SPOK
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -16.7% ·
share flow -3.7% ·
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 Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | +1 | 13.41K | $148,370 | +1 | n/a |
| Q2 2026 | 58 | -3 | 8.25M | $84.51M | +2 | −6 |
| Q1 2026 | 64 | 0 | 8.35M | $91.13M | +2 | −2 |
| Q4 2025 | 64 | 0 | 9.26M | $122.14M | +1 | −1 |
| Q3 2025 | 16 | 0 | 6.46M | $111.43M | n/a | n/a |
| Q2 2025 | 13 | +2 | 5.21M | $92.16M | +2 | n/a |
| Q1 2025 | 8 | +3 | 2.28M | $37.51M | +3 | n/a |
| Q4 2024 | 5 | -1 | 2.01M | $32.30M | n/a | −1 |
| Q3 2024 | 5 | +1 | 1.65M | $24.86M | +1 | n/a |
| Q2 2024 | 4 | n/a | 1.52M | $22.55M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 975.65K | -2.4% | $15.66M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 514.43K | +1.3% | $8.26M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 3 | State Street Global Advisors ✦ (passive) | 438.59K | n/a | $7.04M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Millennium Management ✦ | 52.93K | +37.9% | $849,510 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 30.81K | -62.6% | $494,532 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Two Sigma Investments | $333,052 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 137 holders, 10.42M shares, $110.26M 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 8.32K sh · $93,870
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology