Security record · archived quarter
PEN
Penumbra, Inc. · Healthcare · Medical - Devices
130Tracked holders
+2Δ holders
22.22MShares held
$7.29BReported value
+14New positions
−13Exits
Momentum inputs (comparable managers):
holder breadth +1.6% ·
share flow -21.7% ·
net new positions +0.8%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 4.33M | +4.6% | $1.42B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | Vanguard Capital Management Llc | 1.69M | — | $556.42M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (passive) | 1.19M | +2.5% | $389.38M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 22 | Millennium Management ✦ | 1.10M | +62.0% | $360.59M | 0.3% | ▲ Add | 8 | SEC ↗ |
| 23 | Baillie Gifford ✦ | 840.43K | -4.1% | $275.97M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 24 | Baillie Gifford ✦ | 840.43K | -4.1% | $275.97M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 25 | Baillie Gifford ✦ | 840.43K | -4.1% | $275.97M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 26 | Baillie Gifford ✦ | 840.43K | -4.1% | $275.97M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 795.45K | +3.8% | $261.26M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 795.45K | +3.8% | $261.26M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 29 | Balyasny Asset Management L.P. | 762.10K | +370.7% | $250.25M | 0.5% | ▲ Add | 2 | SEC ↗ |
| 30 | Goldman Sachs Group ✦ | 720.58K | +126.5% | $236.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Goldman Sachs Group ✦ | 720.58K | +126.5% | $236.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Citigroup Inc | 620.94K | +1203.1% | $203.90M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 33 | Citigroup Inc | 620.94K | +1203.1% | $203.90M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 34 | UBS Group AG | 560.34K | +272.6% | $184.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | UBS Group AG | 560.34K | +272.6% | $184.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | UBS Group AG | 560.34K | +272.6% | $184.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | UBS Group AG | 560.34K | +272.6% | $184.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | UBS Group AG | 560.34K | +272.6% | $184.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Invesco Ltd. | 538.20K | -15.7% | $176.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | Invesco Ltd. | 538.20K | -15.7% | $176.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | Invesco Ltd. | 538.20K | -15.7% | $176.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | Invesco Ltd. | 538.20K | -15.7% | $176.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Invesco Ltd. | 538.20K | -15.7% | $176.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 44 | Invesco Ltd. | 538.20K | -15.7% | $176.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 45 | Fidelity (FMR) ✦ | 496.11K | -90.3% | $162.91M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 46 | Fidelity (FMR) ✦ | 496.11K | -90.3% | $162.91M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 47 | Fidelity (FMR) ✦ | 496.11K | -90.3% | $162.91M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 48 | Fidelity (FMR) ✦ | 496.11K | -90.3% | $162.91M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 49 | Fidelity (FMR) ✦ | 496.11K | -90.3% | $162.91M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 50 | Fidelity (FMR) ✦ | 496.11K | -90.3% | $162.91M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 51 | Fidelity (FMR) ✦ | 496.11K | -90.3% | $162.91M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 52 | Capital World Investors ✦ | 450.81K | +5.7% | $148.03M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 53 | Tudor Investment Corp Et Al | 411.12K | New | $135.00M | 0.7% | New | 1 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 62 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 76 | Arrowstreet Capital ✦ | 400.16K | +130.2% | $131.40M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 77 | Amundi | 345.76K | +302.9% | $113.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Amundi | 345.76K | +302.9% | $113.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Amundi | 345.76K | +302.9% | $113.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Dimensional Fund Advisors Lp | 325.84K | +0.3% | $107.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Dimensional Fund Advisors Lp | 325.84K | +0.3% | $107.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Dimensional Fund Advisors Lp | 325.84K | +0.3% | $107.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Dimensional Fund Advisors Lp | 325.84K | +0.3% | $107.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Dimensional Fund Advisors Lp | 325.84K | +0.3% | $107.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Charles Schwab Investment… | 322.42K | +4.8% | $105.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Northern Trust Corp | 320.85K | +3.3% | $105.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | Northern Trust Corp | 320.85K | +3.3% | $105.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | Northern Trust Corp | 320.85K | +3.3% | $105.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Northern Trust Corp | 320.85K | +3.3% | $105.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Northern Trust Corp | 320.85K | +3.3% | $105.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Northern Trust Corp | 320.85K | +3.3% | $105.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Neuberger Berman Group LLC | 303.62K | +5920.6% | $99.70M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 93 | LMR Partners LLP | 295.71K | New | $97.10M | 1.1% | New | 1 | SEC ↗ |
| 94 | LMR Partners LLP | 295.71K | New | $97.10M | 1.1% | New | 1 | SEC ↗ |
| 95 | Bank Of America Corp /De/ | 259.77K | -15.2% | $85.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 96 | Bank Of America Corp /De/ | 259.77K | -15.2% | $85.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Bank Of America Corp /De/ | 259.77K | -15.2% | $85.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Bank Of America Corp /De/ | 259.77K | -15.2% | $85.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | Bank Of America Corp /De/ | 259.77K | -15.2% | $85.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 100 | Bank of New York Mellon Corp | 246.53K | -0.9% | $80.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Tudor Investment Corp Et Al | $135.00M | 0.7% |
| LMR Partners LLP | $97.10M | 1.1% |
| LMR Partners LLP | $97.10M | 1.1% |
Exited
| Artisan Partners Limited… | $184.72M | was 0.3% |
| Baird Financial Group, Inc. | $45.29M | was 0.1% |
| Norges Bank | $33.04M | was 0.0% |
| Alyeska Investment Group, L.P. | $31.63M | was 0.1% |
| Td Asset Management Inc | $27.41M | was 0.0% |
| Point72 Asset Management | $25.13M | was 0.0% |
| Qube Research & Technologies… | $16.34M | was 0.0% |
| Wcm Investment Management, Llc | $12.90M | was 0.0% |
| Bamco Inc /Ny/ | $4.33M | was 0.0% |
| Ensign Peak Advisors, Inc | $2.51M | was 0.0% |
| Toronto Dominion Bank | $1.45M | was 0.0% |
| Allianz Asset Management GmbH | $684,002 | was 0.0% |
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: Q1 2026 ·
Methodology ·
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