Vault-13

INOGEN INC INGN

COM · Common Stock · CUSIP 45780L104 · ISIN US45780L1044

128 institutional holders -1 vs Q1 2025
19,680,48719.7m shares reported held*
72.8% of all shares outstanding*
$138.4mreported value*
13 new 49 added 44 reduced 15 sold out net bought ≈ $6.3m (+893.3k 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 ($108.7k this quarter). Holder counts are more reliable. Shares outstanding: 27.0m as of 2025-08-01, 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 ≈ $7.03. Options: 4 managers hold calls ($128.4k notional), 1 hold puts ($0).

Trends to Q2 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: 128128Q3 22Q2 23Q1 24Q4 24Q2 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

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 23: 57 bought or addedQ3 23: 72 cut or sold outQ4 23: 71 bought or addedQ4 23: 53 cut or sold outQ4 23Q1 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 25
Numbers
QuarterBought or addedCut or sold out
Q3 20235772
Q4 20237153
Q1 20246270
Q2 20245573
Q3 20246158
Q4 20246951
Q1 20256955
Q2 20256259

Calls vs puts

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

CallsPuts
$0$1m$2m$3mQ3 24 calls: $2.7mQ3 24 puts: $1.4mQ3 24P/C 0.50Q4 24 calls: $2.1mQ4 24 puts: $979.1kQ4 24P/C 0.46Q1 25 calls: $144.5kQ1 25 puts: $9.3kQ1 25P/C 0.06Q2 25 calls: $128.4kQ2 25 puts: $0Q2 25P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2024$2.7m$1.4m0.50
Q4 2024$2.1m$979.1k0.46
Q1 2025$144.5k$9.3k0.06
Q2 2025$128.4k$00.00

Biggest buyers

ARMISTICE CAPITAL, LLC New +664,000+664.0k
Divisadero Street Capital Management, LP Added +299,571+299.6k
PERKINS CAPITAL MANAGEMENT INC New +148,050+148.1k
DAFNA Capital Management LLC Added +147,560+147.6k
MORGAN STANLEY Added +147,227+147.2k
BANK OF AMERICA CORP /DE/ Added +127,869+127.9k
VANGUARD GROUP INC Added +113,177+113.2k
Nuveen, LLC Added +104,946+104.9k
ROYCE & ASSOCIATES LP Added +77,273+77.3k
DIMENSIONAL FUND ADVISORS LP Added +75,066+75.1k

Biggest sellers

BRIDGEWAY CAPITAL MANAGEMENT, LLC Reduced -234,679-234.7k
JPMORGAN CHASE & CO Reduced -136,794-136.8k
CITADEL ADVISORS LLC Reduced -134,442-134.4k
AQR CAPITAL MANAGEMENT LLC Reduced -116,152-116.2k
GSA CAPITAL PARTNERS LLP Sold out -76,574-76.6k
JANE STREET GROUP, LLC Sold out -64,985-65.0k
BlackRock, Inc. Reduced -57,302-57.3k
MILLENNIUM MANAGEMENT LLC Reduced -53,867-53.9k
STRS OHIO Reduced -52,500-52.5k
Graham Capital Management, L.P. Sold out -45,748-45.7k

Biggest calls

CITADEL ADVISORS LLC Added $121.6k17.3k shares
SIMPLEX TRADING, LLC Unchanged $4.0k600 shares
GROUP ONE TRADING LLC Unchanged $2.8k400 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

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 Q2 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
202Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 0 sellingQ4 23Q1 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 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20230—0——
Q1 20240—0——
Q2 20240—1$85.6k—
Q3 20240—0——
Q4 20240—0——
Q1 20252$125.2k0——
Q2 20250—0——

