Security record · archived quarter
TNDM
Tandem Diabetes Care, Inc. · Healthcare · Medical - Devices
101Tracked holders
+3Δ holders
51.29MShares held
$1.10BReported value
+5New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +3.1% ·
share flow +7.2% ·
net new positions +4.0%
· formula
Broad accumulation: rising shares across more holders
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 |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | -1 | 34.13K | $534,998 | n/a | −2 |
| Q2 2026 | 94 | -3 | 42.93M | $644.94M | +8 | −12 |
| Q1 2026 | 101 | +1 | 46.93M | $900.01M | +9 | −9 |
| Q4 2025 | 101 | +3 | 51.29M | $1.10B | +5 | −1 |
| Q3 2025 | 16 | -4 | 31.69M | $384.56M | n/a | −4 |
| Q2 2025 | 17 | +2 | 28.59M | $532.96M | +3 | −1 |
| Q1 2025 | 12 | -2 | 7.22M | $138.30M | n/a | −2 |
| Q4 2024 | 14 | -1 | 8.91M | $320.82M | n/a | −1 |
| Q3 2024 | 14 | +1 | 9.24M | $392.07M | +1 | n/a |
| Q2 2024 | 13 | n/a | 10.47M | $421.99M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 11.15M | -7.9% | $245.06M | 0.0% | ▼ Trim | 3 | SEC ↗ ×15 |
| 2 | The Vanguard Group ✦ (passive) | 7.34M | +3.9% | $161.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 2.64M | -1.0% | $58.07M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 2.09M | +5147.6% | $45.91M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 5 | Morgan Stanley ✦ | 2.08M | +182.1% | $45.73M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 6 | Jennison Associates Llc | 2.02M | n/a | $44.43M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Goldman Sachs Group ✦ | 1.68M | +17.6% | $37.00M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 8 | Geode Capital Management ✦ (passive) | 1.65M | +3.2% | $36.26M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 9 | Bnp Paribas Financial Markets | 1.25M | n/a | $27.44M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Assenagon Asset Management S.A. | 1.23M | n/a | $26.99M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 1.20M | +7.5% | $26.41M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 12 | Baillie Gifford ✦ | 1.15M | +2.2% | $25.18M | 0.0% | ▲ Add | 7 | SEC ↗ ×4 |
| 13 | Barclays Plc | 917.93K | n/a | $20.18M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 14 | Marshall Wace ✦ | 875.53K | New | $19.24M | 0.0% | New | 1 | SEC ↗ ×3 |
| 15 | D. E. Shaw & Co. ✦ | 854.27K | -2.6% | $18.78M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | Bank Of America Corp /De/ | 702.50K | n/a | $15.44M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 17 | Northern Trust Corp | 691.69K | n/a | $15.20M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 18 | Fidelity (FMR) ✦ | 672.65K | -22.7% | $14.78M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 19 | Charles Schwab Investment… | 646.31K | n/a | $14.21M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Millennium Management ✦ | 583.57K | -17.3% | $12.83M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 21 | Nuveen, LLC | 563.27K | n/a | $12.38M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 22 | Aberdeen Group plc | 547.03K | n/a | $12.02M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | UBS Group AG | 417.83K | n/a | $9.18M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 24 | Bank of New York Mellon Corp | 349.75K | n/a | $7.69M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 25 | JPMorgan Chase ✦ | 341.63K | -52.4% | $7.51M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 26 | AQR Capital Management ✦ | 339.58K | -18.2% | $7.46M | 0.0% | ▼ Trim | 7 | SEC ↗ ×6 |
| 27 | Principal Financial Group Inc | 324.26K | n/a | $7.13M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 28 | Voya Investment Management Llc | 319.53K | n/a | $7.02M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 29 | Quantinno Capital Management LP | 292.51K | n/a | $6.43M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Invesco Ltd. | 277.72K | n/a | $6.10M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 31 | Balyasny Asset Management L.P. | 262.79K | n/a | $5.78M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Alliancebernstein L.P. | 234.29K | n/a | $5.15M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Envestnet Asset Management Inc | 221.65K | n/a | $4.87M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Jane Street Group, Llc | 209.97K | n/a | $4.62M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 35 | Royal Bank Of Canada | 208.53K | n/a | $4.58M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 36 | Hrt Financial Lp | 185.58K | n/a | $4.08M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 37 | Rhumbline Advisers | 184.22K | n/a | $4.05M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Adage Capital Partners ✦ | 183.00K | New | $4.02M | 0.0% | New | 1 | SEC ↗ |
| 39 | Canada Pension Plan Investment Board | 177.60K | n/a | $3.90M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Legal & General Group Plc | 171.86K | n/a | $3.78M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 41 | UBS AM, a distinct business unit of… | 164.90K | n/a | $3.62M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 42 | Arrowstreet Capital ✦ | 135.75K | New | $2.98M | 0.0% | New | 1 | SEC ↗ |
| 43 | Swiss National Bank | 133.30K | n/a | $2.93M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Susquehanna International Group, Llp | 130.32K | n/a | $2.86M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Ameriprise Financial Inc | 128.72K | n/a | $2.83M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 46 | Russell Investments Group, Ltd. | 128.66K | n/a | $2.83M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 47 | Raymond James Financial Inc | 120.17K | n/a | $2.64M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 48 | Tudor Investment Corp Et Al | 108.06K | n/a | $2.38M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Sei Investments Co | 106.60K | n/a | $2.34M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 50 | Wellington Management ✦ | 98.31K | New | $2.16M | 0.0% | New | 1 | SEC ↗ |
