Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in INGN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.7M | $11.3M | +6.2% | 6.460% | 0.00% |
| 2 | ARMISTICE CAPITAL, LLC | 1.1M | $7.1M | -8.7% | 4.048% | 0.09% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.0M | $6.7M | +0.2% | 3.835% | 0.00% |
| 4 | AMERIPRISE FINANCIAL INC | 983K | $6.3M | +14.4% | 3.631% | 0.00% |
| 5 | AQR CAPITAL MANAGEMENT LLC | 937K | $6.0M | +119.5% | 3.462% | 0.00% |
| 6 | DAFNA Capital Management LLC | 845K | $5.5M | 0.0% | 3.122% | 1.04% |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 743K | $4.8M | +26.8% | 2.745% | 0.00% |
| 8 | MORGAN STANLEY | 646K | $4.2M | +19.4% | 2.387% | 0.00% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 642K | $4.1M | +4.6% | 2.369% | 0.00% |
| 10 | STATE STREET CORP | 592K | $3.8M | +3.3% | 2.186% | 0.00% |
| 11 | FEDERATED HERMES, INC. | 535K | $3.5M | +3.9% | 1.976% | 0.00% |
| 12 | JPMORGAN CHASE & CO | 480K | $3.3M | +12.3% | 1.774% | 0.00% |
| 13 | DIMENSIONAL FUND ADVISORS LP | 489K | $3.2M | -4.2% | 1.805% | 0.00% |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 477K | $3.1M | -0.4% | 1.761% | 0.00% |
| 15 | GOLDMAN SACHS GROUP INC | 436K | $2.8M | -24.9% | 1.609% | 0.00% |
| 16 | ExodusPoint Capital Management, LP | 394K | $2.5M | +19.2% | 1.455% | 0.02% |
| 17 | JACOBS LEVY EQUITY MANAGEMENT, INC | 389K | $2.5M | +30.9% | 1.436% | 0.01% |
| 18 | PRUDENTIAL FINANCIAL INC | 329K | $2.1M | -10.9% | 1.215% | 0.00% |
| 19 | UBS Group AG | 302K | $1.9M | +63.5% | 1.114% | 0.00% |
| 20 | MOORE CAPITAL MANAGEMENT, LP | 289K | $1.9M | +3.3% | 1.068% | 0.03% |
| 21 | READYSTATE ASSET MANAGEMENT LP | 266K | $1.7M | — | 0.984% | 0.06% |
| 22 | Peapod Lane Capital LLC | 263K | $1.7M | +1.6% | 0.971% | 1.14% |
| 23 | VANGUARD PORTFOLIO MANAGEMENT LLC | 253K | $1.6M | +12.0% | 0.934% | 0.00% |
| 24 | MACKENZIE FINANCIAL CORP | 211K | $1.4M | — | 0.779% | 0.00% |
| 25 | Steward Partners Investment Advisory, LLC | 202K | $1.3M | — | 0.744% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in INGN — a direct measure of their conviction.
Filings activity in INGN during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 128 | +1.6% | 70.95% | +0.94 pp | $114M | +7.6% |
| Q1 2026 | 126 | 3.8% | 70.01% | +0.37 pp | $106M | 7.2% |
| Q4 2025 | 131 | +2.3% | 69.64% | +0.81 pp | $114M | 21% |
| Q3 2025 | 128 | +2.4% | 68.83% | 4.76 pp | $145M | +12% |
| Q2 2025 | 125 | 0.8% | 73.59% | +4.03 pp | $129M | +5.8% |
| Q1 2025 | 126 | 6.0% | 69.56% | 15.44 pp | $122M | 20% |
| Q4 2024 | 134 | +2.3% | 85.00% | 1.57 pp | $154M | 7.5% |
| Q3 2024 | 131 | — | 86.57% | — | $166M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying INGN stock.
Based on Q2 2026 13F filings, institutional ownership of Inogen, Inc. stands at 71.0%, held across 128 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of INGN, with approximately 1,748,986 shares worth $0.01B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of INGN, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for INGN is 57 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
18 institutions opened new positions in INGN during Q2 2026, while 14 fully exited. 84 added to existing positions and 24 trimmed.
INGN institutional ownership rose by 0.94 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 52.4% of all reported 13F value in INGN, and the top 25 account for 82.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.