Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in TMUS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 39.5M | $6.63B | +1.0% | 3.682% | 0.10% |
| 2 | Invesco Ltd. | 31.9M | $5.35B | +37.9% | 2.972% | 0.42% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 29.4M | $4.92B | -1.2% | 2.737% | 0.11% |
| 4 | STATE STREET CORP | 25.0M | $4.20B | +5.5% | 2.333% | 0.06% |
| 5 | GOLDMAN SACHS GROUP INC | 19.0M | $3.19B | +179.2% | 1.775% | 0.28% |
| 6 | MORGAN STANLEY | 14.5M | $2.44B | +0.9% | 1.354% | 0.13% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 12.8M | $2.13B | +2.6% | 1.189% | 0.11% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 10.4M | $1.74B | +4.3% | 0.966% | 0.08% |
| 9 | SOFTBANK GROUP CORP. | 10.0M | $1.68B | 0.0% | 0.932% | 9.23% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | 8.6M | $1.45B | -49.9% | 0.804% | 0.25% |
| 11 | FMR LLC | 8.2M | $1.37B | -34.9% | 0.760% | 0.06% |
| 12 | NORGES BANK | 7.9M | $1.33B | — | 0.737% | 0.13% |
| 13 | FRANKLIN RESOURCES INC | 6.7M | $1.13B | -4.8% | 0.626% | 0.24% |
| 14 | DODGE & COX | 6.3M | $1.06B | +2.9% | 0.591% | 0.56% |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 5.7M | $958.4M | +405.1% | 0.533% | 0.43% |
| 16 | JANE STREET GROUP, LLC | 5.6M | $938.9M | +3.1% | 0.522% | 0.08% |
| 17 | Bank of New York Mellon Corp | 5.0M | $839.2M | -2.2% | 0.466% | 0.14% |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 5.0M | $837.6M | +75.6% | 0.466% | 0.07% |
| 19 | BARCLAYS PLC | 4.9M | $825.1M | -25.8% | 0.459% | 0.16% |
| 20 | Nuveen, LLC | 4.8M | $812.0M | +10.7% | 0.451% | 0.19% |
| 21 | BANK OF AMERICA CORP /DE/ | 4.5M | $759.0M | +43.5% | 0.422% | 0.05% |
| 22 | TWO SIGMA INVESTMENTS, LP | 4.4M | $745.4M | +14.2% | 0.414% | 0.54% |
| 23 | AQR CAPITAL MANAGEMENT LLC | 4.5M | $744.2M | +66.3% | 0.417% | 0.26% |
| 24 | NORTHERN TRUST CORP | 4.4M | $739.7M | -4.0% | 0.411% | 0.09% |
| 25 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 4.1M | $683.7M | +1.1% | 0.380% | 0.12% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in TMUS — a direct measure of their conviction.
Filings activity in TMUS during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,668 | 3.0% | 45.65% | +2.34 pp | $76.40B | 16% |
| Q1 2026 | 1,719 | +2.0% | 43.31% | +0.68 pp | $90.88B | +2.5% |
| Q4 2025 | 1,685 | 0.1% | 42.63% | +0.17 pp | $88.69B | 17% |
| Q3 2025 | 1,687 | 1.9% | 42.46% | 0.28 pp | $106.70B | 0.9% |
| Q2 2025 | 1,719 | +0.2% | 42.74% | +0.27 pp | $107.72B | 10% |
| Q1 2025 | 1,716 | +7.5% | 42.47% | 1.00 pp | $120.13B | +17% |
| Q4 2024 | 1,597 | +9.7% | 43.47% | +0.17 pp | $103.00B | +6.0% |
| Q3 2024 | 1,456 | — | 43.30% | — | $97.17B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying TMUS stock.
Based on Q2 2026 13F filings, institutional ownership of T-Mobile US, Inc. stands at 45.6%, held across 1,668 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of TMUS, with approximately 39,499,642 shares worth $6.63B as of Q2 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of TMUS, including JANE STREET GROUP, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for TMUS is 60 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
144 institutions opened new positions in TMUS during Q2 2026, while 210 fully exited. 270 added to existing positions and 1,198 trimmed.
TMUS institutional ownership rose by 2.34 percentage points quarter-over-quarter, with a net change of -51 holders.
The top 10 institutions account for 44.1% of all reported 13F value in TMUS, and the top 25 account for 62.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
T-Mobile US, Inc. (TMUS) Institutional Ownership