Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
646 institutional managers reported holding SBAC for the quarter ended Mar 31, 2026. Together they hold about 93% of shares outstanding; the top 10 hold 55%. 86 opened new positions; 112 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 17.76M | 16.74% | $3.06B | trimmed -0.9% | ≤2013 |
| Dodge & Cox | 12.08M | 11.38% | $2.08B | added +0.7% | 2024 Q3 |
| BlackRock | 10.12M | 9.53% | $1.74B | added +2.2% | ≤2013 |
| State Street | 4.96M | 4.68% | $854.3M | added +1% | ≤2013 |
| Geode Capital | 3.15M | 2.97% | $542.3M | added +2.1% | ≤2013 |
| Cohen & Steers | 3.13M | 2.95% | $539.5M | trimmed -9.2% | 2016 Q3 |
| Invesco | 1.96M | 1.85% | $338.1M | added +8.2% | ≤2013 |
| Diamond Hill Capital Management INC | 1.93M | 1.82% | $333.1M | trimmed -4.9% | 2021 Q1 |
| UBS | 1.81M | 1.71% | $312.2M | added +168.8% | ≤2013 |
| Arrowstreet Capital | 1.62M | 1.52% | $278.1M | added +47.8% | 2024 Q1 |
| Dimensional Fund Advisors | 1.61M | 1.52% | $277.7M | added +3% | ≤2013 |
| Charles Schwab Investment Management | 1.58M | 1.49% | $271.7M | added +3.4% | ≤2013 |
| Legal & General Group PLC | 1.51M | 1.42% | $259.6M | added +0.6% | ≤2013 |
| Mitsubishi UFJ Asset Management CO., LTD. | 1.31M | 1.24% | $226.2M | added +24.5% | ≤2013 |
| Nordea Investment Management AB | 1.27M | 1.19% | $217.9M | added +1.6% | 2018 Q3 |
| Morgan Stanley | 1.12M | 1.05% | $192.3M | trimmed -18.9% | ≤2013 |
| Atlas Infrastructure Partners (UK) LTD. (focused) | 1.03M | 0.97% | $178.1M | opened | 2026 Q1 |
| Ameriprise Financial INC | 1.01M | 0.95% | $173.9M | trimmed -20.2% | ≤2013 |
| Bank OF America CORP /DE/ | 1.01M | 0.95% | $173.1M | added +41.7% | ≤2013 |
| Northern Trust | 983.4k | 0.93% | $169.3M | trimmed -3% | ≤2013 |
| Rush Island Management, LP (focused) | 978.4k | 0.92% | $168.5M | trimmed -16.9% | 2024 Q3 |
| Goldman Sachs | 944.3k | 0.89% | $162.6M | trimmed -23.8% | ≤2013 |
| CPP Investment Board | 907.8k | 0.86% | $156.3M | added +4% | ≤2013 |
| Earnest Partners LLC | 784.1k | 0.74% | $135.0M | trimmed -0.7% | 2013 Q4 |
| Woodline Partners LP | 765.5k | 0.72% | $131.8M | added +38856% | 2024 Q4 |
| FMR (Fidelity) | 706.5k | 0.67% | $121.6M | trimmed -5.2% | ≤2013 |
| Amundi | 696.5k | 0.66% | $119.9M | trimmed -15.4% | ≤2013 |
| SEI Investments CO | 672.1k | 0.63% | $115.7M | added +7.1% | ≤2013 |
| DigitalBridge Group, INC. | 583.2k | 0.55% | $100.4M | added +22.1% | 2022 Q3 |
| Permit Capital, LLC (focused) | 575.3k | 0.54% | $99.1M | unchanged | ≤2013 |
| Qube Research & Technologies LTD | 556.4k | 0.52% | $95.8M | opened | 2026 Q1 |
| BNY Mellon | 544.8k | 0.51% | $93.8M | trimmed -4.9% | ≤2013 |
| Two Sigma | 482.6k | 0.46% | $83.1M | added +70.5% | ≤2013 |
| Deutsche Bank AG\ | 479.2k | 0.45% | $82.5M | trimmed -69.9% | ≤2013 |
| SG Americas Securities, LLC | 469.9k | 0.44% | $80.9M | added +170.6% | ≤2013 |
| Citadel Advisors | 405.4k | 0.38% | $69.8M | added +4% | ≤2013 |
| Bristol John W & CO INC /NY/ | 387.4k | 0.36% | $66.7M | added +22.7% | 2023 Q3 |
| Engineers Gate Manager LP | 376.3k | 0.35% | $64.8M | added +24.3% | 2023 Q1 |
| Mirae Asset Global Etfs Holdings LTD. | 361.2k | 0.34% | $62.2M | added +107.7% | 2019 Q1 |
| BNP Paribas Financial Markets | 355.1k | 0.34% | $61.1M | added +48.6% | ≤2013 |
| CI Investments INC. | 343.8k | 0.32% | $59.2M | added +3.3% | 2018 Q2 |
| Barclays PLC | 333.3k | 0.31% | $57.4M | added +14.3% | ≤2013 |
| Thrivent Financial for Lutherans | 328.9k | 0.31% | $56.6M | trimmed -11.6% | 2017 Q4 |
| Reaves W H & CO INC | 322.5k | 0.30% | $55.5M | trimmed -11% | 2017 Q2 |
| Swiss National Bank | 312.6k | 0.29% | $53.8M | added +6.3% | ≤2013 |
| Russell Investments Group, LTD. | 285.6k | 0.27% | $49.2M | trimmed -28.3% | 2016 Q4 |
| Commonwealth OF Pennsylvania Public School Empls Retrmt SYS | 267.7k | 0.25% | $46.1M | added +5.7% | 2017 Q3 |
| CalPERS | 244.8k | 0.23% | $42.1M | trimmed -11.2% | ≤2013 |
| Rhumbline Advisers | 236.6k | 0.22% | $40.7M | trimmed -1.1% | ≤2013 |
| Nuveen | 234.5k | 0.22% | $40.4M | trimmed -58.2% | ≤2013 |
Largest 50 of 646 shown; the full ranked, searchable register is at boothcheck.com/holders/SBAC. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.