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,718,8881.7m $12.1m $12.1m 0.00% Reduced -57.3k -57,302
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,653,8081.7m $11.6m $11.6m 0.00% Added +113.2k +113,177
3 Kent Lake PR LLC 3.29% of their portfolio SAN JUAN, PR 1,061,2941.1m $7.5m $7.5m 3.29% Added +57.7k +57,700
4 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 1,017,2411.0m $7.1m $7.1m 0.01% Reduced -11.1k -11,081
5 Camber Capital Management LP 0.95% of their portfolio BOSTON, MA 975,000975.0k $6.9m $6.9m 0.95% Unchanged
6 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 881,100881.1k $6.2m $6.2m 0.00% Added +6.6k +6,573
7 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 832,188832.2k $5.9m $5.9m 0.00% Added +75.1k +75,066
8 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 726,106726.1k $5.1m $5.1m 0.01% Reduced -4.7k -4,694
9 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 678,517678.5k $4.8m $4.8m 0.00% Added +147.2k +147,227
10 ARMISTICE CAPITAL, LLC 0.18% of their portfolio NEW YORK, NY 664,000664.0k $4.7m $4.7m 0.18% New
11 PRUDENTIAL FINANCIAL INC 0.01% of their portfolio NEWARK, NJ 647,188647.2k $4.5m $4.5m 0.01% Added +47.3k +47,267
12 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 615,279615.3k $4.3m $4.3m 0.00% Added +44.9k +44,860
13 DAFNA Capital Management LLC 1.18% of their portfolio LOS ANGELES, CA 605,625605.6k $4.3m $4.3m 1.18% Added +147.6k +147,560
14 ROYCE & ASSOCIATES LP 0.04% of their portfolio New York, NY 521,730521.7k $3.7m $3.7m 0.04% Added +77.3k +77,273
15 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 513,249513.2k $3.6m $3.6m 0.00% Reduced -5.0k -4,992
16 Divisadero Street Capital Management, LP 0.21% of their portfolio MIAMI, FL 455,389455.4k $3.2m $3.2m 0.21% Added +299.6k +299,571
17 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 447,880447.9k $3.1m $3.1m 0.00% Reduced -116.2k -116,152
18 FEDERATED HERMES, INC. 0.01% of their portfolio PITTSBURGH, PA 423,320423.3k $3.0m $3.0m 0.01% Added +18.4k +18,425
19 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 396,745396.7k $2.8m $2.8m 0.00% Reduced -136.8k -136,794
20 JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio FLORHAM PARK, NJ 290,411290.4k $2.0m $2.0m 0.01% Reduced -4.3k -4,306
21 Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio VANCOUVER, A1 275,367275.4k $1.9m $1.9m 0.01% Reduced -8.1k -8,098
22 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 258,789258.8k $1.8m $1.8m 0.00% Added +104.9k +104,946
23 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 256,693256.7k $1.8m $1.8m 0.00% Reduced -35.1k -35,146
24 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 253,365253.4k $1.8m $1.8m 0.00% Reduced -30.8k -30,815
25 Stokes Family Office, LLC 0.17% of their portfolio NEW ORLEANS, LA 224,669224.7k $1.6m $1.6m 0.17% Added +16.9k +16,945
26 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 190,340190.3k $1.3m $1.3m 0.00% Reduced -6.4k -6,362
27 Monaco Asset Management SAM 0.47% of their portfolio Monaco, O9 177,594177.6k $1.2m $1.2m 0.47% Added +10.0k +10,000
28 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 171,526171.5k $1.2m $1.2m 0.00% Added +127.9k +127,869
29 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.03% of their portfolio HOUSTON, TX 163,351163.4k $1.1m $1.1m 0.03% Reduced -234.7k -234,679
30 Cubist Systematic Strategies, LLC 0.01% of their portfolio STAMFORD, CT 162,108162.1k $1.1m $1.1m 0.01% Added +37.1k +37,115
31 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 161,711161.7k $1.1m $1.1m 0.00% Reduced -134.4k -134,442
32 PERKINS CAPITAL MANAGEMENT INC 1.05% of their portfolio WAYZATA, MN 148,050148.1k $1.0m $1.0m 1.05% New
