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 |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 4.65K | $1.48M | n/a | n/a |
| Q2 2026 | 114 | -12 | 22.27M | $7.04B | +3 | −16 |
| Q1 2026 | 130 | +2 | 22.22M | $7.29B | +14 | −13 |
| Q4 2025 | 129 | +2 | 30.57M | $9.51B | +3 | n/a |
| Q3 2025 | 22 | -2 | 23.38M | $5.92B | n/a | −3 |
| Q2 2025 | 22 | +3 | 20.19M | $5.18B | +3 | n/a |
| Q1 2025 | 16 | 0 | 6.15M | $1.64B | +1 | −1 |
| Q4 2024 | 16 | +2 | 5.72M | $1.36B | +2 | n/a |
| Q3 2024 | 13 | -1 | 4.72M | $917.01M | n/a | −1 |
| Q2 2024 | 14 | n/a | 5.82M | $1.05B | n/a | n/a |
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 ↗ ×19 |
| 2 | Vanguard Capital Management Llc | 1.69M | n/a | $556.42M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 1.19M | +2.5% | $389.38M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 4 | Millennium Management ✦ | 1.10M | +62.0% | $360.59M | 0.3% | ▲ Add | 8 | SEC ↗ |
| 5 | Baillie Gifford ✦ | 840.43K | -4.1% | $275.97M | 0.3% | ▼ Trim | 8 | SEC ↗ ×4 |
| 6 | Geode Capital Management ✦ (passive) | 795.45K | +3.8% | $261.26M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 7 | Balyasny Asset Management L.P. | 762.10K | +370.7% | $250.25M | 0.5% | ▲ Add | 2 | SEC ↗ |
| 8 | Goldman Sachs Group ✦ | 720.58K | +126.5% | $236.62M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 9 | Citigroup Inc | 620.94K | +1203.1% | $203.90M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 10 | UBS Group AG | 560.34K | +272.6% | $184.00M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 11 | Invesco Ltd. | 538.20K | -15.7% | $176.73M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 12 | Fidelity (FMR) ✦ | 496.11K | -90.3% | $162.91M | 0.0% | ▼ Trim | 4 | SEC ↗ ×7 |
| 13 | Capital World Investors ✦ | 450.81K | +5.7% | $148.03M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 14 | Tudor Investment Corp Et Al | 411.12K | New | $135.00M | 0.7% | New | 1 | SEC ↗ |
| 15 | JPMorgan Chase ✦ | 402.62K | -49.5% | $132.14M | 0.0% | ▼ Trim | 3 | SEC ↗ ×9 |
| 16 | Morgan Stanley ✦ | 401.36K | -23.6% | $131.79M | 0.0% | ▼ Trim | 3 | SEC ↗ ×13 |
| 17 | Arrowstreet Capital ✦ | 400.16K | +130.2% | $131.40M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 18 | Amundi | 345.76K | +302.9% | $113.54M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 19 | Dimensional Fund Advisors Lp | 325.84K | +0.3% | $107.00M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 20 | Charles Schwab Investment… | 322.42K | +4.8% | $105.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Northern Trust Corp | 320.85K | +3.3% | $105.36M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 22 | Neuberger Berman Group LLC | 303.62K | +5920.6% | $99.70M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 23 | LMR Partners LLP | 295.71K | New | $97.10M | 1.1% | New | 1 | SEC ↗ ×2 |
| 24 | Bank Of America Corp /De/ | 259.77K | -15.2% | $85.30M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 25 | Bank of New York Mellon Corp | 246.53K | -0.9% | $80.95M | 0.0% | ▼ Trim | 2 | SEC ↗ ×14 |
| 26 | Alliancebernstein L.P. | 226.32K | +43.0% | $70.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Bank Of Nova Scotia | 211.82K | +14837.9% | $69.56M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 28 | Soros Fund Management ✦ | 203.43K | New | $66.80M | 1.2% | New | 1 | SEC ↗ |
| 29 | Citadel Advisors ✦ | 202.72K | -79.5% | $66.57M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 30 | D. E. Shaw & Co. ✦ | 201.95K | +2584.1% | $66.31M | 0.1% | ▲ Add | 8 | SEC ↗ ×2 |
| 31 | Janus Henderson Group Plc | 167.05K | -64.9% | $54.85M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 32 | Squarepoint Ops LLC | 147.81K | New | $48.54M | 0.1% | New | 1 | SEC ↗ |
| 33 | Adage Capital Partners ✦ | 135.00K | -10.0% | $44.33M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 34 | Holocene Advisors, LP | 110.61K | -76.5% | $36.32M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 35 | Rhumbline Advisers | 110.17K | +2.8% | $36.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Hsbc Holdings Plc | 110.17K | +3507.5% | $36.06M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 37 | Nuveen, LLC | 100.74K | +36.4% | $33.08M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 38 | Clearbridge Investments, LLC | 97.14K | -85.9% | $31.90M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 39 | UBS AM, a distinct business unit of… | 96.72K | +7.3% | $31.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 40 | Principal Financial Group Inc | 88.18K | +5.1% | $28.96M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 41 | Bnp Paribas Financial Markets | 86.43K | +702.6% | $28.38M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Allspring Global Investments… | 79.90K | -77.7% | $26.28M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 43 | AQR Capital Management ✦ | 77.36K | -58.2% | $25.40M | 0.0% | ▼ Trim | 8 | SEC ↗ ×5 |
| 44 | First Trust Advisors Lp | 75.22K | +191.2% | $24.70M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Man Group plc | 74.67K | -3.5% | $24.52M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 46 | Swiss National Bank | 73.58K | +0.8% | $24.16M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | American Century Companies Inc | 69.99K | +242.2% | $22.98M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Healthcare Of Ontario Pension Plan… | 67.85K | New | $22.28M | 0.0% | New | 1 | SEC ↗ |
