What is the 13F Pro Quality Score for SI?

13F Pro ranks SHOULDER INNOVATIONS, INC. (SI) 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 SI's current score at https://13fpro.ai/research/SI (free sign-up required for the full ranking).

Which hedge funds own the most SI stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of SI include FMR, BlackRock,, SECTORAL ASSET MANAGEMENT. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/SI as soon as new 13F filings post.

Where does 13F Pro source SI data?

All SHOULDER INNOVATIONS, INC. fundamentals and ownership data come directly from SEC EDGAR. SHOULDER INNOVATIONS, INC. files with the SEC under CIK 1699350. 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 SI in?

SHOULDER INNOVATIONS, INC. (SI) is classified in the Healthcare sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/healthcare.

How often is SI research updated on 13F Pro?

SI'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.

SHOULDER INNOVATIONS, INC.(SI)Stock Analysis

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13F Pro Quality Score

46.5/100

Rank #1,652 of 2,879 stocks

View Healthcare peers →

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

Revenue Growth

97.5/100

Profitability

30.0/100

Balance Sheet

30.0/100

Earnings Quality

30.0/100

Free Cash Flow

30.0/100

Institutional Flow

80.4/100

Revenue Scale

30.0/100

Dilution Risk

40.5/100

SI Stock Analysis & AI Quality Score

AI stock analysis and institutional research for SHOULDER INNOVATIONS, INC. (SI), a Healthcare sector company. 13F Pro's AI-powered ranking engine scores SI at 46.5/100 on a 32-signal composite quality model, placing it at rank #1,652 of 2,879 stocks — the bottom half of the AI-ranked universe. SI scores in the top quartile across revenue growth (97.5), institutional flow (80.4). Areas of concern include profitability (30.0) and balance sheet strength (30.0), which score below median versus the broader universe. Shareholder dilution risk is elevated at 40.5/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), SHOULDER INNOVATIONS, INC. reports quarterly revenue of $16.7M, net income of $-8.4M, an operating margin of -53.7%. Top institutional holders of SI by reported 13-F value include FMR, BlackRock,, SECTORAL ASSET MANAGEMENT, based on the most recent SEC filings. SI trades on the NYSE exchange and files with the SEC under CIK 1699350. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate SI 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 SHOULDER INNOVATIONS, INC. directly from SEC EDGAR.

Revenue

Q1 2026

$16.7M

Net Income

Q1 2026

$-8.4M

Free Cash Flow

Q1 2026

$-15.1M

Operating Margin

Q1 2026

-53.7%

D/E Ratio

Q1 2026

0.11

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

$47.3MFY 2025

FY23 —FY25 $47.3M

Net Income

$-40.4MFY 2025

FY23 —FY25 $-40.4M

Operating Income

$-26.3MFY 2025

FY23 —FY25 $-26.3M

EPS (Diluted)

$-4.65FY 2025

FY23 —FY25 $-4.65

Total Assets

$169.9MFY 2025

FY23 —FY25 $169.9M

Total Debt

$14.9MFY 2025

FY23 —FY25 $14.9M

Op. Cash Flow

$-28.6MFY 2025

FY23 —FY25 $-28.6M

Metric	FY 2025	FY 2023
Revenue	$47.3M	—
Net Income	$-40.4M	—
Operating Income	$-26.3M	—
EPS (Diluted)	$-4.65	—
Total Assets	$169.9M	—
Total Debt	$14.9M	—
Operating Cash Flow	$-28.6M	—

AI Insight: SI Financial Trends

SI is burning cash and posting losses across all quarters, though revenue is accelerating toward $17M in Q1 2026 amid stabilizing debt.

• Revenue grew from $12M (Q3 2025) to $17M (Q1 2026), a 42% increase over two quarters.

• Operating cash flow deteriorated from −$9M (Q3/Q4 2025) to −$12M (Q1 2026), worst on record.

• Net income loss held steady at −$8M to −$9M across Q3 2025–Q4 2025, then widened in Q1 2026.

⚠ Equity recovered from −$78M (Q2 2025) to $133M (Q1 2026), likely via financing; debt flat at $15M.

⚠ Operating cash outflow accelerated to −$12M in Q1 2026 despite revenue gains; path to profitability unclear.

AI Insight: SI Ratio Trends

Operating losses narrowing but profitability remains deeply negative; leverage stable at modest levels.

• Operating margin improved from -65.0% in Q3 2025 to -53.7% in Q1 2026, indicating loss reduction trajectory.

• Net profit margin similarly recovered from -74.2% to -50.1% over same period, showing progress on bottom line.

• Debt-to-equity ratio stable at 0.10–0.11 across all periods, indicating no leverage deterioration.

⚠ ROIC deteriorated to -24.3% in Q1 2026 from -18.8% in Q3 2025, despite operating margin gains.

⚠ Company remains deeply unprofitable across all return metrics; OpMargin still -53.7% in latest quarter.

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Available Research

13F Pro tracks comprehensive data for SHOULDER INNOVATIONS, 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 SI

FMR LLC
$55.0M3,784,552 sh
BlackRock, Inc.
$8.1M556,052 sh
SECTORAL ASSET MANAGEMENT INC
$6.3M430,407 sh
VANGUARD CAPITAL MANAGEMENT LLC
$6.0M413,480 sh
TimesSquare Capital Management, LLC
$4.7M322,764 sh
Roubaix Capital, LLC
$3.7M257,121 sh
Alyeska Investment Group, L.P.
$3.4M232,984 sh
Sio Capital Management, LLC
$3.1M210,641 sh
MILLENNIUM MANAGEMENT LLC
$2.8M193,942 sh
GEODE CAPITAL MANAGEMENT, LLC
$2.7M183,679 sh

Fund	Value	Shares
FMR LLC	$55.0M	3,784,552
BlackRock, Inc.	$8.1M	556,052
SECTORAL ASSET MANAGEMENT INC	$6.3M	430,407
VANGUARD CAPITAL MANAGEMENT LLC	$6.0M	413,480
TimesSquare Capital Management, LLC	$4.7M	322,764
Roubaix Capital, LLC	$3.7M	257,121
Alyeska Investment Group, L.P.	$3.4M	232,984
Sio Capital Management, LLC	$3.1M	210,641
MILLENNIUM MANAGEMENT LLC	$2.8M	193,942
GEODE CAPITAL MANAGEMENT, LLC	$2.7M	183,679

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Is SI a good stock to buy?

13F Pro's AI-powered analysis of SHOULDER INNOVATIONS, INC. (SI) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Healthcare sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for SI are available on the SI 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 SI?

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 SI. 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 SHOULDER INNOVATIONS, INC.'s investment landscape.