33 TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio STAMFORD, CT 130,235130.2k $915.6k $915.6k 0.01% Reduced -30.9k -30,939
34 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 125,415125.4k $881.7k $881.7k 0.00% Added +934 +934
35 UBS Group AG 0.00% of their portfolio ZURICH, V8 106,693106.7k $750.1k $750.1k 0.00% Added +4.1k +4,084
36 THOMPSON SIEGEL & WALMSLEY LLC 0.01% of their portfolio RICHMOND, VA 101,613101.6k $714.0k $714.0k 0.01% Reduced -24.1k -24,080
37 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 89,21389.2k $627.2k $627.2k 0.00% Added +24.6k +24,628
38 TOCQUEVILLE ASSET MANAGEMENT L.P. 0.01% of their portfolio New York, NY 87,85087.8k $617.6k $617.6k 0.01% Unchanged
39 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 84,55584.6k $594.4k $594.4k 0.00% Added +21.6k +21,600
40 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 77,45677.5k $544.5k $544.5k 0.00% Added +3.7k +3,730
41 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 73,84373.8k $519.1k $519.1k 0.00% Reduced -53.9k -53,867
42 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 65,20565.2k $458.4k $458.4k 0.00% Reduced -7.9k -7,900
43 Campbell & CO Investment Adviser LLC 0.03% of their portfolio BALTIMORE, MD 61,24461.2k $430.5k $430.5k 0.03% Reduced -7.4k -7,359
44 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 61,23861.2k $430.5k $430.5k 0.00% Added +2.9k +2,858
45 Inspire Advisors, LLC 0.04% of their portfolio Meridian, ID 54,50754.5k $383.2k $383.2k 0.04% Added +10.5k +10,519
46 Assenagon Asset Management S.A. 0.00% of their portfolio SENNINGERBERG, N4 52,51852.5k $369.2k $369.2k 0.00% Unchanged
47 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 49,22049.2k $346.0k $346.0k 0.00% Added +200 +200
48 MISSION WEALTH MANAGEMENT, LP 0.01% of their portfolio Santa Barbara, CA 41,09541.1k $288.9k $288.9k 0.01% Unchanged
49 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 40,96141.0k $288.0k $288.0k 0.00% Added +6.8k +6,774
50 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 40,66240.7k $285.9k $285.9k 0.00% New
51 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 39,92839.9k $280.7k $280.7k 0.01% Added +6.7k +6,698
52 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 39,05939.1k $274.6k $274.6k 0.00% Added +2.6k +2,561
53 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 36,79336.8k $260.9k $260.9k 0.00% Added +5.4k +5,380
54 State of Wyoming 0.03% of their portfolio CHEYENNE, WY 32,58732.6k $229.1k $229.1k 0.03% Added +16.6k +16,602
55 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 32,01632.0k $225.1k $225.1k 0.00% Reduced -6.3k -6,323
56 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.01% of their portfolio BALA CYNWYD, PA 31,67331.7k $222.7k $222.7k 0.01% Reduced -25.0k -25,034
57 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 29,46029.5k $208.0k $208.0k 0.00% Added +1.7k +1,660
58 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 28,03628.0k $197.1k $197.1k 0.00% Unchanged
59 Tidal Investments LLC 0.00% of their portfolio Milwaukee, WI 26,28826.3k $184.8k $184.8k 0.00% Added +7.3k +7,348
60 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 26,18126.2k $184.1k $184.1k 0.00% Reduced -16.0k -16,004
61 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 24,21724.2k $170.2k $170.2k 0.00% Added +5.5k +5,539
62 Quantinno Capital Management LP 0.00% of their portfolio NEW YORK, NY 21,24721.2k $149.4k $149.4k 0.00% New
63 AlphaCore Capital LLC 0.01% of their portfolio LA JOLLA, CA 20,61420.6k $144.9k $144.9k 0.01% New
64 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 20,07820.1k $150.4k $150.4k 0.00% Added +6.2k +6,220
65 Engineers Gate Manager LP 0.00% of their portfolio NEW YORK, NY 19,31619.3k $135.8k $135.8k 0.00% Reduced -6.2k -6,171
