Security record · archived quarter
IRWD
Ironwood Pharmaceuticals, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
85Tracked holders
+2Δ holders
100.81MShares held
$339.86MReported value
+2New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +2.4% ·
share flow +3.9% ·
net new positions +2.4%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 86 | -4 | 110.46M | $464.92M | +4 | −10 |
| 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 |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 15.96M | -0.7% | $53.78M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 2 | BlackRock ✦ (passive) | 12.78M | +6.0% | $43.08M | 0.0% | ▲ Add | 3 | SEC ↗ ×10 |
| 3 | Bank Of America Corp /De/ | 11.52M | n/a | $38.83M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 4 | Renaissance Technologies ✦ | 8.20M | -1.8% | $27.65M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 5 | Charles Schwab Investment… | 4.98M | n/a | $16.77M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | AQR Capital Management ✦ | 4.72M | -12.2% | $15.92M | 0.0% | ▼ Trim | 7 | SEC ↗ ×6 |
| 7 | Marshall Wace ✦ | 4.42M | +40.7% | $14.91M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 8 | State Street Global Advisors ✦ (passive) | 4.41M | +39.8% | $14.87M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | Geode Capital Management ✦ (passive) | 3.62M | +0.2% | $12.21M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 10 | Federated Hermes, Inc. | 3.32M | n/a | $11.18M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 11 | Two Sigma Investments ✦ | 2.85M | +12.6% | $9.62M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 12 | Jane Street Group, Llc | 2.82M | n/a | $9.50M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 13 | Connor, Clark & Lunn Investment… | 1.99M | n/a | $6.71M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Qube Research & Technologies Ltd | 1.68M | n/a | $5.67M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Goldman Sachs Group ✦ | 1.28M | +17.6% | $4.30M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 16 | Northern Trust Corp | 1.23M | n/a | $4.16M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 17 | Deutsche Bank Ag\ | 1.11M | n/a | $3.74M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 18 | Lazard Asset Management Llc | 1.00M | n/a | $3.37M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Raymond James Financial Inc | 869.83K | n/a | $2.93M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 20 | Morgan Stanley ✦ | 739.68K | +55.0% | $2.49M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 21 | Fidelity (FMR) ✦ | 686.74K | +22.6% | $2.31M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 22 | Sei Investments Co | 673.86K | n/a | $2.27M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 23 | Amundi | 642.83K | n/a | $2.17M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Millennium Management ✦ | 560.71K | +124.2% | $1.89M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 25 | UBS Group AG | 510.54K | n/a | $1.72M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 26 | Bank of New York Mellon Corp | 510.21K | n/a | $1.72M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 27 | Wellington Management ✦ | 503.94K | New | $1.70M | 0.0% | New | 1 | SEC ↗ ×3 |
| 28 | Invesco Ltd. | 449.22K | n/a | $1.51M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 29 | Susquehanna International Group, Llp | 448.80K | n/a | $1.51M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 30 | Arrowstreet Capital ✦ | 412.06K | New | $1.39M | 0.0% | New | 1 | SEC ↗ |
| 31 | Barclays Plc | 392.90K | n/a | $1.32M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 32 | Franklin Resources Inc | 385.58K | n/a | $1.30M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 33 | Robeco Institutional Asset… | 343.00K | n/a | $1.16M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Cerity Partners LLC | 338.51K | n/a | $1.14M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 35 | Dimensional Fund Advisors Lp | 330.84K | n/a | $1.11M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 36 | Russell Investments Group, Ltd. | 265.36K | n/a | $893,711 | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 37 | Cwm, Llc | 232.98K | n/a | $785,000 | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Citadel Advisors ✦ | 223.97K | -65.2% | $754,775 | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 39 | JPMorgan Chase ✦ | 214.61K | -4.3% | $723,226 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 40 | Rhumbline Advisers | 199.91K | n/a | $673,677 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Alliancebernstein L.P. | 199.52K | n/a | $672,382 | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Wealth Enhancement Advisory… | 155.52K | n/a | $664,933 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Canada