| 51 | Universal- Beteiligungs- und… | 89.09K | n/a | $1.96M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Wells Fargo & Company/Mn | 84.41K | n/a | $1.86M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 53 | New York State Common Retirement… | 1.36M | n/a | $1.80M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 54 | Cerity Partners LLC | 76.77K | n/a | $1.69M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 55 | Zurcher Kantonalbank (Zurich… | 74.02K | n/a | $1.63M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Hsbc Holdings Plc | 73.11K | n/a | $1.62M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 57 | Prudential Financial Inc | 65.01K | n/a | $1.43M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | California State Teachers… | 64.41K | n/a | $1.42M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 61.44K | n/a | $1.35M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Group One Trading Llc | 60.74K | n/a | $1.33M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | T. Rowe Price ✦ | 56.81K | -13.7% | $1.25M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 62 | Norges Bank ✦ (passive) | 54.31K | New | $1.19M | 0.0% | New | 1 | SEC ↗ |
| 63 | Deutsche Bank Ag\ | 54.23K | n/a | $1.19M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 64 | State Of Wisconsin Investment Board | 43.09K | n/a | $947,118 | 0.0% | n/c | 1 | SEC ↗ |
| 65 | LPL Financial LLC | 39.59K | n/a | $870,188 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Mariner, LLC | 35.53K | n/a | $780,986 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Corient Private Wealth LP | 35.28K | n/a | $735,876 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 68 | American Century Companies Inc | 32.76K | n/a | $720,065 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Janus Henderson Group Plc | 29.81K | n/a | $655,395 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Manufacturers Life Insurance… | 29.72K | n/a | $653,246 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Amundi | 29.45K | n/a | $647,201 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 72 | Truist Financial Corp | 28.17K | n/a | $619,198 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 73 | Franklin Resources Inc | 27.90K | n/a | $613,176 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 74 | Stifel Financial Corp | 27.48K | n/a | $604,130 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 75 | Cwm, Llc | 24.45K | n/a | $537,000 | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Pnc Financial Services Group, Inc. | 22.35K | n/a | $491,186 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 77 | Wealth Enhancement Advisory… | 18.69K | n/a | $440,024 | 0.0% | n/c | 1 | SEC ↗ |
| 78 | State Board Of Administration Of… | 18.55K | n/a | $407,773 | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Bank Of Montreal /Can/ | 18.52K | n/a | $407,114 | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 80 | Citigroup Inc | 18.37K | n/a | $403,728 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 81 | Holocene Advisors, LP | 16.42K | n/a | $360,868 | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Neuberger Berman Group LLC | 15.98K | n/a | $351,197 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 83 | ProShare Advisors LLC | 13.19K | n/a | $289,806 | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Captrust Financial Advisors | 13.11K | n/a | $288,180 | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Man Group plc | 12.78K | n/a | $280,948 | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Mercer Global Advisors Inc /Adv | 11.29K | n/a | $248,243 | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Cetera Investment Advisers | 10.94K | n/a | $240,389 | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Victory Capital Management Inc | 9.77K | n/a | $214,767 | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Focus Partners Wealth | 9.55K | n/a | $209,821 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Creative Planning | 9.48K | n/a | $208,326 | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Walleye Trading LLC | 9.36K | n/a | $205,689 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Ensign Peak Advisors, Inc | 5.03K | n/a | $110,603 | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Osaic Holdings, Inc. | 2.62K | n/a | $57,493 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 94 | Us Bancorp \De\ | 2.02K | n/a | $44,376 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 95 | Assetmark, Inc | 1.75K | n/a | $38,465 | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Jones Financial Companies Lllp | 1.56K | n/a | $34,333 | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Fifth Third Bancorp | 1.04K | n/a | $22,837 | 0.0% | n/c | 1 | SEC ↗ |
| 98 | BNP Paribas Asset Management… | 979 | n/a | $22,000 | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Northwestern Mutual Wealth… | 686 | n/a | $15,078 | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Rockefeller Capital Management L.P. | 627 | n/a | $13,782 | 0.0% | n/c | 1 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $19.24M | 0.0% |
| Adage Capital Partners | $4.02M | 0.0% |
| Arrowstreet Capital | $2.98M | 0.0% |
| Wellington Management | $2.16M | 0.0% |
| Norges Bank | $1.19M | 0.0% |
Exited
| Renaissance Technologies | $1.96M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 51.40K shares, $985 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 06
SC 13G/A: Voya Financial, Inc.
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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