ISSC
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All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 55 | +2 | 6.90M | $124.13M | +13 | −11 |
| Q1 2026 | 53 | +7 | 6.35M | $130.36M | +9 | −2 |
| Q4 2025 | 46 | +1 | 6.09M | $115.34M | +1 | — |
| Q3 2025 | 13 | +1 | 3.29M | $41.03M | +1 | — |
| Q2 2025 | 10 | 0 | 2.22M | $30.82M | — | — |
| Q1 2025 | 8 | 0 | 1.26M | $7.94M | — | — |
| Q4 2024 | 8 | +3 | 1.03M | $8.82M | +3 | — |
| Q3 2024 | 4 | -1 | 677.76K | $4.42M | — | −1 |
| Q2 2024 | 5 | — | 712.84K | $4.28M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 408.48K | — | $2.45M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | GAMCO Investors ✦ | 126.85K | — | $761,124 | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 122.67K | — | $736,161 | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 122.67K | — | $736,161 | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Millennium Management ✦ | 31.33K | — | $187,980 | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 23.51K | — | $141,078 | 0.0% | n/c | 1 | SEC ↗ |
“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
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 122 holders, 9.65M shares, $188.14M 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.