What is the 13F Pro Quality Score for STEM?

13F Pro ranks STEM, INC. (STEM) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View STEM's current score at https://13fpro.ai/research/STEM (free sign-up required for the full ranking).

Where does 13F Pro source STEM data?

All STEM, INC. fundamentals and ownership data come directly from SEC EDGAR. STEM, INC. files with the SEC under CIK 1758766. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is STEM in?

STEM, INC. (STEM) is classified in the Technology sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/technology.

How often is STEM research updated on 13F Pro?

STEM's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

STEM, INC.(STEM)Stock Analysis

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13F Pro Quality Score

44.0/100

Rank #1,794 of 2,879 stocks

View Technology peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

3.7/100

Profitability

96.4/100

Balance Sheet

99.5/100

Earnings Quality

30.0/100

Free Cash Flow

21.4/100

Institutional Flow

3.5/100

Revenue Scale

20.4/100

Dilution Risk

22.1/100

STEM Stock Analysis & AI Quality Score

AI stock analysis and institutional research for STEM, INC. (STEM), a Technology sector company. 13F Pro's AI-powered ranking engine scores STEM at 44.0/100 on a 32-signal composite quality model, placing it at rank #1,794 of 2,879 stocks — the bottom half of the AI-ranked universe. STEM scores in the top quartile across balance sheet strength (99.5), profitability (96.4). Areas of concern include institutional flow (3.5) and revenue growth (3.7), which score below median versus the broader universe. Shareholder dilution risk is elevated at 22.1/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), STEM, INC. reports quarterly revenue of $29.0M, net income of $-18.9M, free cash flow of $-8.3M. Top institutional holders of STEM by reported 13-F value include VANGUARD CAPITAL MANAGEMENT, MARSHALL WACE, LLP, TWO SIGMA INVESTMENTS,, based on the most recent SEC filings. STEM trades on the NYSE exchange and files with the SEC under CIK 1758766. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate STEM daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for STEM, INC. directly from SEC EDGAR. STEM, INC.'s 13F Pro composite quality score has ranged between 8 and 56 since 2021, currently 44.0 — an improving long-term trajectory across 53 quarterly and live scoring snapshots.

✦

Fun facts about STEM, INC.

Quirks, history, and lore behind STEM — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. technology company · mid-cap · listed on NYSE · headquartered in San Francisco, California.
2
The Numbers
Manages gigawatt-hours of battery storage across a network of commercial and industrial sites, with annual revenue in the low hundreds of millions of dollars.
3
The History
Founded around 2009, it rode the boom in renewable energy and grid-scale storage to go public via a SPAC merger in 2020.
4
The Secret
It doesn't just sell batteries — it runs an AI-powered software platform that optimizes when those batteries charge, discharge, and trade energy on the grid.
5
The Lore
Its customers include some of the biggest names in clean energy, and its platform has been compared to a virtual power plant stitching together thousands of storage assets nationwide.
6
The Giveaway
Its ticker is literally a science acronym, its business is smart battery storage, and its name sounds like it belongs in a high-school physics class — not on the NYSE.

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Revenue

Q1 2026

$29.0M

Net Income

Q1 2026

$-18.9M

Free Cash Flow

Q1 2026

$-8.3M

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+8.1% YoY

$156.3MFY 2025

FY22 $363.0MFY23 $461.5MFY24 $144.6MFY25 $156.3M

Net Income

—FY 2025

FY22 $-124.1MFY23 —FY24 —FY25 —

Operating Income

+93.4% YoY

$-55.7MFY 2025

FY22 $-131.1MFY23 $-179.3MFY24 $-839.5MFY25 $-55.7M

EPS (Diluted)

+91.3% YoY

$-9.18FY 2025

FY22 $-0.81FY23 $-18.05FY24 $-105.80FY25 $-9.18

Total Assets

-29.4% YoY

$308.9MFY 2025

FY22 $1.42BFY23 $1.36BFY24 $437.4MFY25 $308.9M

Op. Cash Flow

+118.7% YoY

$6.9MFY 2025

FY22 $-106.0MFY23 $-207.4MFY24 $-36.6MFY25 $6.9M

Metric	FY 2025	FY 2024	FY 2023	FY 2022
Revenue	$156.3M +8.1%	$144.6M -68.7%	$461.5M +27.1%	$363.0M
Net Income	—	—	—	$-124.1M
Operating Income	$-55.7M +93.4%	$-839.5M -368.1%	$-179.3M -36.8%	$-131.1M
EPS (Diluted)	$-9.18 +91.3%	$-105.80 -486.1%	$-18.05 -2128.4%	$-0.81
Total Assets	$308.9M -29.4%	$437.4M -67.8%	$1.36B -4.6%	$1.42B
Operating Cash Flow	$6.9M +118.7%	$-36.6M +82.3%	$-207.4M -95.6%	$-106.0M

