SEC 13F Intelligence

IRONWOOD PHARMACEUTICALS INC

CUSIP 46333XAH1

Ironwood Pharmaceuticals Inc has 12 institutional holders in Filings Flow’s 13F database, together reporting 182.54M shares worth $186M as of Q1 2026. The largest reported holders are Context Capital Management, LLC, Braidwell LP, and Highbridge Capital Management LLC.

Institutional Holders
12
Q1 2026
Reported Value
$186M
Ticker
unmapped
private placement or foreign
Quarters Tracked
6

Ownership Trend

Institutional holders
Q2 ’21: 14Q2 ’21Q4 ’21: 14Q4 ’21Q4 ’22: 20Q4 ’22Q4 ’25: 13Q4 ’25Q1 ’26: 12Q1 ’26Q2 ’26: 2Q2 ’26filingsflow.com
Total reported value
Q2 ’21: $213MQ2 ’21Q4 ’21: $22.8BQ4 ’21Q4 ’22: $197MQ4 ’22Q4 ’25: $178MQ4 ’25Q1 ’26: $186MQ1 ’26Q2 ’26: $1MQ2 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
Chicago Capital Management, LLC$121M AUM5.72%$7M7.0KQ1 2026OLDER
BRAIDWELL LP$3.0B AUM1.61%$50M53.41MQ4 2025OLDER
HIGHBRIDGE CAPITAL MANAGEMENT LLC$3.1B AUM1.49%$46M46.94MQ1 2026OLDER
Context Capital Management, LLC$4.3B AUM1.34%$58M59.62MQ1 2026OLDER
DeepCurrents Investment Group LLC$3.1B AUM0.80%$25M25.50MQ1 2026OLDER
ZAZOVE ASSOCIATES LLC$2.1B AUM0.09%$1M1.10MQ2 2026
ADVENT CAPITAL MANAGEMENT /DE/$3.6B AUM0.06%$3M3.00MQ4 2025OLDER
BALYASNY ASSET MANAGEMENT L.P.$77.1B AUM0.02%$18M18.41MQ1 2026OLDER
D. E. Shaw & Co., Inc.$166.3B AUM0.02%$29M29.15MQ1 2026OLDER
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$62.2B AUM0.00%$2M1.75MQ3 2025OLDER
UBS Group AG$666.3B AUM0.00%$2M2.57MQ1 2026OLDER
Advisory Services Network, LLC$7.5B AUM0.00%$17,47818.0KQ1 2026OLDER
Jefferies Financial Group Inc.$14.6B AUM0.00%$12,54513.0KQ1 2026OLDER
BARCLAYS PLC$416.3B AUM0.00%$165,600207.0KQ4 2025OLDER
Steward Partners Investment Advisory, LLC$19.6B AUM0.00%$6,7977.0KQ1 2026OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$295,733301.0KQ1 2026OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$4,9135.0KQ2 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.