Security record
IRWD
Ironwood Pharmaceuticals, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
88Tracked holders
-4Δ holders
110.50MShares held
$465.13MReported value
+4New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth -4.3% ·
share flow -11.8% ·
net new positions -4.5%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
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 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 17.79M | +33.1% | $74.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | State Street Global Advisors ✦ (passive) | 8.81M | +18.1% | $37.09M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 13 | Bank Of America Corp /De/ | 8.68M | 0.0% | $36.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Bank Of America Corp /De/ | 8.68M | 0.0% | $36.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Renaissance Technologies ✦ | 7.99M | -0.8% | $33.65M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 16 | Vanguard Capital Management Llc | 6.61M | +8.4% | $27.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 6.47M | -14.2% | $27.22M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 6.47M | -14.2% | $27.22M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 6.47M | -14.2% | $27.22M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 6.47M | -14.2% | $27.22M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 6.47M | -14.2% | $27.22M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 6.47M | -14.2% | $27.22M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 6.47M | -14.2% | $27.22M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 4.83M | +6.3% | $20.35M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 25 | Geode Capital Management ✦ (passive) | 4.83M | +6.3% | $20.35M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 26 | Two Sigma Investments ✦ | 4.56M | -22.1% | $19.18M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 27 | Marshall Wace ✦ | 4.29M | -5.2% | $18.06M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 28 | Marshall Wace ✦ | 4.29M | -5.2% | $18.06M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 29 | Goldman Sachs Group ✦ | 3.31M | +23.2% | $13.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 30 | Goldman Sachs Group ✦ | 3.31M | +23.2% | $13.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 31 | Charles Schwab Investment… | 3.30M | -30.3% | $13.90M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Federated Hermes, Inc. | 3.23M | -3.5% | $13.60M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Federated Hermes, Inc. | 3.23M | -3.5% | $13.60M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | Arrowstreet Capital ✦ | 3.02M | -11.2% | $12.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | Dimensional Fund Advisors Lp | 2.52M | +21.2% | $10.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Dimensional Fund Advisors Lp | 2.52M | +21.2% | $10.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Dimensional Fund Advisors Lp | 2.52M | +21.2% | $10.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Dimensional Fund Advisors Lp | 2.52M | +21.2% | $10.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Mackenzie Financial Corp | 2.37M | +322.7% | $9.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 1.86M | +125.5% | $7.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 1.86M | +125.5% | $7.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 1.86M | +125.5% | $7.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 1.86M | +125.5% | $7.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 1.86M | +125.5% | $7.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.86M | +125.5% | $7.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.86M | +125.5% | $7.83M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 47 | Connor, Clark & Lunn Investment… | 1.81M | -1.3% | $7.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Connor, Clark & Lunn Investment… | 1.81M | -1.3% | $7.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Northern Trust Corp | 1.37M | +8.5% | $5.78M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Northern Trust Corp | 1.37M | +8.5% | $5.78M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Northern Trust Corp | 1.37M | +8.5% | $5.78M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Wells Fargo & Company/Mn | 1.21M | +1949.6% | $5.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Wells Fargo & Company/Mn | 1.21M | +1949.6% | $5.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Deutsche Bank Ag\ | 1.16M | +3.0% | $4.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Deutsche Bank Ag\ | 1.16M | +3.0% | $4.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Pacer Advisors, Inc. | 1.10M | -3.4% | $4.61M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Franklin Resources Inc | 1.01M | +35.2% | $4.24M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Franklin Resources Inc | 1.01M | +35.2% | $4.24M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Franklin Resources Inc | 1.01M | +35.2% | $4.24M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Franklin Resources Inc | 1.01M | +35.2% | $4.24M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Fidelity (FMR) ✦ | 909.49K | +15.1% | $3.83M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 62 | Fidelity (FMR) ✦ | 909.49K | +15.1% | $3.83M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 63 | State Of Wisconsin Investment Board | 778.51K | +30.1% | $3.28M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Raymond James Financial Inc | 725.09K | -5.1% | $3.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | Raymond James Financial Inc | 725.09K | -5.1% | $3.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Raymond James Financial Inc | 725.09K | -5.1% | $3.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 67 | Victory Capital Management Inc | 658.46K | -7.7% | $2.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Hrt Financial Lp | 577.34K | New | $2.43M | 0.0% | New | 1 | SEC ↗ |
| 69 | Prudential Financial Inc | 537.20K | +19.4% | $2.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Prudential Financial Inc | 537.20K | +19.4% | $2.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Bank of New York Mellon Corp | 508.88K | +5.1% | $2.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Bank of New York Mellon Corp | 508.88K | +5.1% | $2.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Bank of New York Mellon Corp | 508.88K | +5.1% | $2.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | Citadel Advisors ✦ | 502.40K | +324.8% | $2.12M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 75 | Voya Investment Management Llc | 484.45K | +232.2% | $2.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Voya Investment Management Llc | 484.45K | +232.2% | $2.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Voya Investment Management Llc | 484.45K | +232.2% | $2.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Wellington Management ✦ | 468.82K | +3.4% | $1.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Wellington Management ✦ | 468.82K | +3.4% | $1.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Wellington Management ✦ | 468.82K | +3.4% | $1.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Sei Investments Co | 459.42K | -38.1% | $1.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Sei Investments Co | 459.42K | -38.1% | $1.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Invesco Ltd. | 403.21K | -26.3% | $1.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Invesco Ltd. | 403.21K | -26.3% | $1.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Invesco Ltd. | 403.21K | -26.3% | $1.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Invesco Ltd. | 403.21K | -26.3% | $1.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Man Group plc | 392.12K | -27.5% | $1.65M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | UBS Group AG | 389.53K | -58.3% | $1.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 89 | UBS Group AG | 389.53K | -58.3% | $1.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 90 | UBS Group AG | 389.53K | -58.3% | $1.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | BNP Paribas Asset Management… | 375.29K | 0.0% | $1.58M | 0.0% | Held | 2 | SEC ↗ |
| 92 | Nuveen, LLC | 355.37K | +52.2% | $1.50M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Nuveen, LLC | 355.37K | +52.2% | $1.50M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Qube Research & Technologies Ltd | 347.99K | -78.1% | $1.47M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Robeco Institutional Asset… | 343.00K | 0.0% | $1.44M | 0.0% | Held | 3 | SEC ↗ |
| 96 | Citigroup Inc | 226.82K | +475.6% | $954,929 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Citigroup Inc | 226.82K | +475.6% | $954,929 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | Russell Investments Group, Ltd. | 224.82K | -14.1% | $946,495 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Russell Investments Group, Ltd. | 224.82K | -14.1% | $946,495 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Russell Investments Group, Ltd. | 224.82K | -14.1% | $946,495 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Hrt Financial Lp | $2.43M | 0.0% |
Exited
| Balyasny Asset Management L.P. | $18.05M | was 0.0% |
| Millennium Management | $1.60M | was 0.0% |
| Tidal Investments LLC | $1.07M | was 0.0% |
| Cibc World Market Inc. | $250,368 | was 0.0% |
| Bank Of Montreal /Can/ | $220,253 | was 0.0% |
| Universal- Beteiligungs- und… | $197,023 | was 0.0% |
| Simplex Trading, Llc | $62,211 | was 0.0% |
| Gotham Asset Management | $37,406 | 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.
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 2026 ·
Methodology ·
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