Inogen, Inc. (INGN) Ownership
INGN ownership summary
as of October 18, 2026- Institutions
- 80.2% of shares outstanding
- Insiders
- 12.95% of shares outstanding
- Shares outstanding
- 26.5M
- Float
- 23.1M shares available to trade
- Short interest
- 5.66% 1.5M shares short
- Days to cover
- 4.32 short interest up 7.9% vs prior month
- Institutions 80.15%
- Insiders 12.95%
- Other investors 6.90%
INGN top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 6.59% | 1.7M | $10.9M | +101,902 (+6.2%) | June 30, 2026 |
| 2 | Acadian Asset Management LLC | 4.13% | 1.1M | $6.9M | +13,396 (+1.2%) | June 30, 2026 |
| 3 | Armistice Capital, LLC | 4.13% | 1.1M | $6.8M | −104,000 (−8.7%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 3.91% | 1.0M | $6.5M | +1,611 (+0.2%) | June 30, 2026 |
| 5 | Ameriprise Financial Inc | 3.70% | 983K | $6.1M | +123,485 (+14.4%) | June 30, 2026 |
| 6 | AQR Capital Management LLC | 3.53% | 937K | $5.9M | +510,216 (+119.5%) | June 30, 2026 |
| 7 | Dafna Capital Management LLC | 3.18% | 845K | $5.3M | — | June 30, 2026 |
| 8 | Arrowstreet Capital Limited Partnership | 2.80% | 743K | $4.6M | +157,093 (+26.8%) | June 30, 2026 |
| 9 | Morgan Stanley - Brokerage Accounts | 2.44% | 646K | $4.0M | +105,111 (+19.4%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 2.42% | 642K | $4.0M | +27,992 (+4.6%) | June 30, 2026 |
| 11 | State Street Corp | 2.23% | 592K | $3.7M | +18,739 (+3.3%) | June 30, 2026 |
| 12 | Federated Hermes Inc | 2.02% | 535K | $3.3M | +20,280 (+3.9%) | June 30, 2026 |
| 13 | Dimensional Fund Advisors, Inc. | 1.84% | 489K | $3.1M | −21,177 (−4.2%) | June 30, 2026 |
| 14 | JPMorgan Chase & Co | 1.81% | 480K | $3.0M | +52,652 (+12.3%) | June 30, 2026 |
| 15 | Renaissance Technologies Corp | 1.80% | 477K | $3.0M | −2,100 (−0.4%) | June 30, 2026 |
| 16 | The Goldman Sachs Group Inc | 1.64% | 436K | $2.7M | −144,515 (−24.9%) | June 30, 2026 |
| 17 | CSM Advisors, LLC | 1.56% | 413K | $2.6M | −455 (−0.1%) | June 30, 2026 |
| 18 | ExodusPoint Capital Management, LP | 1.48% | 394K | $2.5M | +63,362 (+19.2%) | June 30, 2026 |
| 19 | Jacobs Levy Equity Management, Inc. | 1.47% | 389K | $2.4M | +91,819 (+30.9%) | June 30, 2026 |
| 20 | Prudential Financial Inc | 1.24% | 329K | $2.1M | −40,100 (−10.9%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 1.3M shares and 6 cut 312K.
INGN top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.79% | 740K | $4.6M | — | August 31, 2026 |
| 2 | Columbia Small Cap Value Discv A | 2.44% | 648K | $4.1M | +4,100 (+0.6%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.44% | 647K | $4.0M | −7,424 (−1.1%) | September 30, 2026 |
| 4 | Federated Hermes MDT Small Cap Core IS | 1.40% | 371K | $2.3M | — | June 30, 2026 |
| 5 | Fidelity Small Cap Index | 1.01% | 267K | $1.7M | −329 (−0.1%) | July 31, 2026 |
| 6 | JPMorgan Small Cap Value I | 0.83% | 221K | $1.4M | — | August 31, 2026 |
| 7 | iShares Russell 2000 Value ETF | 0.83% | 220K | $1.4M | +334 (+0.2%) | September 30, 2026 |
| 8 | Bridgeway Ultra-Small Company | 0.59% | 156K | $972,194 | +30,000 (+23.9%) | June 30, 2026 |
| 9 | BSF Systematic US Eq Abs Ret A2 USD | 0.57% | 151K | $945,319 | +54,566 (+56.4%) | December 31, 2025 |
| 10 | Vanguard Russell 2000 ETF | 0.54% | 143K | $895,225 | +1,290 (+0.9%) | September 30, 2026 |
| 11 | DFA US Small Cap I | 0.45% | 121K | $754,000 | — | August 31, 2026 |
| 12 | CREF Total Global Stock Account R3 | 0.44% | 117K | $728,556 | −16,665 (−12.5%) | August 31, 2026 |
| 13 | Columbia VP Small Cap Value Discovery 1 | 0.43% | 114K | $710,812 | −700 (−0.6%) | August 31, 2026 |
| 14 | PV BUYBACK USA Classe B USD | 0.42% | 112K | $700,000 | — | June 30, 2026 |
| 15 | Federated Hermes MDT Small Cap Core ETF | 0.38% | 101K | $631,506 | −847 (−0.8%) | September 30, 2026 |
| 16 | JPMorgan US Small Company L | 0.37% | 97K | $605,838 | +2,507 (+2.7%) | August 31, 2026 |
| 17 | Fidelity Extended Market Index | 0.36% | 96K | $601,550 | −517 (−0.5%) | August 31, 2026 |
| 18 | Vanguard Strategic Small-Cap Equity Inv | 0.33% | 89K | $553,575 | — | June 30, 2026 |
| 19 | DFA US Micro Cap I | 0.32% | 85K | $528,569 | — | August 31, 2026 |
| 20 | iShares Micro-Cap ETF | 0.29% | 77K | $483,119 | −533 (−0.7%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
INGN insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-05-10 | Jason Somer | Sell | $8.56 | 10,000 | $85,600 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
INGN shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns INGN
Institutional investors own 80.2% of Inogen's shares and insiders 12.95%. The largest holder is BlackRock Inc with 6.59% of the shares (1.7M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 6 reduced their stake in the latest filings. Short interest is 5.66% of the float, or 4.32 days of average trading volume. The share count rose 33.3% since 2014.
Related: INGN analyst forecast, INGN key metrics. See the INGN stock overview for the latest quote and news.
INGN ownership FAQ
Who owns the most Inogen stock?
The largest shareholders of Inogen are BlackRock Inc (6.59%), Acadian Asset Management LLC (4.13%), Armistice Capital, LLC (4.13%), Vanguard Capital Management, LLC (3.91%), Ameriprise Financial Inc (3.70%).
What percentage of Inogen is owned by institutions?
Institutions hold 80.2% of Inogen's shares outstanding; insiders hold 12.95%.
Which funds own Inogen?
The largest fund holders of Inogen are Vanguard MStar Total Stk Mkt Idx Invest (2.79%), Columbia Small Cap Value Discv A (2.44%), iShares Russell 2000 ETF (2.44%), Federated Hermes MDT Small Cap Core IS (1.40%), Fidelity Small Cap Index (1.01%).
What is Inogen's short interest?
1.5M shares of Inogen were sold short, 5.66% of the float; at the average daily volume it would take 4.32 days to cover.
Are insiders buying or selling Inogen?
Of the latest 1 reported insider transactions in Inogen (since May 10, 2024), 0 were purchases and 1 were sales.
How many shares of Inogen are outstanding?
Inogen has 26.5M shares outstanding, of which 23.1M are in the public float.