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Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
FEIM Frequency Electronics	$29.01 +6.0%	$24.50	$11.71 ▼ $32.73	$282.21M	0.45	175,513 shs	251,724 shs
MASS 908 Devices	$6.45 +7.1%	$6.81	$1.81 ▼ $8.06	$231.30M	0.37	1.51 million shs	276,040 shs
SEER Seer	$2.11 +2.9%	$2.11	$1.59 ▼ $2.63	$118.88M	1.57	224,859 shs	79,661 shs
SENS Senseonics	$0.46 +5.4%	$0.50	$0.25 ▼ $1.40	$372.64M	0.88	8.16 million shs	6.46 million shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
FEIM Frequency Electronics	+1.33%	-10.12%	+7.76%	+43.47%	+110.46%
MASS 908 Devices	+0.67%	-14.85%	-14.73%	+25.42%	+42.65%
SEER Seer	0.00%	-1.44%	-4.65%	-2.38%	+24.24%
SENS Senseonics	-1.79%	-9.73%	-25.16%	-13.99%	+6.21%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
FEIM Frequency Electronics	1.3343 of 5 stars	0.0	2.0	2.5	2.5	1.3
MASS 908 Devices	3.45 of 5 stars	3.6	4.0	1.2	4.2	0.6
SEER Seer	0.5335 of 5 stars	0.0	1.0	1.0	3.3	0.6
SENS Senseonics	2.3947 of 5 stars	3.8	2.0	3.0	0.0	0.6

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
FEIM Frequency Electronics	0.00	N/A	N/A	N/A
MASS 908 Devices	3.25	Buy	$8.00	24.03% Upside
SEER Seer	0.00	N/A	N/A	N/A
SENS Senseonics	3.50	Strong Buy	$1.55	238.87% Upside

Current Analyst Ratings Breakdown

Latest SEER, SENS, FEIM, and MASS Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
8/14/2025	MASS 908 Devices	Weiss Ratings Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Sell (D-) ➝ Sell (D-)
8/5/2025	MASS 908 Devices	Leerink Partnrs Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Hold ➝ Strong-Buy
8/5/2025	MASS 908 Devices	Leerink Partners Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Market Perform ➝ Outperform	$12.00
7/29/2025	MASS 908 Devices	Weiss Ratings Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Sell (D-) ➝ Sell (D-)
7/17/2025	SENS Senseonics	Lake Street Capital Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Strong-Buy
7/15/2025	SENS Senseonics	TD Cowen Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Buy	$1.25
7/12/2025	MASS 908 Devices	Weiss Ratings Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Sell (D-) ➝ Sell (D-)
7/8/2025	SENS Senseonics	HC Wainwright Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$1.10 ➝ $1.40
6/27/2025	MASS 908 Devices	Weiss Ratings Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Sell (D-) ➝ Sell (D-)
6/11/2025	MASS 908 Devices	Weiss Ratings Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Sell (E+) ➝ Sell (D-)
6/2/2025	SENS Senseonics	HC Wainwright Subscribe to MarketBeat All Access for the recommendation accuracy rating	Set Price Target	Buy	$1.10

(Data available from 8/22/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
FEIM Frequency Electronics	$69.81M	4.04	$2.87 per share	10.10	$5.75 per share	5.05
MASS 908 Devices	$59.63M	3.88	N/A	N/A	$4.15 per share	1.55
SEER Seer	$14.17M	8.39	N/A	N/A	$5.12 per share	0.41
SENS Senseonics	$25.47M	14.63	N/A	N/A	$0.07 per share	6.53

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
FEIM Frequency Electronics	$23.69M	$2.47	11.74	∞	N/A	34.09%	53.83%	27.82%	9/9/2025 (Estimated)
MASS 908 Devices	-$72.21M	-$0.54	N/A	N/A	N/A	-30.54%	-24.30%	-18.55%	N/A
SEER Seer	-$86.60M	-$1.39	N/A	N/A	N/A	-506.15%	-25.10%	-22.48%	11/5/2025 (Estimated)
SENS Senseonics	-$60.39M	-$0.10	N/A	N/A	N/A	-362.30%	-842.25%	-67.99%	N/A

