PODD
Insulet Corp. · Healthcare · Medical - Devices
Momentum inputs (comparable managers):
holder breadth -8.7% ·
share flow +1.7% ·
net new positions -9.5%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 158 | 0 | 52.88M | $8.06B | +7 | −8 |
| Q1 2026 | 162 | -3 | 53.76M | $11.28B | +2 | −6 |
| Q4 2025 | 164 | +1 | 61.46M | $17.44B | +2 | n/a |
| Q3 2025 | 24 | +1 | 35.22M | $10.87B | +1 | −1 |
| Q2 2025 | 21 | -2 | 34.19M | $10.74B | n/a | −2 |
| Q1 2025 | 20 | +1 | 10.99M | $2.88B | +1 | n/a |
| Q4 2024 | 19 | 0 | 11.49M | $3.00B | +1 | −1 |
| Q3 2024 | 18 | 0 | 8.60M | $2.00B | +1 | −1 |
| Q2 2024 | 18 | n/a | 10.07M | $2.03B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 8.71M | n/a | $2.74B | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 2 | Fidelity (FMR) ✦ | 7.51M | n/a | $2.36B | 0.1% | n/c | 1 | SEC ↗ ×7 |
| 3 | BlackRock ✦ (passive) | 6.41M | n/a | $2.02B | 0.0% | n/c | 1 | SEC ↗ ×23 |
| 4 | State Street Global Advisors ✦ (passive) | 3.06M | +1.1% | $960.21M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 5 | Baillie Gifford ✦ | 2.14M | -5.1% | $670.80M | 0.5% | ▼ Trim | 5 | SEC ↗ ×4 |
| 6 | Geode Capital Management ✦ (passive) | 1.93M | +3.1% | $603.21M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 7 | Norges Bank ✦ (passive) | 1.03M | +2.1% | $324.69M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 771.55K | +436.0% | $242.40M | 0.2% | ▲ Add | 5 | SEC ↗ ×2 |
| 9 | Marshall Wace ✦ | 628.57K | +4.0% | $197.48M | 0.2% | ▲ Add | 5 | SEC ↗ ×2 |
| 10 | Renaissance Technologies ✦ | 374.26K | +135.1% | $117.58M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 363.43K | +2105.2% | $114.18M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 12 | Wellington Management ✦ | 282.97K | -18.2% | $88.90M | 0.0% | ▼ Trim | 5 | SEC ↗ ×4 |
| 13 | Millennium Management ✦ | 234.63K | -13.0% | $73.72M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 224.06K | +8.6% | $70.39M | 0.0% | ▲ Add | 5 | SEC ↗ ×3 |
| 15 | PRIMECAP Management ✦ | 188.72K | -55.6% | $59.29M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | Capital World Investors ✦ | 168.00K | 0.0% | $52.78M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 107.57K | +28.6% | $33.70M | 0.0% | ▲ Add | 5 | SEC ↗ ×5 |
| 18 | Fisher Asset Management ✦ | 33.52K | -27.8% | $10.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | Arrowstreet Capital ✦ | 26.77K | -66.5% | $8.41M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Gotham Asset Management ✦ | 5.29K | -41.8% | $1.66M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 21 | Bridgewater Associates ✦ | 2.30K | -25.8% | $722,928 | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Adage Capital Partners | $65.03M | was 0.1% |
| Point72 Asset Management | $5.98M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 779 holders, 69.27M shares, $13.82B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Officer, Director · President and CEO · 1.10K sh @ 147.47 · $162,217
Open-market sales (S)
No open-market insider sales in our coverage window.
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology