Jim Simons 908 Devices Inc. Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q3 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in 908 Devices Inc. stock. As of the latest transaction made, Renaissance Technologies LLC holds 209,300 shares of MASS stock, worth $1.15 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

209,300

Previous 174,100 20.22%

Holding current value

$1.15 Million

Previous $1.24 Million 47.7%

% of portfolio

0.0%

Previous 0.0%

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	BUY	$5.44 - $8.76 $191,488 - $308,352	35,200 Added 20.22%	209,300 $1.83 Million
Q2 2025 Aug 13, 2025	BUY	$3.63 - $7.97 $107,085 - $235,115	29,500 Added 20.4%	174,100 $1.24 Million
Q1 2025 May 14, 2025	SELL	$1.98 - $4.58 $297,704 - $688,630	-150,356 Reduced 50.98%	144,600 $647,000
Q4 2024 Feb 13, 2025	SELL	$1.88 - $3.91 $51,594 - $107,306	-27,444 Reduced 8.51%	294,956 $648,000
Q3 2024 Nov 13, 2024	BUY	$3.45 - $6.17 $437,805 - $782,973	126,900 Added 64.91%	322,400 $1.12 Million

Q2 2024 Aug 09, 2024	BUY	$5.0 - $7.24 $432,500 - $626,260	86,500 Added 79.36%	195,500 $1.01 Million
Q1 2024 May 13, 2024	BUY	$6.55 - $9.92 $79,255 - $120,032	12,100 Added 12.49%	109,000 $823,000
Q4 2023 Feb 13, 2024	BUY	$4.96 - $12.41 $60,512 - $151,402	12,200 Added 14.4%	96,900 $1.09 Million
Q3 2023 Nov 14, 2023	SELL	$6.0 - $8.2 $180,000 - $245,999	-30,000 Reduced 26.16%	84,700 $564,000
Q2 2023 Aug 11, 2023	SELL	$5.78 - $10.02 $216,172 - $374,748	-37,400 Reduced 24.59%	114,700 $787,000
Q1 2023 May 12, 2023	SELL	$6.61 - $10.66 $530,783 - $855,998	-80,300 Reduced 34.55%	152,100 $1.31 Million
Q4 2022 Feb 13, 2023	BUY	$7.0 - $17.96 $459,900 - $1.18 Million	65,700 Added 39.41%	232,400 $1.77 Million
Q3 2022 Nov 14, 2022	BUY	$15.18 - $24.99 $440,220 - $724,710	29,000 Added 21.06%	166,700 $2.74 Million
Q2 2022 Aug 12, 2022	BUY	$13.3 - $20.74 $1.31 Million - $2.05 Million	98,700 Added 253.08%	137,700 $2.84 Million
Q1 2022 May 13, 2022	BUY	$13.18 - $26.28 $514,020 - $1.02 Million	39,000 New	39,000 $741,000

Others Institutions Holding MASS

# of Institutions

112

Shares Held

24.7M

Call Options Held

39.9K

Put Options Held

13.6K

View Full List

About 908 Devices Inc.

Ticker MASS
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 31,590,200
Market Cap $173M
Description
908 Devices Inc., a commercial-stage technology company, provides various purpose-built handheld and desktop mass spectrometry (Mass Spec) devices to interrogate unknown and invisible materials in life sciences research, bioprocessing, industrial biotech, forensics, and adjacent markets. The company's products include MX908, a handheld, battery-...

More about MASS

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