Vault-13

INOGEN INC INGN

COM · Common Stock · CUSIP 45780L104 · ISIN US45780L1044

133 institutional holders +2 vs Q3 2025
18,882,62518.9m shares reported held*
69.6% of all shares outstanding*
$126.9mreported value*
16 new 35 added 58 reduced 12 sold out net bought ≈ $4.7m (+692.9k shares)

* 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 ($92.5k this quarter). Holder counts are more reliable. Shares outstanding: 27.1m as of 2025-10-31, 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 ≈ $6.72. Options: 2 managers hold calls ($71.2k notional), 1 hold puts ($672).

Trends to Q4 2025

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 145Q4 22: 135Q1 23: 151Q2 23: 140Q3 23: 129Q4 23: 129Q1 24: 130Q2 24: 131Q3 24: 134Q4 24: 137Q1 25: 129Q2 25: 128Q3 25: 131Q4 25: 133133Q3 22Q2 23Q1 24Q4 24Q4 25
Numbers
QuarterHolders
Q3 2022145
Q4 2022135
Q1 2023151
Q2 2023140
Q3 2023129
Q4 2023129
Q1 2024130
Q2 2024131
Q3 2024134
Q4 2024137
Q1 2025129
Q2 2025128
Q3 2025131
Q4 2025133

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q1 24: 62 bought or addedQ1 24: 70 cut or sold outQ2 24: 55 bought or addedQ2 24: 73 cut or sold outQ2 24Q3 24: 61 bought or addedQ3 24: 58 cut or sold outQ4 24: 69 bought or addedQ4 24: 51 cut or sold outQ4 24Q1 25: 69 bought or addedQ1 25: 55 cut or sold outQ2 25: 62 bought or addedQ2 25: 59 cut or sold outQ2 25Q3 25: 68 bought or addedQ3 25: 62 cut or sold outQ4 25: 51 bought or addedQ4 25: 70 cut or sold outQ4 25
Numbers
QuarterBought or addedCut or sold out
Q1 20246270
Q2 20245573
Q3 20246158
Q4 20246951
Q1 20256955
Q2 20256259
Q3 20256862
Q4 20255170

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$50k$100k$150k$200kQ1 25 calls: $144.5kQ1 25 puts: $9.3kQ1 25P/C 0.06Q2 25 calls: $128.4kQ2 25 puts: $0Q2 25P/C 0.00Q3 25 calls: $193.6kQ3 25 puts: $817Q3 25P/C 0.00Q4 25 calls: $71.2kQ4 25 puts: $672Q4 25P/C 0.01
Numbers
QuarterCallsPutsP/C
Q1 2025$144.5k$9.3k0.06
Q2 2025$128.4k$00.00
Q3 2025$193.6k$8170.00
Q4 2025$71.2k$6720.01

Biggest buyers

ARMISTICE CAPITAL, LLC Added +400,000+400.0k
DAFNA Capital Management LLC Added +221,446+221.4k
Point72 Asset Management, L.P. New +201,949+201.9k
GOLDMAN SACHS GROUP INC Added +160,960+161.0k
HSBC HOLDINGS PLC Added +86,480+86.5k
MOORE CAPITAL MANAGEMENT, LP Added +84,696+84.7k
Qube Research & Technologies Ltd Added +84,646+84.6k
CITADEL ADVISORS LLC Added +67,829+67.8k
Trexquant Investment LP Added +58,764+58.8k
FEDERATED HERMES, INC. Added +58,514+58.5k

Biggest sellers

JPMORGAN CHASE & CO Reduced -293,657-293.7k
DIMENSIONAL FUND ADVISORS LP Reduced -121,154-121.2k
JANE STREET GROUP, LLC Reduced -102,891-102.9k
PRUDENTIAL FINANCIAL INC Reduced -95,541-95.5k
GSA CAPITAL PARTNERS LLP Reduced -85,081-85.1k
Connor, Clark & Lunn Investment Management Ltd. Reduced -58,180-58.2k
ROYCE & ASSOCIATES LP Reduced -51,498-51.5k
MORGAN STANLEY Reduced -47,303-47.3k
Inspire Advisors, LLC Sold out -34,595-34.6k
HRT FINANCIAL LP Sold out -25,612-25.6k

Biggest calls

SIMPLEX TRADING, LLC Added $67.9k10.1k shares
GROUP ONE TRADING LLC Reduced $3.4k500 shares

Biggest puts

SIMPLEX TRADING, LLC New $672100 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.

