Inogen, Inc.
Inogen, Inc. (INGN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · INGN · as of Sep 30, 2025
Ownership Breakdown
133
Institutional Holders
▲ 6 vs Q2
$150.90M
Total Inst. Value
▲ $12.45M vs Q2
27.07M
Shares Outstanding
freeFloat 88.14%
18.47M
13F Shares Held
▼ 1.22M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
INGN largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. orthopedic, prosthetic & surgical appliances & supplies | 1.69M | 6.27% | 6.27% | $13.81B | Nov 12, 2025 | ▼ 29.0K |
VANGUARD GROUP INC orthopedic, prosthetic & surgical appliances & supplies | 1.43M | 5.31% | 5.31% | $11.69B | Nov 7, 2025 | ▼ 223.2K |
ACADIAN ASSET MANAGEMENT LLC orthopedic, prosthetic & surgical appliances & supplies | 1.07M | 3.96% | 3.96% | $8.71B | Nov 13, 2025 | ▲ 49.8K |
ARMISTICE CAPITAL, LLC orthopedic, prosthetic & surgical appliances & supplies | 864.0K | 3.20% | 3.20% | $7.06B | Nov 17, 2025 | ▲ 200.0K |
AMERIPRISE FINANCIAL INC orthopedic, prosthetic & surgical appliances & supplies | 852.7K | 3.16% | 3.16% | $6.97B | Nov 14, 2025 | ▼ 28.4K |
DIMENSIONAL FUND ADVISORS LP orthopedic, prosthetic & surgical appliances & supplies | 832.5K | 3.09% | 3.09% | $6.80B | Nov 12, 2025 | ▲ 346 |
GEODE CAPITAL MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 609.3K | 2.26% | 2.26% | $4.98B | Nov 12, 2025 | ▼ 6.0K |
MORGAN STANLEY orthopedic, prosthetic & surgical appliances & supplies | 605.7K | 2.25% | 2.25% | $4.95B | May 27, 2026 | ▼ 72.8K |
DAFNA CAPITAL MANAGEMENT LLC orthopedic, prosthetic & surgical appliances & supplies | 605.6K | 2.25% | 2.25% | $4.95B | Nov 14, 2025 | — held |
ROYCE & ASSOCIATES LP orthopedic, prosthetic & surgical appliances & supplies | 601.0K | 2.23% | 2.23% | $4.91B | Nov 12, 2025 | ▲ 79.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
25
Increased
+1.37M shares3
New Positions
first time holders19
Decreased
−2.07M shares0
Sold Out
fully exitedNet shares change (top 50)
696.6K
+1.37M / −2.07M
Net new holders
+9
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
INGN insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
27
Buy transactions
27
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Yi Boyer Jennifer M EVP Entrprs Enblmnt, Ch HR Off | May 29, 2026 | Sale | 10,770 | $6.53 | $70.3K | 16.0K | Form 4 ↗ |
Wright Mary E VP, Chief Accounting Officer | Mar 1, 2026 | Tax Withhold | 1,155 | $6.10 | $7.0K | 19.1K | Form 4 ↗ |
Wright Mary E VP, Chief Accounting Officer | Mar 1, 2026 | Tax Withhold | 1,058 | $6.10 | $6.5K | 17.3K | Form 4 ↗ |
Wright Mary E VP, Chief Accounting Officer | Mar 1, 2026 | Award | 1,351 | — | — | 16.1K | Form 4 ↗ |
Wright Mary E VP, Chief Accounting Officer | Mar 1, 2026 | Tax Withhold | 520 | $6.10 | $3.2K | 15.6K | Form 4 ↗ |
Wright Mary E VP, Chief Accounting Officer | Mar 1, 2026 | Tax Withhold | 675 | $6.10 | $4.1K | 14.8K | Form 4 ↗ |
Wright Mary E VP, Chief Accounting Officer | Mar 1, 2026 | Award | 1,500 | $6.10 | $9.2K | 13.7K | Form 4 ↗ |
Yi Boyer Jennifer M EVP Entrprs Enblmnt, Ch HR Off | Mar 1, 2026 | Tax Withhold | 6,952 | $6.10 | $42.4K | 26.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Inogen, Inc. (INGN) is primarily owned by institutional investors, who hold approximately 68.2% of total shares outstanding. Company insiders own approximately 11.86%, while retail and public investors account for the remaining 19.92%.
The largest institutional shareholder of Inogen, Inc. is BLACKROCK, INC., holding approximately 1.69 million shares — equal to 6.27% of outstanding shares — as of September 30, 2025.
A total of 133 institutional investors currently hold INGN stock, with a combined institutional value of approximately $150,902,329 as of the most recent 13F filing period.
Frequently asked questions
INGN ownershipInogen, Inc. (INGN) is primarily owned by institutional investors, who hold approximately 68.2% of shares. The largest shareholder is BLACKROCK, INC. with a 6.27% stake. Company insiders hold 11.86%. Data sourced from SEC Form 13F as of September 30, 2025.