SPMD
State Street SPDR Portfolio S&P 400 Mid Cap ETF · Financial Services · Asset Management
Momentum inputs (comparable managers):
holder breadth -16.7% ·
share flow -15.2% ·
net new positions -20.0%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 63 | 0 | 153.48M | $10.36B | +4 | −4 |
| Q1 2026 | 64 | +2 | 143.48M | $8.49B | +5 | −3 |
| Q4 2025 | 62 | +1 | 142.46M | $8.25B | +2 | −1 |
| Q3 2025 | 7 | -1 | 4.74M | $271.24M | — | −1 |
| Q2 2025 | 5 | 0 | 219.59K | $11.94M | — | — |
| Q1 2025 | 3 | -1 | 125.53K | $6.42M | — | −1 |
| Q4 2024 | 4 | -1 | 150.35K | $8.22M | +1 | −2 |
| Q3 2024 | 5 | -1 | 167.46K | $9.16M | +1 | −2 |
| Q2 2024 | 6 | — | 197.41K | $10.13M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | D. E. Shaw & Co. ✦ | 58.71K | +40.8% | $3.21M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Citadel Advisors ✦ | 46.68K | -60.5% | $2.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | AQR Capital Management ✦ | 31.27K | +162.9% | $1.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | AQR Capital Management ✦ | 31.27K | +162.9% | $1.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Two Sigma Investments ✦ | 26.50K | New | $1.45M | 0.0% | New | 1 | SEC ↗ |
| 6 | Renaissance Technologies ✦ | 4.30K | +10.3% | $235,124 | 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
| Two Sigma Investments | $1.45M | 0.0% |
Exited
| Millennium Management | $896,878 | was 0.0% |
| Marshall Wace | $210,689 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 803 holders, 236.23M shares, $12.72B 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.