Security record · archived quarter
PEN
Penumbra, Inc. · Healthcare · Medical - Devices
129Tracked holders
+2Δ holders
30.57MShares held
$9.51BReported value
+3New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +1.6% ·
share flow -4.0% ·
net new positions +2.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 116 | -12 | 22.38M | $7.07B | +3 | −14 |
| Q1 2026 | 130 | +2 | 22.22M | $7.29B | +14 | −13 |
| Q4 2025 | 129 | +2 | 30.57M | $9.51B | +3 | — |
| Q3 2025 | 22 | -2 | 23.38M | $5.92B | — | −3 |
| Q2 2025 | 22 | +3 | 20.19M | $5.18B | +3 | — |
| Q1 2025 | 16 | 0 | 6.15M | $1.64B | +1 | −1 |
| Q4 2024 | 16 | +2 | 5.72M | $1.36B | +2 | — |
| Q3 2024 | 13 | -1 | 4.72M | $917.01M | — | −1 |
| Q2 2024 | 14 | — | 5.82M | $1.05B | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 5.13M | -12.9% | $1.60B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 5.13M | -12.9% | $1.60B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 5.13M | -12.9% | $1.60B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 5.13M | -12.9% | $1.60B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 5.13M | -12.9% | $1.60B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 6 | Fidelity (FMR) ✦ | 5.13M | -12.9% | $1.60B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 7 | Fidelity (FMR) ✦ | 5.13M | -12.9% | $1.60B | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | BlackRock ✦ (passive) | 4.14M | -0.7% | $1.29B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | The Vanguard Group ✦ (passive) | 3.77M | -1.7% | $1.17B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | The Vanguard Group ✦ (passive) | 3.77M | -1.7% | $1.17B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | The Vanguard Group ✦ (passive) | 3.77M | -1.7% | $1.17B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | The Vanguard Group ✦ (passive) | 3.77M | -1.7% | $1.17B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | The Vanguard Group ✦ (passive) | 3.77M | -1.7% | $1.17B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | The Vanguard Group ✦ (passive) | 3.77M | -1.7% | $1.17B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | T. Rowe Price ✦ | 1.64M | -8.4% | $511.17M | 0.1% | ▼ Trim | 7 | SEC ↗ |
| 35 | T. Rowe Price ✦ | 1.64M | -8.4% | $511.17M | 0.1% | ▼ Trim | 7 | SEC ↗ |
| 36 | State Street Global Advisors ✦ (passive) | 1.16M | -0.7% | $359.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 37 | Citadel Advisors ✦ | 990.27K | +2.0% | $307.89M | 0.2% | ▲ Add | 7 | SEC ↗ |
| 38 | Citadel Advisors ✦ | 990.27K | +2.0% | $307.89M | 0.2% | ▲ Add | 7 | SEC ↗ |
| 39 | Baillie Gifford ✦ | 876.33K | -3.5% | $272.46M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 40 | Baillie Gifford ✦ | 876.33K | -3.5% | $272.46M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 41 | Baillie Gifford ✦ | 876.33K | -3.5% | $272.46M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 42 | Baillie Gifford ✦ | 876.33K | -3.5% | $272.46M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 797.49K | -52.7% | $247.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 797.49K | -52.7% | $247.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 797.49K | -52.7% | $247.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 797.49K | -52.7% | $247.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 797.49K | -52.7% | $247.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 797.49K | -52.7% | $247.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | JPMorgan Chase ✦ | 797.49K | -52.7% | $247.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 797.49K | -52.7% | $247.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | Geode Capital Management ✦ (passive) | 766.51K | +2.5% | $238.37M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 52 | Geode Capital Management ✦ (passive) | 766.51K | +2.5% | $238.37M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 53 | Clearbridge Investments, LLC | 690.81K | — | $214.78M | 0.2% | n/c | 1 | SEC ↗ |
| 54 | Millennium Management ✦ | 677.83K | +190.5% | $210.74M | 0.2% | ▲ Add | 7 | SEC ↗ |
| 55 | Invesco Ltd. | 638.30K | — | $198.46M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Invesco Ltd. | 638.30K | — | $198.46M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Invesco Ltd. | 638.30K | — | $198.46M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Invesco Ltd. | 638.30K | — | $198.46M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Invesco Ltd. | 638.30K | — | $198.46M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Invesco Ltd. | 638.30K | — | $198.46M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Artisan Partners Limited Partnership | 594.11K | — | $184.72M | 0.3% | n/c | 1 | SEC ↗ |
| 62 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Morgan Stanley ✦ | 525.51K | -24.2% | $163.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Janus Henderson Group Plc | 475.90K | — | $147.96M | 0.1% | n/c | 1 | SEC ↗ |
| 76 | Janus Henderson Group Plc | 475.90K | — | $147.96M | 0.1% | n/c | 1 | SEC ↗ |
| 77 | Holocene Advisors, LP | 471.35K | — | $146.55M | 0.3% | n/c | 1 | SEC ↗ |
| 78 | Capital World Investors ✦ | 426.46K | +2.6% | $132.59M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 79 | Allspring Global Investments… | 358.63K | — | $110.97M | 0.2% | n/c | 1 | SEC ↗ |
| 80 | Allspring Global Investments… | 358.63K | — | $110.97M | 0.2% | n/c | 1 | SEC ↗ |
| 81 | Allspring Global Investments… | 358.63K | — | $110.97M | 0.2% | n/c | 1 | SEC ↗ |
| 82 | Dimensional Fund Advisors Lp | 324.79K | — | $100.99M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Dimensional Fund Advisors Lp | 324.79K | — | $100.99M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Dimensional Fund Advisors Lp | 324.79K | — | $100.99M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Dimensional Fund Advisors Lp | 324.79K | — | $100.99M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Dimensional Fund Advisors Lp | 324.79K | — | $100.99M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Goldman Sachs Group ✦ | 318.15K | +10.3% | $98.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | Goldman Sachs Group ✦ | 318.15K | +10.3% | $98.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Northern Trust Corp | 310.66K | — | $96.59M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Northern Trust Corp | 310.66K | — | $96.59M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Northern Trust Corp | 310.66K | — | $96.59M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Northern Trust Corp | 310.66K | — | $96.59M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Northern Trust Corp | 310.66K | — | $96.59M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Northern Trust Corp | 310.66K | — | $96.59M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Charles Schwab Investment… | 307.50K | — | $95.60M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Bank Of America Corp /De/ | 306.21K | — | $95.20M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Bank Of America Corp /De/ | 306.21K | — | $95.20M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Bank Of America Corp /De/ | 306.21K | — | $95.20M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Bank Of America Corp /De/ | 306.21K | — | $95.20M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Bank Of America Corp /De/ | 306.21K | — | $95.20M | 0.0% | n/c | 1 | 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
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 479 holders, 33.44M shares, $10.70B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 13
SC 13G — BARCLAYS PLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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