Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in TIGO held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | DODGE & COX | 8.2M | $611.7M | +0.4% | 4.872% | 0.34% |
| 2 | BlackRock, Inc. | 6.0M | $449.7M | +10.6% | 3.582% | 0.01% |
| 3 | BRANDES INVESTMENT PARTNERS, LP | 3.3M | $244.4M | -32.6% | 1.946% | 1.73% |
| 4 | BARCLAYS PLC | 2.9M | $220.6M | +2.9% | 1.757% | 0.09% |
| 5 | STATE STREET CORP | 2.3M | $170.6M | -0.1% | 1.359% | 0.01% |
| 6 | Perpetual Ltd | 1.8M | $131.9M | -14.1% | 1.050% | 2.02% |
| 7 | Swedbank AB | 1.6M | $120.3M | -20.3% | 0.959% | 0.13% |
| 8 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.4M | $105.3M | +1022.9% | 0.839% | 0.35% |
| 9 | Tredje AP-fonden | 1.3M | $94.4M | +15.5% | 0.752% | 0.52% |
| 10 | NORTHERN TRUST CORP | 1.2M | $92.1M | -1.9% | 0.733% | 0.01% |
| 11 | GOLDMAN SACHS GROUP INC | 1.2M | $90.7M | +169.0% | 0.723% | 0.01% |
| 12 | Marathon Asset Management Ltd | 1.1M | $83.0M | +0.6% | 0.661% | 3.18% |
| 13 | Qube Research & Technologies Ltd | 964K | $72.2M | +13.3% | 0.575% | 0.09% |
| 14 | UBS Group AG | 949K | $71.2M | +166.5% | 0.567% | 0.01% |
| 15 | MARSHALL WACE, LLP | 924K | $69.3M | +5545.2% | 0.552% | 0.08% |
| 16 | VICTORY CAPITAL MANAGEMENT INC | 883K | $66.2M | +9.0% | 0.527% | 0.04% |
| 17 | AMERICAN CENTURY COMPANIES INC | 878K | $65.8M | +1289.6% | 0.524% | 0.03% |
| 18 | Cullen Capital Management, LLC | 828K | $62.0M | +26.1% | 0.494% | 0.64% |
| 19 | BNP Paribas Asset Management Holding S.A. | 807K | $60.5M | -20.2% | 0.482% | 0.07% |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | 788K | $59.1M | +1.5% | 0.471% | 0.00% |
| 21 | MORGAN STANLEY | 778K | $58.3M | -8.2% | 0.465% | 0.00% |
| 22 | TD ASSET MANAGEMENT INC | 760K | $56.9M | β | 0.453% | 0.05% |
| 23 | FIRST TRUST ADVISORS LP | 731K | $54.8M | -18.1% | 0.437% | 0.04% |
| 24 | DEUTSCHE BANK AG\ | 649K | $48.6M | -10.5% | 0.387% | 0.02% |
| 25 | VANGUARD PORTFOLIO MANAGEMENT LLC | 630K | $47.2M | β | 0.376% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in TIGO β a direct measure of their conviction.
Filings activity in TIGO during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new TIGO position in Q1 2026
Institutions that fully closed their TIGO position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 364 | +13% | 30.50% | +5.25 pp | $4.79B | +21% |
| Q4 2025 | 322 | +26% | 25.25% | +5.77 pp | $3.97B | +30% |
| Q3 2025 | 256 | +20% | 19.48% | +6.63 pp | $3.06B | +52% |
| Q2 2025 | 213 | +27% | 12.85% | +3.91 pp | $2.02B | +44% |
| Q1 2025 | 168 | +73% | 8.94% | +7.22 pp | $1.40B | +420% |
| Q4 2024 | 97 | +2.1% | 1.72% | +0.39 pp | $270M | +29% |
| Q3 2024 | 95 | +2.2% | 1.33% | +0.05 pp | $209M | +4.3% |
| Q2 2024 | 93 | β | 1.28% | β | $201M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying TIGO stock.
Based on Q1 2026 13F filings, institutional ownership of Millicom International Cellular S.A. stands at 30.5%, held across 364 reporting institutions.
DODGE & COX is the largest reported institutional holder of TIGO, with approximately 8,162,432 shares worth $0.61B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of TIGO.
Our composite Smart Money Score for TIGO is 55 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
94 institutions opened new positions in TIGO during Q1 2026, while 52 fully exited. 226 added to existing positions and 43 trimmed.
TIGO institutional ownership rose by 5.25 percentage points quarter-over-quarter, with a net change of +42 holders.
The top 10 institutions account for 46.8% of all reported 13F value in TIGO, and the top 25 account for 66.9%.
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.