +5,235	+20%	+$46.7K	﹤0.01%	2142
2022 Q4	$200K	Buy	+26,199	New	+$317K	﹤0.01%	2250
2022 Q3	–	Sell	-33,822	Closed	-$696K	–	2737
2022 Q2	$696K	Buy	+33,822	New	+$568K	﹤0.01%	1893

Other funds holding MASS

FLAM

First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return

AIC

AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

NIM

Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

First Eagle Investment Management New York $59.9B AUM 27.01% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

GIM

Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return

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

State of Wisconsin Investment Board's MASS Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its 908 Devices (MASS) stake by 19% in Q1 2026, selling an estimated $38.2K and leaving 26,198 shares worth $160K. The position accounts for ﹤0.01% of the portfolio, ranked #2375.

State of Wisconsin Investment Board first reported a position in MASS in Q2 2022 and has held it in 8 quarters since. The position peaked at $696K in Q2 2022. 112 funds tracked by Wall St. Rank hold MASS as of Q1 2026.

State of Wisconsin Investment Board held 26,198 shares of 908 Devices worth $160K as of Q1 2026.
State of Wisconsin Investment Board sold 6,096 908 Devices shares in Q1 2026, an estimated $38.2K.
908 Devices made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #2375 holding.
State of Wisconsin Investment Board first reported a position in 908 Devices in Q2 2022 and has held it in 8 quarters since.
State of Wisconsin Investment Board's 908 Devices position peaked at $696K in Q2 2022.
112 funds tracked by Wall St. Rank held 908 Devices as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.