AI Insight: STEM Financial Trends

Operating losses are narrowing but revenue slipped to a 7-quarter low of $29M in Q1 2026, signaling fragile progress.

• Operating loss improved dramatically from $-580M in Q2 2024 to $-8M in Q4 2025, before widening slightly to $-14M in Q1 2026.

• Revenue fell to $29M in Q1 2026, matching Q3 2024's low and reversing a partial recovery from Q4 2025's $47M.

• Equity has deteriorated from $-203M in Q2 2024 to $-266M in Q1 2026, reflecting sustained accumulated losses.

• Operating cash flow turned positive in Q1 2025 and Q4 2025 but swung back to $-8M in Q1 2026, showing inconsistency.

⚠ Revenue dropped 38% sequentially to $29M in Q1 2026 — watch whether Q2 2026 recovers toward $38M–$47M range.

⚠ Equity deficit deepening to $-266M with no debt data disclosed raises questions about balance-sheet sustainability.

⚠ Operating cash flow remains volatile; sustained positive OCF is needed to validate the operating loss improvement trend.

AI Insight: STEM Ratio Trends

STEM's operating margin improved sharply from -84.5% in Q4 2024 to -17.7% in Q4 2025, but a Q1 2026 reversal to -49.0% raises durability concerns.

• Operating margin improved dramatically from -84.5% in Q4 2024 to -17.7% in Q4 2025, a 66.8pp recovery over four quarters.

• Q1 2026 operating margin deteriorated sharply to -49.0% from -17.7% in Q4 2025, a 31.3pp sequential reversal.

• TTM operating margin of -31.9% through Q1 2026 reflects persistent unprofitability; all available quarters show deeply negative operating margins.

⚠ Q1 2026 margin regression to -49.0% — monitor whether this is seasonal or signals structural cost/revenue deterioration.

⚠ NPM, ROE, ROA, ROIC, and D/E are all unavailable; inability to assess leverage or returns is a significant analytical blind spot.

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Available Research

13F Pro tracks comprehensive data for STEM, INC. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of STEM

VANGUARD CAPITAL MANAGEMENT LLC
$3.0M343,813 sh
MARSHALL WACE, LLP
$2.6M291,340 sh
TWO SIGMA INVESTMENTS, LP
$1.6M175,389 sh
SUSQUEHANNA INTERNATIONAL GROUP, LLP
$1.3M143,100 sh
BlackRock, Inc.
$1.2M134,712 sh
GEODE CAPITAL MANAGEMENT, LLC
$814.1K92,052 sh
Trexquant Investment LP
$810.4K91,676 sh
CSS LLC/IL
$618.8K70,000 sh
BRIDGEWAY CAPITAL MANAGEMENT, LLC
$615.3K69,600 sh
RENAISSANCE TECHNOLOGIES LLC
$517.8K58,575 sh

Fund	Value	Shares
VANGUARD CAPITAL MANAGEMENT LLC	$3.0M	343,813
MARSHALL WACE, LLP	$2.6M	291,340
TWO SIGMA INVESTMENTS, LP	$1.6M	175,389
SUSQUEHANNA INTERNATIONAL GROUP, LLP	$1.3M	143,100
BlackRock, Inc.	$1.2M	134,712
GEODE CAPITAL MANAGEMENT, LLC	$814.1K	92,052
Trexquant Investment LP	$810.4K	91,676
CSS LLC/IL	$618.8K	70,000
BRIDGEWAY CAPITAL MANAGEMENT, LLC	$615.3K	69,600
RENAISSANCE TECHNOLOGIES LLC	$517.8K	58,575

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Is STEM a good stock to buy?

13F Pro's AI-powered analysis of STEM, INC. (STEM) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for STEM are available on the STEM stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own STEM?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling STEM. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of STEM, INC.'s investment landscape.