| 49 | Legal & General Group Plc | 61.20K | -14.6% | $20.09M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 50 | California Public Employees… | 60.42K | +25.1% | $19.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Two Sigma Investments ✦ | 58.22K | +134.2% | $19.12M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 52 | Victory Capital Management Inc | 52.78K | -27.8% | $17.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | BNP Paribas Asset Management… | 46.28K | -74.1% | $15.20M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 54 | Susquehanna International Group, Llp | 45.53K | New | $14.95M | 0.0% | New | 1 | SEC ↗ |
| 55 | Osaic Holdings, Inc. | 45.23K | -19.2% | $14.85M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 56 | California State Teachers… | 42.99K | +22.2% | $14.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | T. Rowe Price ✦ | 41.92K | -97.5% | $13.77M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 58 | Caisse De Depot Et Placement Du… | 41.70K | New | $13.69M | 0.0% | New | 1 | SEC ↗ |
| 59 | State Of Wisconsin Investment Board | 40.30K | -12.8% | $13.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Royal Bank Of Canada | 39.79K | -49.9% | $13.07M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 61 | Marshall Wace ✦ | 36.28K | -65.6% | $11.91M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 62 | Ameriprise Financial Inc | 34.71K | -77.7% | $11.40M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 63 | Voya Investment Management Llc | 33.91K | -76.7% | $11.13M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 64 | State Board Of Administration Of… | 33.47K | -5.1% | $10.99M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Wells Fargo & Company/Mn | 31.22K | -15.8% | $10.25M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 66 | Sei Investments Co | 28.74K | -67.5% | $9.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 67 | PRIMECAP Management ✦ | 26.26K | 0.0% | $8.62M | 0.0% | Held | 8 | SEC ↗ |
| 68 | Tidal Investments LLC | 23.65K | +727.9% | $7.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 69 | Mariner, LLC | 22.65K | +11.7% | $7.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | National Bank Of Canada /Fi/ | 22.00K | New | $7.22M | 0.0% | New | 1 | SEC ↗ |
| 71 | Wellington Management ✦ | 21.80K | -80.8% | $7.16M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 72 | Manufacturers Life Insurance… | 20.05K | -76.6% | $6.58M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | New York State Common Retirement… | 19.86K | -82.6% | $6.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Envestnet Asset Management Inc | 19.30K | -46.2% | $6.34M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Jones Financial Companies Lllp | 18.48K | +2979.7% | $6.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Hrt Financial Lp | 18.85K | New | $6.19M | 0.0% | New | 1 | SEC ↗ |
| 77 | Simplex Trading, Llc | 17.72K | +13530.0% | $5.82M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 78 | Prudential Financial Inc | 17.56K | +58.8% | $5.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Franklin Resources Inc | 17.37K | -91.4% | $5.70M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 80 | Barclays Plc | 16.88K | -37.7% | $5.54M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 81 | Russell Investments Group, Ltd. | 14.72K | +25.7% | $4.84M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 82 | Canada Pension Plan Investment Board | 14.50K | +356.0% | $4.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Quantinno Capital Management LP | 13.64K | +6.7% | $4.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Zurcher Kantonalbank (Zurich… | 10.34K | +33.8% | $3.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Bridgewater Associates ✦ | 10.04K | +742.8% | $3.30M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 86 | Fifth Third Bancorp | 9.47K | +2993.8% | $3.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | LPL Financial LLC | 9.43K | -17.8% | $3.10M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Bank Of Montreal /Can/ | 9.02K | -15.3% | $2.96M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 89 | Gotham Asset Management ✦ | 8.88K | +1102.6% | $2.91M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 90 | Cerity Partners LLC | 8.74K | +22.4% | $2.87M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 91 | Raymond James Financial Inc | 7.84K | -95.3% | $2.57M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 92 | Lazard Asset Management Llc | 7.83K | +15.5% | $2.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Wealth Enhancement Advisory… | 7.47K | +100.6% | $2.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Pacer Advisors, Inc. | 6.97K | +16.4% | $2.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 95 | Us Bancorp \De\ | 6.81K | -40.7% | $2.24M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 96 | Universal- Beteiligungs- und… | 6.74K | -14.7% | $2.21M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Pictet Asset Management Holding SA | 5.95K | +8.9% | $1.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Cwm, Llc | 4.24K | -5.1% | $1.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | HighTower Advisors, LLC | 4.09K | +16.4% | $1.34M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Creative Planning | 4.09K | +2.7% | $1.34M | 0.0% | ▲ Add | 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% |
| Soros Fund Management | $66.80M | 1.2% |
| Squarepoint Ops LLC | $48.54M | 0.1% |
| Healthcare Of Ontario Pension… | $22.28M | 0.0% |
| Susquehanna International… | $14.95M | 0.0% |
| Caisse De Depot Et Placement… | $13.69M | 0.0% |
| National Bank Of Canada /Fi/ | $7.22M | 0.0% |
| Hrt Financial Lp | $6.19M | 0.0% |
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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