HolderStakeChangeShares Last filed
Yuwell (Hong Kong) Holdings Ltd 13G · passive investor new · filed 2025-02-24 9.9% new 2.6m≈ $16.9m 2025-02-24
BlackRock, Inc. 13G · institution filed 2025-07-17 6.2% 1.7m≈ $10.7m 2025-07-17

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales in Q4 2025

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)

BuyingSelling
202Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 1 sellingQ2 24Q3 24: 0 buyingQ3 24: 0 sellingQ4 24: 0 buyingQ4 24: 0 sellingQ4 24Q1 25: 2 buyingQ1 25: 0 sellingQ2 25: 0 buyingQ2 25: 0 sellingQ2 25Q3 25: 0 buyingQ3 25: 0 sellingQ4 25: 0 buyingQ4 25: 0 sellingQ4 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q1 20240—0——
Q2 20240—1$85.6k—
Q3 20240—0——
Q4 20240—0——
Q1 20252$125.2k0——
Q2 20250—0——
Q3 20250—0——
Q4 20250—0——

None reported in Q4 2025.

Holders, Q4 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,716,8381.7m $11.5m $11.5m 0.00% Added +26.9k +26,914
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,421,6361.4m $9.6m $9.6m 0.00% Reduced -9.0k -8,989
3 ARMISTICE CAPITAL, LLC 0.21% of their portfolio NEW YORK, NY 1,264,0001.3m $8.5m $8.5m 0.21% Added +400.0k +400,000
4 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 1,083,4831.1m $7.3m $7.3m 0.01% Added +16.4k +16,400
5 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 860,549860.5k $5.8m $5.8m 0.00% Added +7.8k +7,822
6 DAFNA Capital Management LLC 1.29% of their portfolio LOS ANGELES, CA 827,071827.1k $5.6m $5.6m 1.29% Added +221.4k +221,446
7 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 711,380711.4k $4.8m $4.8m 0.00% Reduced -121.2k -121,154
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 599,413599.4k $4.0m $4.0m 0.00% Reduced -9.9k -9,876
9 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 589,273589.3k $4.0m $4.0m 0.00% Added +161.0k +160,960
10 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 583,000583.0k $3.9m $3.9m 0.01% Reduced -8.4k -8,400
11 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 558,368558.4k $3.8m $3.8m 0.00% Reduced -47.3k -47,303
12 ROYCE & ASSOCIATES LP 0.04% of their portfolio New York, NY 549,470549.5k $3.7m $3.7m 0.04% Reduced -51.5k -51,498
13 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 511,809511.8k $3.4m $3.4m 0.00% Reduced -3.8k -3,824
14 FEDERATED HERMES, INC. 0.01% of their portfolio PITTSBURGH, PA 485,378485.4k $3.3m $3.3m 0.01% Added +58.5k +58,514
15 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 469,301469.3k $3.2m $3.2m 0.00% Reduced -293.7k -293,657
16 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 458,100458.1k $3.1m $3.1m 0.00% Reduced -95.5k -95,541
17 CSM Advisors, LLC 0.08% of their portfolio WARRENDALE, PA 416,000416.0k $2.8m $2.8m 0.08% Added +51.9k +51,900
18 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 413,459413.5k $2.8m $2.8m 0.00% Reduced -23.0k -23,010
19 JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio FLORHAM PARK, NJ 284,992285.0k $1.9m $1.9m 0.01% Reduced -10.7k -10,690
20 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 262,930262.9k $1.8m $1.8m 0.00% Added +84.6k +84,646
21 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 242,287242.3k $1.6m $1.6m 0.00% Added +67.8k +67,829
22 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 224,627224.6k $1.5m $1.5m 0.00% Reduced -17.4k -17,373
23 PERKINS CAPITAL MANAGEMENT INC 1.16% of their portfolio WAYZATA, MN 217,650217.7k $1.5m $1.5m 1.16% Added +14.8k +14,850
24 Stokes Family Office, LLC 0.13% of their portfolio NEW ORLEANS, LA 210,000210.0k $1.4m $1.4m 0.13% Reduced -12.6k -12,622
25 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 201,949201.9k $1.4m $1.4m 0.00% New
26 MOORE CAPITAL MANAGEMENT, LP 0.03% of their portfolio NEW YORK, NY 200,005200.0k $1.3m $1.3m 0.03% Added +84.7k +84,696
27 Monaco Asset Management SAM 0.40% of their portfolio Monaco, O9 198,242198.2k $1.3m $1.3m 0.40% Added +15.0k +15,000
28 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 192,849192.8k $1.3m $1.3m 0.00% Unchanged
