Security record · archived quarter
IRWD
Ironwood Pharmaceuticals, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
12Tracked holders
—Δ holders
17.55MShares held
$114.44MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — |
| Q3 2025 | 17 | 0 | 58.02M | $76.00M | — | — |
| 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 | — | −2 |
| Q2 2024 | 12 | — | 17.55M | $114.44M | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 8.57M | — | $55.89M | 0.1% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 3.37M | — | $21.99M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 3.37M | — | $21.99M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Norges Bank ✦ (passive) | 1.39M | — | $9.08M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Millennium Management ✦ | 1.33M | — | $8.66M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Millennium Management ✦ | 1.33M | — | $8.66M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Two Sigma Investments ✦ | 917.59K | — | $5.98M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 684.58K | — | $4.46M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 684.58K | — | $4.46M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 684.58K | — | $4.46M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 409.53K | — | $2.67M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 409.53K | — | $2.67M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | D. E. Shaw & Co. ✦ | 384.95K | — | $2.51M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 384.95K | — | $2.51M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Marshall Wace ✦ | 217.22K | — | $1.42M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Wellington Management ✦ | 109.50K | — | $713,907 | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Wellington Management ✦ | 109.50K | — | $713,907 | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Wellington Management ✦ | 109.50K | — | $713,907 | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Wellington Management ✦ | 109.50K | — | $713,907 | 0.0% | n/c | 1 | SEC ↗ |
| 20 | T. Rowe Price ✦ | 101.45K | — | $662,000 | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Gotham Asset Management ✦ | 60.16K | — | $392,243 | 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): 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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2024 ·
Methodology ·
Get this via the API