Latest SEER, SENS, FEIM, and MASS Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
9/9/2025	Q1 2026	FEIM Frequency Electronics	$0.36	N/A	N/A	N/A	$16.53 million	N/A
8/6/2025	Q2 2025	SEER Seer	-$0.39	-$0.33	+$0.06	-$0.33	$3.75 million	$4.05 million
8/5/2025	Q2 2025	MASS 908 Devices	-$0.16	-$0.18	-$0.02	-$0.37	$12.17 million	$4.70 million
7/10/2025	Q4 2025	FEIM Frequency Electronics	N/A	$0.34	N/A	$0.34	N/A	$19.99 million

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
FEIM Frequency Electronics	N/A	N/A	N/A	N/A	N/A
MASS 908 Devices	N/A	N/A	N/A	N/A	N/A
SEER Seer	N/A	N/A	N/A	N/A	N/A
SENS Senseonics	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
FEIM Frequency Electronics	N/A	2.26	1.26
MASS 908 Devices	N/A	4.98	4.46
SEER Seer	N/A	19.15	18.51
SENS Senseonics	59.17	2.47	2.38

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
FEIM Frequency Electronics	58.60%
MASS 908 Devices	88.06%
SEER Seer	75.20%
SENS Senseonics	12.36%

Insider Ownership

Company	Insider Ownership
FEIM Frequency Electronics	26.10%
MASS 908 Devices	23.70%
SEER Seer	11.28%
SENS Senseonics	3.60%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
FEIM Frequency Electronics	200	9.73 million	7.19 million	Not Optionable
MASS 908 Devices	60	35.86 million	27.36 million	Optionable
SEER Seer	160	56.34 million	49.98 million	Optionable
SENS Senseonics	90	814.68 million	573.90 million	N/A

SEER, SENS, FEIM, and MASS Headlines

Recent News About These Companies

Here's Why Senseonics (SENS) Is a Great 'Buy the Bottom' Stock Now

August 21 at 10:56 AM | zacks.com

Informed Momentum Co LLC Acquires Shares of 852,215 Senseonics Holdings, Inc. (NYSE:SENS)

August 14, 2025 | marketbeat.com

What is HC Wainwright's Estimate for Senseonics Q4 Earnings?

August 12, 2025 | marketbeat.com

Senseonics Holdings, Inc. (SENS) Q2 2025 Earnings Call Transcript

August 6, 2025 | seekingalpha.com

Senseonics posts Street-beating Q2 with 37% sales growth

August 6, 2025 | drugdeliverybusiness.comD

Senseonics Holdings (SENS) Reports Q2 Loss, Tops Revenue Estimates

August 6, 2025 | zacks.com

Senseonics Holdings, Inc. Reports Second Quarter Financial Results

August 6, 2025 | globenewswire.com

Senseonics Holdings, Inc. Schedules Second Quarter 2025 Earnings Release and Conference Call ...

July 16, 2025 | gurufocus.com

Senseonics Holdings, Inc. Schedules Second Quarter 2025 Earnings Release and Conference Call for August 6, 2025 at 4:30 P.M. Eastern Time

July 16, 2025 | globenewswire.com

Sequel Med Tech expects full twiist launch in the fall

July 15, 2025 | drugdeliverybusiness.comD

New glucose sensors, insulin patch pumps lead ADA’s Scientific Sessions

July 3, 2025 | medtechdive.comM

ADA takeaways: Diabetes tech firms preview new patch pumps, glucose sensors

June 24, 2025 | medtechdive.comM

Senseonics lays out hopes for next-gen CGM commercial timelines

June 24, 2025 | drugdeliverybusiness.comD

Here's Why Senseonics (SENS) is Poised for a Turnaround After Losing 5.7% in 4 Weeks

June 18, 2025 | zacks.com

Senseonics Holdings, Inc. to Host In-Person and Virtual Analyst Event at ADA 2025: Eversense® 365 Continuous Glucose Monitoring System for People with Diabetes

June 4, 2025 | globenewswire.com

Senseonics Holdings, Inc. Secures $57.5 Million in Public Offering and $20.3 Million from Private Placement with Abbott Laboratories

May 21, 2025 | quiverquant.comQ

Senseonics Holdings, Inc. Announces Closing of Public Offering, Including Exercise in Full of the Underwriters' Option to Purchase Additional Shares, and Closing of Private Placement

May 21, 2025 | globenewswire.com

Revisiting Senseonics After 4 Years: Still A Big Investment Opportunity

May 21, 2025 | seekingalpha.com

Senseonics Announces Pricing of $50 Million Public Offering of Common Stock and Concurrent Private Placement