29 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 172,640172.6k $1.2m $1.2m 0.00% Reduced -17.8k -17,760
30 TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio STAMFORD, CT 151,602151.6k $1.0m $1.0m 0.01% Added +14.0k +13,952
31 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 129,864129.9k $872.7k $872.7k 0.00% Reduced -58.2k -58,180
32 THOMPSON SIEGEL & WALMSLEY LLC 0.01% of their portfolio RICHMOND, VA 128,976129.0k $867.0k $867.0k 0.01% Reduced -2.0k -1,954
33 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 123,714123.7k $831.4k $831.4k 0.00% Reduced -3.0k -2,985
34 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 120,964121.0k $811.1k $811.1k 0.00% Added +86.5k +86,480
35 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 117,306117.3k $788.3k $788.3k 0.00% Added +31.9k +31,863
36 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.02% of their portfolio HOUSTON, TX 115,051115.1k $773.1k $773.1k 0.02% Reduced -18.0k -18,000
37 TOCQUEVILLE ASSET MANAGEMENT L.P. 0.01% of their portfolio New York, NY 93,35093.3k $627.3k $627.3k 0.01% Added +5.5k +5,500
38 Divisadero Street Capital Management, LP 0.03% of their portfolio MIAMI, FL 88,13688.1k $592.3k $592.3k 0.03% Unchanged
39 GSA CAPITAL PARTNERS LLP 0.05% of their portfolio LONDON, X0 85,86885.9k $577.0k $577.0k 0.05% Reduced -85.1k -85,081
40 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 81,98082.0k $550.9k $550.9k 0.00% Added +3.5k +3,515
41 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 77,58677.6k $521.4k $521.4k 0.00% Added +130 +130
42 UBS Group AG 0.00% of their portfolio ZURICH, V8 77,28277.3k $519.3k $519.3k 0.00% Added +33.2k +33,229
43 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 75,88875.9k $510.0k $510.0k 0.00% Added +18.6k +18,650
44 Trexquant Investment LP 0.00% of their portfolio STAMFORD, CT 74,12974.1k $498.1k $498.1k 0.00% Added +58.8k +58,764
45 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 69,89069.9k $469.7k $469.7k 0.00% Reduced -15.5k -15,546
46 Campbell & CO Investment Adviser LLC 0.02% of their portfolio BALTIMORE, MD 68,80868.8k $462.4k $462.4k 0.02% Added +1.1k +1,119
47 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 65,75065.8k $441.8k $441.8k 0.00% Reduced -102.9k -102,891
48 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 61,46361.5k $413.0k $413.0k 0.00% Unchanged
49 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 60,80060.8k $408.6k $408.6k 0.00% Added +11.1k +11,100
50 PharVision Advisers, LLC 0.19% of their portfolio BOCA RATON, FL 55,24055.2k $371.2k $371.2k 0.19% New
51 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 53,36353.4k $358.6k $358.6k 0.00% Reduced -3.8k -3,841
52 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 51,12051.1k $343.5k $343.5k 0.00% Unchanged
53 Quantinno Capital Management LP 0.00% of their portfolio NEW YORK, NY 51,08051.1k $343.3k $343.3k 0.00% Added +18.3k +18,309
54 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 48,19548.2k $323.9k $323.9k 0.00% Added +15.7k +15,715
55 Assenagon Asset Management S.A. 0.00% of their portfolio SENNINGERBERG, N4 44,18544.2k $296.9k $296.9k 0.00% Reduced -1.3k -1,270
56 MISSION WEALTH MANAGEMENT, LP 0.01% of their portfolio Santa Barbara, CA 40,79540.8k $274.1k $274.1k 0.01% Reduced -300 -300
57 Engineers Gate Manager LP 0.00% of their portfolio NEW YORK, NY 38,62538.6k $259.6k $259.6k 0.00% Reduced -4.0k -3,954
58 AlphaQuest LLC 0.01% of their portfolio New York, NY 37,23737.2k $250.2k $250.2k 0.01% Added +5.1k +5,114
59 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 36,21936.2k $243.4k $243.4k 0.00% Reduced -17.7k -17,683
60 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 32,71332.7k $219.8k $219.8k 0.00% Reduced -4.3k -4,280
61 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 29,80329.8k $200.3k $200.3k 0.00% New
62 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 29,02829.0k $196.0k $196.0k 0.00% Reduced -800 -800
63 R Squared Ltd 0.09% of their portfolio HONG KONG, K3 28,75128.8k $193.2k $193.2k 0.09% New
