IRWD
Ironwood Pharmaceuticals, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +15.3% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 214.09K | $777,154 | n/a | n/a |
| Q2 2026 | 88 | -4 | 110.50M | $465.13M | +4 | −8 |
| Q1 2026 | 94 | +9 | 125.58M | $394.14M | +11 | −2 |
| Q4 2025 | 85 | +2 | 100.81M | $339.86M | +2 | n/a |
| Q3 2025 | 17 | 0 | 58.02M | $76.00M | n/a | n/a |
| Q2 2025 | 14 | 0 | 58.90M | $42.25M | +1 | −1 |
| Q1 2025 | 11 | 0 | 30.28M | $44.51M | +1 | −1 |
| Q4 2024 | 11 | 0 | 26.27M | $116.38M | +1 | −1 |
| Q3 2024 | 10 | -2 | 15.74M | $64.83M | n/a | −2 |
| Q2 2024 | 12 | n/a | 17.55M | $114.44M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 9.94M | +9.6% | $14.61M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | Millennium Management ✦ | 6.36M | +191.7% | $9.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 3.50M | -58.0% | $5.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 3.42M | +3.4% | $5.03M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 5 | AQR Capital Management ✦ | 2.52M | +535.8% | $3.71M | 0.0% | ▲ Add | 4 | SEC ↗ ×5 |
| 6 | Point72 Asset Management ✦ | 1.53M | +33.1% | $2.25M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Two Sigma Investments ✦ | 1.23M | +42.1% | $1.80M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 940.55K | +67.8% | $1.38M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 9 | Marshall Wace ✦ | 557.52K | New | $819,557 | 0.0% | New | 1 | SEC ↗ |
| 10 | T. Rowe Price ✦ | 171.28K | +78.6% | $252,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 109.72K | +62.0% | $161,294 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $819,557 | 0.0% |
Exited
| Norges Bank | $1.12M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 222 holders, 159.91M shares, $533.78M 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.