Jim Simons
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Jim Simons’s 908 Devices MASS Stock Holding History

Jim Simons’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 		$1.41M Buy
230,200
+8,100
+4% +$50.7K ﹤0.01% 2089
2025
Q4 		$1.17M Buy
222,100
+12,800
+6% +$89.4K ﹤0.01% 2189
2025
Q3 		$1.83M Buy
209,300
+35,200
+20% +$234K ﹤0.01% 2134
2025
Q2 		$1.24M Buy
174,100
+29,500
+20% +$164K ﹤0.01% 2391
2025
Q1 		$648K Sell
144,600
-150,356
-51% -$445K ﹤0.01% 2631
2024
Q4 		$649K Sell
294,956
-27,444
-9% -$78.6K ﹤0.01% 2721
2024
Q3 		$1.12M Buy
322,400
+126,900
+65% +$563K ﹤0.01% 2371
2024
Q2 		$1.01M Buy
195,500
+86,500
+79% +$522K ﹤0.01% 2315
2024
Q1 		$823K Buy
109,000
+12,100
+12% +$89.7K ﹤0.01% 2602
2023
Q4 		$1.09M Buy
96,900
+12,200
+14% +$83.4K ﹤0.01% 2353
2023
Q3 		$564K Sell
84,700
-30,000
-26% -$208K ﹤0.01% 2652
2023
Q2 		$787K Sell
114,700
-37,400
-25% -$301K ﹤0.01% 2615
2023
Q1 		$1.31M Sell
152,100
-80,300
-35% -$717K ﹤0.01% 2292
2022
Q4 		$1.77M Buy
232,400
+65,700
+39% +$795K ﹤0.01% 2147
2022
Q3 		$2.74M Buy
166,700
+29,000
+21% +$563K ﹤0.01% 1817
2022
Q2 		$2.83M Buy
137,700
+98,700
+253% +$1.66M ﹤0.01% 1946
2022
Q1 		$741K Buy
+39,000
New +$670K ﹤0.01% 2926

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 $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
First Eagle Investment Management New York $59.9B AUM 27.01% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 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 $3.37T AUM 44.26% 1-Year Est. Return

Jim Simons's MASS Position: Q1 2026 in Review

Jim Simons increased its 908 Devices (MASS) stake by 3.6% in Q1 2026, buying an estimated $50.7K and bringing the position to 230,200 shares worth $1.41M. The position accounts for ﹤0.01% of the portfolio, ranked #2089.

Jim Simons first reported a position in MASS in Q1 2022 and has held it in 17 quarters since. The position peaked at $2.83M in Q2 2022. 112 funds tracked by Wall St. Rank hold MASS as of Q1 2026.

  • Jim Simons held 230,200 shares of 908 Devices worth $1.41M as of Q1 2026.
  • Jim Simons bought 8,100 908 Devices shares in Q1 2026, an estimated $50.7K.
  • 908 Devices made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2089 holding.
  • Jim Simons first reported a position in 908 Devices in Q1 2022 and has held it in 17 quarters since.
  • Jim Simons's 908 Devices position peaked at $2.83M in Q2 2022.
  • 112 funds tracked by Wall St. Rank held 908 Devices as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.