BIL
State Street SPDR Bloomberg 1-3 Month T-Bill ETF · Financial Services · Asset Management - Bonds
Momentum inputs (comparable managers):
holder breadth +14.3% ·
share flow +29.7% ·
net new positions +12.5%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 427.53K | $36.18M | n/a | −1 |
| Q2 2026 | 79 | +3 | 141.72M | $12.98B | +6 | −5 |
| Q1 2026 | 79 | 0 | 158.95M | $14.56B | +4 | −4 |
| Q4 2025 | 77 | 0 | 134.32M | $11.90B | +2 | −2 |
| Q3 2025 | 10 | -1 | 32.04M | $2.94B | n/a | −1 |
| Q2 2025 | 9 | -1 | 4.84M | $444.18M | n/a | −1 |
| Q1 2025 | 8 | +1 | 4.13M | $379.30M | +1 | n/a |
| Q4 2024 | 7 | +1 | 3.19M | $291.44M | +1 | n/a |
| Q3 2024 | 6 | 0 | 2.04M | $187.60M | +1 | −1 |
| Q2 2024 | 6 | n/a | 1.67M | $153.66M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 1.26M | +24.3% | $115.15M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 2 | AQR Capital Management ✦ | 1.19M | +23.6% | $109.22M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 3 | Millennium Management ✦ | 679.03K | -14.9% | $62.29M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 516.74K | New | $47.40M | 0.0% | New | 1 | SEC ↗ |
| 5 | Capital World Investors ✦ | 268.33K | +11.2% | $24.61M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Gotham Asset Management ✦ | 141.33K | -15.1% | $12.96M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 77.26K | +1330.0% | $7.09M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | Fisher Asset Management ✦ | 6.29K | +112.5% | $576,811 | 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
| State Street Global Advisors | $47.40M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,297 holders, 317.85M shares, $28.51B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.