66 Steadtrust LLC 0.10% of their portfolio ALLEN, TX 17,80017.8k $125.1k $125.1k 0.10% First filing
67 ALGERT GLOBAL LLC 0.00% of their portfolio SAN FRANCISCO, CA 17,18017.2k $120.8k $120.8k 0.00% Added +4.7k +4,720
68 AlphaQuest LLC 0.01% of their portfolio New York, NY 16,71016.7k $117.5k $117.5k 0.01% Reduced -31.6k -31,579
69 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 16,65216.7k $117.1k $117.1k 0.00% Reduced -22.4k -22,432
70 Verition Fund Management LLC 0.00% of their portfolio GREENWICH, CT 16,63616.6k $117.0k $117.0k 0.00% Reduced -8.5k -8,458
71 SHERBROOKE PARK ADVISERS LLC 0.05% of their portfolio WHITE PLAINS, NY 16,46116.5k $115.7k $115.7k 0.05% Reduced -13.4k -13,363
72 CWM, LLC 0.00% of their portfolio OMAHA, NE 16,25816.3k $114.0k $114.0k 0.00% Added +1.6k +1,611
73 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 15,26415.3k $107.3k $107.3k 0.00% Added +733 +733
74 Atom Investors LP 0.01% of their portfolio AUSTIN, TX 15,17215.2k $106.7k $106.7k 0.01% New
75 Stratos Wealth Advisors, LLC 0.01% of their portfolio BEACHWOOD, OH 15,03615.0k $105.7k $105.7k 0.01% Reduced -127 -127
76 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 14,78714.8k $104.0k $104.0k 0.00% Reduced -69 -69
77 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 14,33914.3k $100.8k $100.8k 0.00% Reduced -87 -87
78 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 13,22513.2k $93.0k $93.0k 0.00% Unchanged
79 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 13,10013.1k $92.1k $92.1k 0.00% Reduced -52.5k -52,500
80 AE Wealth Management LLC 0.00% of their portfolio TOPEKA, KS 12,85312.9k $90.4k $90.4k 0.00% Reduced -2.7k -2,692
81 Dynamic Technology Lab Private Ltd 0.01% of their portfolio SINGAPORE, U0 12,75512.8k $90.0k $90.0k 0.01% New
82 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 12,29812.3k $86.5k $86.5k 0.00% Added +338 +338
83 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 12,20012.2k $85.8k $85.8k 0.00% Reduced -800 -800
84 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 11,71411.7k $82.3k $82.3k 0.00% Reduced -7.0k -6,998
85 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 8,9809.0k $63.1k $63.1k 0.00% Reduced -8.4k -8,394
86 FMR LLC 0.00% of their portfolio BOSTON, MA 8,7898.8k $61.8k $61.8k 0.00% Reduced -1.5k -1,463
87 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 7,3977.4k $52.0k $52.0k 0.00% Unchanged
88 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 6,4776.5k $45.5k $45.5k 0.00% New
89 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 4,7664.8k $33.5k $33.5k 0.00% Unchanged
90 Leonteq Securities AG 0.00% of their portfolio ZURICH, V8 4,1024.1k $28.8k $28.8k 0.00% Unchanged
91 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 4,0404.0k $30.0k $30.0k 0.00% Added +1.9k +1,903
92 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,3513.4k $23.6k $23.6k 0.00% Added +1.5k +1,520
93 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 2,9072.9k $20.4k $20.4k 0.00% Reduced -37.1k -37,145
94 Quarry LP 0.00% of their portfolio NEW YORK, NY 2,3312.3k $16.4k $16.4k 0.00% New
95 HighMark Wealth Management LLC 0.01% of their portfolio ST. PAUL, MN 2,2002.2k $15.5k $15.5k 0.01% Unchanged
96 Legal & General Group Plc 0.00% of their portfolio London, X0 2,1342.1k $15.0k $15.0k 0.00% Unchanged
97 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 1,7441.7k $12.3k $12.3k 0.00% New
98 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,7181.7k $12.1k $12.1k 0.00% Unchanged
99 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,5981.6k $11.2k $11.2k 0.00% Unchanged
100 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 1,4431.4k $10.1k $10.1k 0.00% Reduced -3.5k -3,528