PODD
Insulet Corp. · Healthcare · Medical - Devices
Momentum inputs (comparable managers):
holder breadth +5.3% ·
share flow -4.4% ·
net new positions +5.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 160 | 0 | 53.37M | $8.15B | +7 | −6 |
| Q1 2026 | 162 | -3 | 53.76M | $11.28B | +2 | −6 |
| Q4 2025 | 164 | +1 | 61.46M | $17.44B | +2 | — |
| Q3 2025 | 24 | +1 | 35.22M | $10.87B | +1 | −1 |
| Q2 2025 | 21 | -2 | 34.19M | $10.74B | — | −2 |
| Q1 2025 | 20 | +1 | 10.99M | $2.88B | +1 | — |
| Q4 2024 | 19 | 0 | 11.49M | $3.00B | +1 | −1 |
| Q3 2024 | 18 | 0 | 8.60M | $2.00B | +1 | −1 |
| Q2 2024 | 18 | — | 10.07M | $2.03B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 3.02M | +1.6% | $794.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 3.02M | +1.6% | $794.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Baillie Gifford ✦ | 2.25M | -4.5% | $591.07M | 0.5% | ▼ Trim | 4 | SEC ↗ |
| 4 | Baillie Gifford ✦ | 2.25M | -4.5% | $591.07M | 0.5% | ▼ Trim | 4 | SEC ↗ |
| 5 | Baillie Gifford ✦ | 2.25M | -4.5% | $591.07M | 0.5% | ▼ Trim | 4 | SEC ↗ |
| 6 | Baillie Gifford ✦ | 2.25M | -4.5% | $591.07M | 0.5% | ▼ Trim | 4 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 1.87M | +5.1% | $489.41M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | Geode Capital Management ✦ (passive) | 1.87M | +5.1% | $489.41M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Norges Bank ✦ (passive) | 1.01M | +6.2% | $265.67M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | Marshall Wace ✦ | 604.51K | +24.2% | $158.75M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 11 | Marshall Wace ✦ | 604.51K | +24.2% | $158.75M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 12 | Marshall Wace ✦ | 604.51K | +24.2% | $158.75M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 13 | PRIMECAP Management ✦ | 425.02K | -13.8% | $111.61M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 14 | Wellington Management ✦ | 345.87K | +6.3% | $90.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | Wellington Management ✦ | 345.87K | +6.3% | $90.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | Wellington Management ✦ | 345.87K | +6.3% | $90.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | Wellington Management ✦ | 345.87K | +6.3% | $90.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | Millennium Management ✦ | 269.72K | +70.6% | $70.83M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 19 | Adage Capital Partners ✦ | 247.64K | +59.2% | $65.03M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 20 | T. Rowe Price ✦ | 206.26K | +1.7% | $54.17M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | T. Rowe Price ✦ | 206.26K | +1.7% | $54.17M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | T. Rowe Price ✦ | 206.26K | +1.7% | $54.17M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 23 | Capital World Investors ✦ | 168.00K | 0.0% | $44.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 24 | Renaissance Technologies ✦ | 159.19K | +0.1% | $41.81M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 25 | Citadel Advisors ✦ | 143.95K | -80.3% | $37.80M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 26 | AQR Capital Management ✦ | 83.62K | -16.5% | $21.79M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 27 | AQR Capital Management ✦ | 83.62K | -16.5% | $21.79M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 83.62K | -16.5% | $21.79M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 29 | AQR Capital Management ✦ | 83.62K | -16.5% | $21.79M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 83.62K | -16.5% | $21.79M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 31 | Arrowstreet Capital ✦ | 80.04K | +112.7% | $21.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Fisher Asset Management ✦ | 46.42K | -87.7% | $12.19M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 33 | Point72 Asset Management ✦ | 22.78K | New | $5.98M | 0.0% | New | 1 | SEC ↗ |
| 34 | Point72 Asset Management ✦ | 22.78K | New | $5.98M | 0.0% | New | 1 | SEC ↗ |
| 35 | Two Sigma Investments ✦ | 16.48K | -2.9% | $4.33M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 36 | Gotham Asset Management ✦ | 9.08K | +33.0% | $2.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 37 | Bridgewater Associates ✦ | 3.10K | -59.9% | $813,828 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $5.98M | 0.0% |
| Point72 Asset Management | $5.98M | 0.0% |
Exited
| No tracked exits this quarter. |
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