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
-2,300
Closed -$12.1K – 9699
2025
Q4 		$12.1K Sell
2,300
-6,100
-73% -$42.6K ﹤0.01% 6866
2025
Q3 		$73K Sell
8,400
-1,200
-13% -$7.97K ﹤0.01% 6078
2025
Q2 		$68K Buy
9,600
+900
+10% +$5K ﹤0.01% 5611
2025
Q1 		$38K Buy
8,700
+8,000
+1,143% +$23.7K ﹤0.01% 6050
2024
Q4 		$1K Sell
700
-1,000
-59% -$2.86K ﹤0.01% 8249
2024
Q3 		$5K Hold
1,700
– – ﹤0.01% 7627
2024
Q2 		$8K Sell
1,700
-1,300
-43% -$7.85K ﹤0.01% 7591
2024
Q1 		$22K Sell
3,000
-2,800
-48% -$20.8K ﹤0.01% 7020
2023
Q4 		$65K Sell
5,800
-6,200
-52% -$42.4K ﹤0.01% 5832
2023
Q3 		$79K Buy
12,000
+11,700
+3,900% +$81K ﹤0.01% 5333
2023
Q2 		$2K Sell
300
-1,700
-85% -$13.7K ﹤0.01% 8446
2023
Q1 		$17K Buy
+2,000
New +$17.8K ﹤0.01% 7072
2022
Q4 		– Sell
-2,800
Closed -$46K – 9893
2022
Q3 		$46K Sell
2,800
-16,400
-85% -$319K ﹤0.01% 6561
2022
Q2 		$395K Buy
19,200
+7,900
+70% +$133K ﹤0.01% 3743
2022
Q1 		$214K Buy
11,300
+10,200
+927% +$175K ﹤0.01% 5067
2021
Q4 		$28K Buy
+1,100
New +$32.4K ﹤0.01% 7991

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.