Simplex Trading
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Simplex Trading’s 908 Devices MASS Stock Holding History

Simplex Trading’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
-1,600
Closed -$8.4K – 9700
2025
Q4 		$8.4K Buy
1,600
+700
+78% +$4.89K ﹤0.01% 7099
2025
Q3 		$7K Sell
900
-1,300
-59% -$8.64K ﹤0.01% 8119
2025
Q2 		$15K Sell
2,200
-13,600
-86% -$75.6K ﹤0.01% 7012
2025
Q1 		$70K Buy
15,800
+15,000
+1,875% +$44.4K ﹤0.01% 5445
2024
Q4 		$1K Buy
800
+200
+33% +$573 ﹤0.01% 8250
2024
Q3 		$2K Buy
+600
New +$2.66K ﹤0.01% 8028
2024
Q2 		– Sell
-2,000
Closed -$15K – 9390
2024
Q1 		$15K Buy
2,000
+1,800
+900% +$13.3K ﹤0.01% 7328
2023
Q4 		$2K Hold
200
– – ﹤0.01% 8298
2023
Q3 		$1K Hold
200
– – ﹤0.01% 8353
2023
Q2 		$1K Buy
+200
New +$1.61K ﹤0.01% 8655
2023
Q1 		– Sell
-1,900
Closed -$14K – 9691
2022
Q4 		$14K Sell
1,900
-200
-10% -$2.42K ﹤0.01% 7216
2022
Q3 		$34K Buy
+2,100
New +$40.8K ﹤0.01% 6927
2022
Q2 		– Sell
-500
Closed -$9K – 10611
2022
Q1 		$9K Sell
500
-500
-50% -$8.6K ﹤0.01% 8963
2021
Q4 		$25K Buy
+1,000
New +$29.4K ﹤0.01% 8116

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
BlackRock New York $5.72T AUM 30.48% 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
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
Geode Capital Management
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Simplex Trading's MASS Position: Q2 2025 in Review

Simplex Trading sold out of 908 Devices (MASS) in Q2 2025, closing a stake of 3,516 shares — an estimated $19.5K sold.

Simplex Trading first reported a position in MASS in Q1 2022 and held it in 7 quarters. The position peaked at $21K in Q4 2022. 101 funds tracked by Wall St. Rank hold MASS as of Q2 2025.

  • Simplex Trading reported no remaining 908 Devices position as of Q2 2025 after selling out during the quarter.
  • Simplex Trading sold 3,516 908 Devices shares in Q2 2025, an estimated $19.5K.
  • Simplex Trading first reported a position in 908 Devices in Q1 2022 and held it in 7 quarters.
  • Simplex Trading's 908 Devices position peaked at $21K in Q4 2022.
  • 101 funds tracked by Wall St. Rank held 908 Devices as of Q2 2025.

Based on Simplex Trading's 13F filing for Q2 2025, filed 5 Aug 2025.