Ironwood Pharmaceuticals Inc (IRWD) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

178,431,250Shares Outstanding
39,674,532Shares held by institutions
$133,703,173Value of institutional holdings
83.45%Institutional ownership %
5.67%Shares Changed QoQ
164No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 164 institutions have reported a stake in Ironwood Pharmaceuticals Inc (NASDAQ:IRWD) as of September 2025, according to recent 13F filings with the SEC.

164 Institutional Holders

39,674,532 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
ARMISTICE CAPITAL, LLC 30 Sep, 2025 16,150,000 0 0.00% $21,156,500.00
VANGUARD GROUP INC 30 Sep, 2025 16,072,006 -130,123 -0.80% $21,054,327.00
Sarissa Capital Management LP 30 Sep, 2025 15,919,435 0 0.00% $20,854,460.00
BlackRock, Inc. 30 Sep, 2025 12,062,558 39,560 0.33% $15,801,953.00
BANK OF AMERICA CORP /DE/ 30 Sep, 2025 11,695,544 8,337,672 248.30% $15,321,162.00
RENAISSANCE TECHNOLOGIES LLC 30 Sep, 2025 8,352,173 -53,996 -0.64% $10,941,347.00
ACADIAN ASSET MANAGEMENT LLC 30 Sep, 2025 6,502,493 -47,194 -0.72% $8,505.00
Kynam Capital Management, LP 30 Sep, 2025 5,466,825 0 0.00% $7,161,541.00
AQR CAPITAL MANAGEMENT LLC 30 Sep, 2025 5,378,535 -787,102 -12.77% $7,045,881.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 30 Sep, 2025 4,917,336 1,253,060 34.20% $6,441,710.00
GEODE CAPITAL MANAGEMENT, LLC 30 Sep, 2025 3,614,987 115,655 3.31% $4,736,657.00
TWO SIGMA ADVISERS, LP 30 Sep, 2025 3,316,500 -67,600 -2.00% $4,344,615.00
STATE STREET CORP 30 Sep, 2025 3,156,307 48,588 1.56% $4,134,762.00
MARSHALL WACE, LLP 30 Sep, 2025 3,144,139 -849,418 -21.27% $4,118,822.00
Qube Research & Technologies Ltd 30 Sep, 2025 2,806,910 -544,092 -16.24% $3,677,052.00
TWO SIGMA INVESTMENTS, LP 30 Sep, 2025 2,534,511 -216,062 -7.86% $3,320,209.00
JANE STREET GROUP, LLC 30 Sep, 2025 2,321,095 575,973 33.00% $3,040,635.00
Connor, Clark & Lunn Investment Management Ltd. 30 Sep, 2025 2,161,818 -45,130 -2.04% $2,831,982.00
FEDERATED HERMES, INC. 30 Sep, 2025 2,157,104 -19,934 -0.92% $2,825,806.00
JACOBS LEVY EQUITY MANAGEMENT, INC 30 Sep, 2025 1,920,530 445,484 30.20% $2,515,894.00