INOGEN INC INGN
COM · Common Stock · CUSIP 45780L104 · ISIN US45780L1044
- SectorHealth care
- IndustryOrthopedic, Prosthetic & Surgical Appliances & Supplies
- HeadquartersBeverly, MA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($136.8k this quarter). Holder counts are more reliable. Shares outstanding: 23.1m as of 2023-04-28, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $12.50. Options: 4 managers hold calls ($177.2k notional), 3 hold puts ($92.4k).
Trends to Q1 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 145 |
| Q4 2022 | 135 |
| Q1 2023 | 151 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 78 | 49 |
| Q1 2023 | 92 | 48 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $0 | $270.0k | — |
| Q4 2022 | $0 | $49.0k | — |
| Q1 2023 | $177.2k | $92.4k | 0.52 |
Biggest buyers
| Camber Capital Management LP | Added | +670.0k |
| BROWN CAPITAL MANAGEMENT LLC | Added | +492.3k |
| MILLENNIUM MANAGEMENT LLC | Added | +308.4k |
| Balyasny Asset Management L.P. | New | +303.4k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Added | +173.4k |
| ExodusPoint Capital Management, LP | New | +140.9k |
| Invenomic Capital Management LP | Added | +140.1k |
| STATE STREET CORP | Added | +118.6k |
| WELLINGTON MANAGEMENT GROUP LLP | New | +114.6k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Added | +105.0k |
Biggest sellers
| BAMCO INC /NY/ | Sold out | -976.6k |
| VANGUARD GROUP INC | Reduced | -439.1k |
| MORGAN STANLEY | Reduced | -435.2k |
| FMR LLC | Reduced | -391.4k |
| AMERIPRISE FINANCIAL INC | Reduced | -336.7k |
| NORGES BANK | Reduced | -229.3k |
| Sio Capital Management, LLC | Reduced | -165.2k |
| Mitsubishi UFJ Asset Management (UK) Ltd. | Sold out | -40.0k |
| Redmond Asset Management, LLC | Sold out | -38.9k |
| BlackRock Inc. | Reduced | -32.3k |
Biggest calls
| PEAK6 Investments LLC | New | $147.3k11.8k shares |
| CITADEL ADVISORS LLC | New | $27.5k2.2k shares |
| GROUP ONE TRADING LLC | New | $2.5k200 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | New | $54.9k4.4k shares |
| PEAK6 Investments LLC | New | $37.4k3.0k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Yuwell (Hong Kong) Holdings Ltd 13G · passive investor new · filed 2025-02-24 | 9.9% |
| BlackRock, Inc. 13G · institution filed 2025-07-17 | 6.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27)
Insider purchases and sales in Q1 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 0 | — | — |
| Q1 2022 | 0 | — | 1 | $156.6k | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 2 | $76.6k | — |
| Q4 2022 | 0 | — | 0 | — | — |
| Q1 2023 | 0 | — | 0 | — | — |
None reported in Q1 2023.
Holders, Q1 2023
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.00% of their portfolio | 4.0m $49.6m | Reduced -32.3k |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.3m $28.1m | Reduced -439.1k |
| BROWN CAPITAL MANAGEMENT LLC 0.41% of their portfolio | 2.2m $27.6m | Added +492.3k |
| FRED ALGER MANAGEMENT, LLC 0.08% of their portfolio | 1.1m $14.0m | Reduced -16.5k |
| STATE STREET CORP 0.00% of their portfolio | 1.1m $13.4m | Added +118.6k |
| Camber Capital Management LP 0.42% of their portfolio | 975.0k $12.2m | Added +670.0k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 859.2k $10.7m | Added +50.0k |
| Invenomic Capital Management LP 0.37% of their portfolio | 520.4k $6.5m | Added +140.1k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio | 515.0k $6.4m | Reduced -1 |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 479.9k $6.0m | Added +308.4k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 450.6k $5.6m | Added +23.6k |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 421.4k $5.3m | Reduced -30.5k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.03% of their portfolio | 358.2k $4.5m | Added +105.0k |
| Arboretum Ventures, LLC 12.14% of their portfolio | 330.0k $4.1m | First filing |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 323.5k $4.0m | Added +17.0k |
| Balyasny Asset Management L.P. 0.01% of their portfolio | 303.4k $3.8m | New |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.10% of their portfolio | 286.9k $3.6m | Added +173.4k |
| Meros Investment Management, LP 2.00% of their portfolio | 282.2k $3.5m | Reduced -1.8k |
| TOCQUEVILLE ASSET MANAGEMENT L.P. 0.06% of their portfolio | 254.3k $3.2m | Added +10.7k |
| MORGAN STANLEY 0.00% of their portfolio | 242.3k $3.0m | Reduced -435.2k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 239.4k $3.0m | Reduced -6.7k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.02% of their portfolio | 218.8k $2.7m | Reduced -9.2k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 190.3k $2.4m | Added +486 |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 178.7k $2.2m | Added +42.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 171.3k $2.1m | Reduced -1.0k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 158.6k $2.0m | Added +83.9k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 153.7k $1.9m | Added +5.2k |
| Invesco Ltd. 0.00% of their portfolio | 149.5k $1.9m | Added +2.6k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 146.4k $1.8m | Reduced -3.0k |
| ExodusPoint Capital Management, LP 0.02% of their portfolio | 140.9k $1.8m | New |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 136.4k $1.7m | Added +104.1k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 126.9k $1.6m | Reduced -336.7k |
| Sio Capital Management, LLC 0.75% of their portfolio | 121.5k $1.5m | Reduced -165.2k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 114.6k $1.4m | New |