May 15, 2025 | globenewswire.com

Senseonics opens $50M public offering, $25M private placement with Abbott

May 15, 2025 | drugdeliverybusiness.comD

Senseonics Announces Commencement of $50 Million Public Offering of Common Stock and Concurrent Private Placement

May 15, 2025 | globenewswire.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

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SEER, SENS, FEIM, and MASS Company Descriptions

Frequency Electronics NASDAQ:FEIM

$29.01 +1.65 (+6.03%)

Closing price 04:00 PM Eastern

Extended Trading

$29.40 +0.38 (+1.33%)

As of 06:33 PM Eastern

Frequency Electronics, Inc., together with its subsidiaries, engages in designing, development, and manufacturing of precision time and frequency control products and components for microwave integrated circuit applications. It operates through two segments, FEI-NY and FEI-Zyfer. The FEI-NY segment offers precision time and frequency control products for communication satellites, terrestrial cellular telephone or other ground-based telecommunication stations; and other components and systems for the U.S. military; and provides design and technical support for satellite business. FEI-Zyfer segment offers global positioning system technologies to systems and subsystems for secure communications, both government and commercial, and other locator applications; and engages in sale and support of wireline telecommunications products, including US5G. It markets its products directly and through independent sales representative organizations located in the United States, Europe, and Asia. Frequency Electronics, Inc. was founded in 1961 and is headquartered in Mitchel Field, New York.

908 Devices NASDAQ:MASS

$6.45 +0.43 (+7.14%)

Closing price 04:00 PM Eastern

Extended Trading

$6.45 0.00 (0.00%)

As of 04:48 PM Eastern

908 Devices Inc., a commercial-stage technology company, provides various purpose-built handheld and desktop mass spectrometry devices to interrogate unknown and invisible materials in life sciences research, bioprocessing, pharma/biopharma, forensics, and adjacent markets. The company's products include MX908, a handheld, battery-powered, and Mass Spec device that is designed for rapid analysis of solid, liquid, vapor, and aerosol materials of unknown identity; Rebel, a small desktop analyzer that provides real-time information on the extracellular environment in bioprocesses; and Maverick, an optical in-line analyzer that offers real-time monitoring and control of multiple bioprocess parameters, including glucose, lactate, and total biomass in mammalian cell cultures, as well as provides process fingerprint data to support large-scale efforts in predictive bioprocess modeling. Its products also comprise Maven and Trace C2, an online device for bioprocess monitoring and control; and ZipChip solution, a plug-and-play, high-resolution separation platform that optimizes Mass Spec sample analysis. The company operates in the United States, Europe, the Middle East, Africa, the Asia Pacific, and rest of the Americas. 908 Devices Inc. was incorporated in 2012 and is headquartered in Boston, Massachusetts.

Seer NASDAQ:SEER

$2.11 +0.06 (+2.93%)

Closing price 04:00 PM Eastern

Extended Trading

$2.11 0.00 (0.00%)

As of 05:00 PM Eastern

Seer, Inc., a life sciences company, engages in developing and commercializing products to decode the biology of the proteome. It develops Proteograph Product Suite, an integrated solution that includes proprietary engineered nanoparticles, consumables, automation instrumentation, and software to perform proteomic analysis to provide a solution that can be incorporated by nearly any lab for research use only. The company intends to sell its products for research use only, which cover academic institutions, life sciences, and research laboratories, as well as biopharmaceutical and biotechnology companies for non-diagnostic and non-clinical purposes. It operates in China, Australia, Eastern Europe, Israel, and Japan. The company was formerly known as Seer Biosciences, Inc. and changed its name to Seer, Inc. in July 2018. Seer, Inc. was incorporated in 2017 and is headquartered in Redwood City, California.

Senseonics NYSE:SENS

$0.46 +0.02 (+5.37%)

Closing price 04:00 PM Eastern

Extended Trading

$0.46 0.00 (-0.09%)

As of 06:51 PM Eastern

Senseonics Holdings, Inc., a medical technology company, focuses on development and manufacturing of continuous glucose monitoring (CGM) systems for people with diabetes in the United States and internationally. The company's products include Eversense, Eversense XL, and Eversense E3 that are implantable CGM systems to measure glucose levels in people with diabetes through an under-the-skin sensor, a removable and rechargeable smart transmitter, and a convenient app for real-time diabetes monitoring and management. It serves healthcare providers and patients through a network of distributors and strategic fulfillment partners. Senseonics Holdings, Inc. was founded in 1996 and is headquartered in Germantown, Maryland.

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Comparative Price Performance Over Time