NASDAQ: IRWD
Ironwood Pharmaceuticals Inc Stock Ownership - Who owns Ironwood Pharmaceuticals?

Insider buying vs selling

Have Ironwood Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Julie McHughDirector2026-06-1621,571$3.73
$80.46kSell
Alexander J. DennerDirector2026-03-175,800$3.31
$19.20kSell
Alexander J. DennerDirector2026-03-176,725,000$3.05
$20.51MSell
Ronald SilverPrincipal Accounting Officer2026-02-2412,621$3.66
$46.19kSell
Tammi L. GaskinsChief Commercial Officer2026-02-2411,239$3.66
$41.13kSell
Minardo JohnChief Legal Officer2026-02-2419,053$3.66
$69.73kSell
Gregory S. MartiniChief Financial Officer2026-02-2411,457$3.66
$41.93kSell
Thomas A. McCourtChief Executive Officer2026-02-24103,526$3.66
$378.91kSell
Michael ShetzlineSVP CMO Head-ResDrug2026-02-2417,012$3.66
$62.26kSell
Tammi L. GaskinsChief Commercial Officer2026-02-2310,287$3.81
$39.19kSell

1 of 3

IRWD insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when IRWD insiders and whales buy or sell their stock.

IRWD Shareholders

What type of owners hold Ironwood Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Armistice Capital LLC9.13%15,028,000$53.20MInstitution
Blackrock Inc8.12%13,362,930$47.30MInstitution
Bryan E. Roberts6.56%10,800,857$38.24MInsider
Alexander J. Denner5.78%9,512,490$33.67MInsider
Sarissa Capital Management LP5.58%9,188,635$32.53MInstitution
Fmr LLC5.56%9,153,685$32.40MInsider
Associates Venrock5.31%8,733,763$30.92MInsider
Bank Of America Corp5.27%8,682,907$30.74MInstitution
Renaissance Technologies LLC4.90%8,061,073$28.54MInstitution
Aqr Capital Management LLC4.58%7,535,080$26.67MInstitution

1 of 3

IRWD vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IRWD73.10%26.90%Net SellingNet Selling
AQST57.21%5.91%Net SellingNet Selling
TLRY8.95%17.41%Net BuyingNet Selling
AMPH47.77%52.23%Net SellingNet Selling
ESPR67.74%16.66%Net SellingNet Selling

Ironwood Pharmaceuticals Stock Ownership FAQ

Who owns Ironwood Pharmaceuticals?

Ironwood Pharmaceuticals (NASDAQ: IRWD) is owned by 98.08% institutional shareholders, 36.09% Ironwood Pharmaceuticals insiders, and 0.00% retail investors. Bryan E. Roberts is the largest individual Ironwood Pharmaceuticals shareholder, owning 10.80M shares representing 6.56% of the company. Bryan E. Roberts's Ironwood Pharmaceuticals shares are currently valued at $41.26M.

If you're new to stock investing, here's how to buy Ironwood Pharmaceuticals stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.