| NORGES BANK 0.00% of their portfolio | 109.9k $1.4m | Reduced -229.3k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 86.4k $1.1m | New |
| Walleye Capital LLC 0.02% of their portfolio | 79.3k $990.1k | New |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 78.4k $978.4k | Added +56.1k |
| Assenagon Asset Management S.A. 0.00% of their portfolio | 78.4k $978.2k | Added +7.8k |
| Engineers Gate Manager LP 0.04% of their portfolio | 78.3k $976.9k | Added +39.8k |
| MISSION WEALTH MANAGEMENT, LP 0.04% of their portfolio | 76.6k $956.4k | Unchanged |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 76.1k $950.0k | Added +3.7k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.03% of their portfolio | 72.4k $903.8k | New |
| Cubist Systematic Strategies, LLC 0.01% of their portfolio | 69.5k $866.9k | Added +34.2k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 64.4k $803.4k | Added +52.6k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 63.1k $788.0k | Added +29.8k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 61.0k $760.8k | Added +49.8k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 60.1k $750.6k | Reduced -24.0k |
| BLAIR WILLIAM & CO/IL 0.00% of their portfolio | 59.1k $738.1k | Reduced -25.8k |
| Factorial Partners, LLC 0.55% of their portfolio | 58.6k $731.3k | Added +13.0k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 57.8k $721.8k | Added +44.0k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 51.8k $645.9k | New |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 51.3k $639.7k | Reduced -903 |
| Legal & General Group Plc 0.00% of their portfolio | 50.5k $630.8k | Reduced -5.8k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 49.5k $617.6k | New |
| Swiss National Bank 0.00% of their portfolio | 47.0k $586.6k | Reduced -5.4k |
| HUSSMAN STRATEGIC ADVISORS, INC. 0.09% of their portfolio | 46.5k $580.3k | Unchanged |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.00% of their portfolio | 44.2k $551.7k | Reduced -1.2k |
| Public Sector Pension Investment Board 0.00% of their portfolio | 40.3k $503.1k | Reduced -1.6k |
| CM WEALTH ADVISORS LLC 0.10% of their portfolio | 39.8k $520.0k | New |
| New York Life Investment Management LLC 0.01% of their portfolio | 39.8k $496.3k | Added +22.3k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 39.8k $497.0k | Added +2.8k |
| Squarepoint Ops LLC 0.00% of their portfolio | 37.7k $470.4k | Added +3.8k |
| XTX Topco Ltd 0.10% of their portfolio | 37.6k $468.7k | Added +26.7k |
| TRUIST FINANCIAL CORP 0.00% of their portfolio | 31.9k $398.1k | Added +1.5k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 31.6k $395.0k | Unchanged |
| Quantbot Technologies LP 0.03% of their portfolio | 30.4k $379.8k | Added +22.5k |
| STRS OHIO 0.00% of their portfolio | 29.7k $369.0k | Added +19.8k |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 28.9k $361.0k | Reduced -962 |
| GLENMEDE TRUST CO NA 0.00% of their portfolio | 28.4k $354.2k | Added +8.6k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 27.8k $346.3k | Reduced -582 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 27.6k $345.0k | Reduced -406 |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 27.6k $344.4k | Added +5.2k |
| ALGERT GLOBAL LLC 0.02% of their portfolio | 27.4k $342.1k | Added +15.7k |
| Ergoteles LLC 0.01% of their portfolio | 24.3k $303.5k | New |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.00% of their portfolio | 24.3k $302.9k | Reduced -262 |
| Thrivent Financial for Lutherans 0.00% of their portfolio | 22.7k $283.0k | Reduced -796 |
| Tidal Investments LLC 0.00% of their portfolio | 22.6k $282.0k | New |
| WORLD EQUITY GROUP, INC. 0.08% of their portfolio | 21.9k $522.9k | New |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 21.2k $265.1k | New |
| Ensign Peak Advisors, Inc 0.00% of their portfolio | 20.9k $261.0k | Added +4.5k |
| Verition Fund Management LLC 0.00% of their portfolio | 20.7k $258.0k | New |
| Callan Capital, LLC 0.03% of their portfolio | 20.6k $257.2k | New |
| TEXAS PERMANENT SCHOOL FUND CORP 0.00% of their portfolio | 20.6k $256.5k | Added +5.2k |
| Versor Investments LP 0.03% of their portfolio | 19.7k $245.9k | Added +1.5k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 16.5k $206.3k | Added +3.9k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 16.4k $204.4k | Added +6.7k |
| OPPENHEIMER ASSET MANAGEMENT INC. 0.00% of their portfolio | 16.0k $199.1k | Added +247 |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 15.9k $198.9k | Added +2.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 15.7k $197.0k | Added +342 |
| State of Alaska, Department of Revenue 0.00% of their portfolio | 15.7k $195.0k | Reduced -264 |
| DAFNA Capital Management LLC 0.06% of their portfolio | 15.0k $187.2k | Unchanged |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio | 14.8k $185.0k | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 14.8k $184.7k | Unchanged |
| BARCLAYS PLC 0.00% of their portfolio | 13.7k $170.9k | Added +2.5k |
| Petrus Trust Company, LTA 0.02% of their portfolio | 13.4k $166.9k | New |
| YOUSIF CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 13.1k $163.1k | Reduced -1.6k |
| SG Americas Securities, LLC 0.00% of their portfolio | 12.9k $160.0k | New |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 12.5k $156.6k | Added +56 |
| MetLife Investment Management, LLC 0.00% of their portfolio | 12.5k $155.6k | Unchanged |