Marshall Wace’s 908 Devices MASS Stock Holding History

Marshall Wace’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	–	Sell	-190,635	Closed	-$1M	–	3500
2025 Q4	$1M	Sell	190,635 -249,004	-57%	-$1.74M	﹤0.01%	1925
2025 Q3	$3.85M	Sell	439,639 -209,157	-32%	-$1.39M	﹤0.01%	1296
2025 Q2	$4.63M	Buy	648,796 +507,562	+359%	+$2.82M	0.01%	1177
2025 Q1	$633K	Buy	141,234 +102,734	+267%	+$304K	﹤0.01%	1974
2024 Q4	$84.7K	Buy	+38,500	New	+$110K	﹤0.01%	2459
2024 Q3	–	Sell	-44,396	Closed	-$229K	–	2777
2024 Q2	$229K	Buy	+44,396	New	+$268K	﹤0.01%	2255
2023 Q2	–	Sell	-21,204	Closed	-$182K	–	2759
2023 Q1	$182K	Buy	+21,204	New	+$189K	﹤0.01%	2422
2022 Q4	–	Sell	-53,284	Closed	-$876K	–	3213
2022 Q3	$876K	Buy	+53,284	New	+$1.03M	﹤0.01%	2467
2022 Q1	–	Sell	-1,422	Closed	-$37K	–	3727
2021 Q4	$37K	Sell	1,422 -35,413	-96%	-$1.04M	﹤0.01%	3620
2021 Q3	$1.2M	Buy	36,835 +31,614	+606%	+$1.07M	0.01%	1915
2021 Q2	$202K	Sell	5,221 -51,549	-91%	-$2.33M	﹤0.01%	2442
2021 Q1	$2.75M	Buy	56,770 +22,691	+67%	+$1.3M	0.01%	1161
2020 Q4	$1.94M	Buy	+34,079	New	+$1.99M	0.01%	964

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

Marshall Wace's MASS Position: Q1 2026 in Review

Marshall Wace sold out of 908 Devices (MASS) in Q1 2026, closing a stake of 190,635 shares — an estimated $1M sold.

Marshall Wace first reported a position in MASS in Q4 2020 and held it in 13 quarters. The position peaked at $4.63M in Q2 2025. 112 funds tracked by Wall St. Rank hold MASS as of Q1 2026.

Marshall Wace reported no remaining 908 Devices position as of Q1 2026 after selling out during the quarter.
Marshall Wace sold 190,635 908 Devices shares in Q1 2026, an estimated $1M.
Marshall Wace first reported a position in 908 Devices in Q4 2020 and held it in 13 quarters.
Marshall Wace's 908 Devices position peaked at $4.63M in Q2 2025.
112 funds tracked by Wall St. Rank held 908 Devices as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.