64 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 28,03628.0k $188.4k $188.4k 0.00% Unchanged
65 Tidal Investments LLC 0.00% of their portfolio Milwaukee, WI 27,04527.0k $181.7k $181.7k 0.00% Added +1.2k +1,222
66 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 26,66626.7k $179.2k $179.2k 0.00% Added +8.4k +8,431
67 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 24,95625.0k $167.7k $167.7k 0.00% New
68 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 24,69624.7k $166.0k $166.0k 0.00% Reduced -6.2k -6,222
69 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 24,23124.2k $162.8k $162.8k 0.00% Reduced -9.4k -9,431
70 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 22,19322.2k $149.1k $149.1k 0.00% Reduced -5.9k -5,894
71 OCCUDO QUANTITATIVE STRATEGIES LP 0.01% of their portfolio FORT LAUDERDALE, FL 21,63021.6k $145.4k $145.4k 0.01% New
72 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 21,41321.4k $143.9k $143.9k 0.00% Reduced -8.4k -8,380
73 Clark Asset Management, LLC 0.01% of their portfolio STRATHAM, NH 21,38121.4k $143.7k $143.7k 0.01% New
74 AlphaCore Capital LLC 0.00% of their portfolio LA JOLLA, CA 20,63420.6k $138.7k $138.7k 0.00% Added +23 +23
75 ALGERT GLOBAL LLC 0.00% of their portfolio SAN FRANCISCO, CA 19,61019.6k $131.8k $131.8k 0.00% Reduced -1.5k -1,490
76 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 19,54319.5k $131.3k $131.3k 0.00% Added +2.5k +2,487
77 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 17,10717.1k $115.0k $115.0k 0.00% New
78 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 16,68216.7k $112.1k $112.1k 0.00% Reduced -19.6k -19,629
79 BOOTHBAY FUND MANAGEMENT, LLC 0.00% of their portfolio NEW YORK, NY 12,80012.8k $86.0k $86.0k 0.00% New
80 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 12,69912.7k $85.3k $85.3k 0.00% Added +5.3k +5,325
81 PRELUDE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 12,65812.7k $85.1k $85.1k 0.01% Added +2.6k +2,600
82 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.00% of their portfolio BALA CYNWYD, PA 12,48312.5k $83.9k $83.9k 0.00% Reduced -11.7k -11,687
83 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 11,69811.7k $78.6k $78.6k 0.00% Reduced -610 -610
84 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 11,03911.0k $74.2k $74.2k 0.00% Reduced -11 -11
85 SHERBROOKE PARK ADVISERS LLC 0.19% of their portfolio WHITE PLAINS, NY 10,95211.0k $73.6k $73.6k 0.19% New
86 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 10,69010.7k $71.8k $71.8k 0.00% Unchanged
87 Brevan Howard Capital Management LP 0.00% of their portfolio ST. HELIER, Y9 10,46010.5k $70.3k $70.3k 0.00% Reduced -13.8k -13,753
88 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 10,24810.2k $68.9k $68.9k 0.00% Reduced -9.7k -9,678
89 FMR LLC 0.00% of their portfolio BOSTON, MA 10,10210.1k $67.9k $67.9k 0.00% Reduced -312 -312
90 CWM, LLC 0.00% of their portfolio OMAHA, NE 9,8289.8k $66.0k $66.0k 0.00% Reduced -3.0k -3,019
91 Torren Management, LLC 0.03% of their portfolio SAN DIEGO, CA 7,6477.6k $51.4k $51.4k 0.03% First filing
92 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 7,3977.4k $49.7k $49.7k 0.00% Unchanged
93 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 7,0437.0k $47.3k $47.3k 0.00% Unchanged
94 Quarry LP 0.00% of their portfolio NEW YORK, NY 4,0734.1k $27.4k $27.4k 0.00% New
95 Leonteq Securities AG 0.00% of their portfolio ZURICH, V8 2,6262.6k $17.6k $17.6k 0.00% Reduced -306 -306
96 Legal & General Group Plc 0.00% of their portfolio London, X0 2,1342.1k $14.3k $14.3k 0.00% Unchanged
97 Pinnacle Wealth Planning Services, Inc. 0.00% of their portfolio MANSFIELD, OH 2,0272.0k $13.6k $13.6k 0.00% New
98 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 1,7261.7k $11.6k $11.6k 0.00% Added +258 +258
99 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,5981.6k $10.7k $10.7k 0.00% Unchanged
100 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 1,5631.6k $10.5k $10.5k 0.00% Reduced -57 -57