Pension Plan Investment Board | 188.00K | n/a | $633,560 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | State Of Wisconsin Investment Board | 180.04K | n/a | $606,735 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Wells Fargo & Company/Mn | 176.58K | n/a | $595,082 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 46 | Creative Planning | 162.07K | n/a | $546,193 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Prudential Financial Inc | 141.13K | n/a | $475,605 | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Nuveen, LLC | 139.49K | n/a | $470,071 | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Ameriprise Financial Inc | 119.97K | n/a | $404,296 | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Quantinno Capital Management LP | 118.89K | n/a | $400,669 | 0.0% | n/c | 1 | SEC ↗ |
| 51 | D. E. Shaw & Co. ✦ | 117.45K | -68.5% | $395,793 | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 52 | Mariner, LLC | 114.12K | n/a | $384,196 | 0.0% | n/c | 1 | SEC ↗ |
| 53 | T. Rowe Price ✦ | 99.36K | +23.9% | $335,000 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 54 | Squarepoint Ops LLC | 88.88K | n/a | $299,526 | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Universal- Beteiligungs- und… | 79.01K | n/a | $266,274 | 0.0% | n/c | 1 | SEC ↗ |
| 56 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 78.10K | n/a | $263,056 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 57 | Mercer Global Advisors Inc /Adv | 76.95K | n/a | $259,325 | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Cibc World Market Inc. | 71.33K | n/a | $240,385 | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Balyasny Asset Management L.P. | 65.16K | n/a | $219,576 | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Captrust Financial Advisors | 63.82K | n/a | $215,080 | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Man Group plc | 47.66K | n/a | $160,611 | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Manufacturers Life Insurance… | 47.59K | n/a | $160,372 | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Hsbc Holdings Plc | 46.87K | n/a | $157,724 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 64 | Focus Partners Wealth | 43.97K | n/a | $148,162 | 0.0% | n/c | 1 | SEC ↗ |
| 65 | New York State Common Retirement… | 41.87K | n/a | $141,099 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | ProShare Advisors LLC | 36.31K | n/a | $122,381 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Mirae Asset Global Investments Co.… | 36.09K | n/a | $121,623 | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Bnp Paribas Financial Markets | 32.45K | n/a | $109,370 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Voya Investment Management Llc | 28.76K | n/a | $96,918 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Commonwealth Equity Services, Llc | 26.48K | n/a | $89,230 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Victory Capital Management Inc | 18.04K | n/a | $60,802 | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Legal & General Group Plc | 16.69K | n/a | $56,246 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | HighTower Advisors, LLC | 16.15K | n/a | $54,426 | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Citigroup Inc | 15.50K | n/a | $52,238 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 75 | Neuberger Berman Group LLC | 14.85K | n/a | $50,051 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 76 | Cetera Investment Advisers | 11.95K | n/a | $40,269 | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Mackenzie Financial Corp | 11.54K | n/a | $38,366 | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Fisher Asset Management ✦ | 10.00K | 0.0% | $33,700 | 0.0% | Held | 3 | SEC ↗ |
| 79 | California State Teachers… | 9.85K | n/a | $33,198 | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Royal Bank Of Canada | 5.31K | n/a | $18,000 | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 81 | Osaic Holdings, Inc. | 3.40K | n/a | $11,454 | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Jones Financial Companies Lllp | 1.68K | n/a | $5,672 | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Optiver Holding B.V. | 938 | n/a | $3,161 | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Daiwa Securities Group Inc. | 573 | n/a | $2,000 | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Rockefeller Capital Management L.P. | 548 | n/a | $1,847 | 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
| Wellington Management | $1.70M | 0.0% |
| Arrowstreet Capital | $1.39M | 0.0% |
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.
Aug 14
SC 13G/A: ARMISTICE CAPITAL, LLC
Aug 07
SC 13G: STATE STREET CORP
Jul 28
SC 13G/A: BlackRock, Inc.
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: Q4 2025 ·
Methodology ·
Get this via the API