Ironwood Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:IRWD Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
07 Jun 24	SellUS$517,694	Catherine Moukheibir	Individual	80,000	US$6.61
20 May 24	SellUS$112,256	John Minardo	Individual	17,404	US$6.45
20 May 24	SellUS$104,026	Michael Shetzline	Individual	16,128	US$6.45
20 May 24	SellUS$436,136	Thomas McCourt	Individual	67,618	US$6.45
20 May 24	SellUS$146,576	Andrew Davis	Individual	22,725	US$6.45
06 Mar 24	BuyUS$60,204	Jon Duane	Individual	6,920	US$8.70
04 Mar 24	BuyUS$100,216	Sravan Emany	Individual	10,684	US$9.38
12 Feb 24	SellUS$2,699,979	Thomas McCourt	Individual	177,164	US$15.24
12 Feb 24	SellUS$150,053	Andrew Davis	Individual	9,846	US$15.24
12 Feb 24	SellUS$588,538	Michael Shetzline	Individual	38,618	US$15.24
12 Feb 24	SellUS$722,071	John Minardo	Individual	47,380	US$15.24
12 Feb 24	SellUS$120,518	Ronald Silver	Individual	7,908	US$15.24
20 Nov 23	SellUS$31,851	Andrew Davis	Individual	3,287	US$9.69
15 Sep 23	BuyUS$300,119	Sravan Emany	Individual	36,072	US$8.32
14 Aug 23	SellUS$70,732	John Minardo	Individual	7,045	US$10.04
14 Aug 23	SellUS$19,839	Ronald Silver	Individual	1,976	US$10.04

Insider Trading Volume

Insider Buying: IRWD insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of IRWD?
Owner Type	Number of Shares	Ownership Percentage
State or Government	79,181	0.0446%
Individual Insiders	2,785,150	1.57%
Hedge Funds	16,390,000	9.23%
Institutions	158,233,994	89.2%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 2.3%.

Top Shareholders

Top 25 shareholders own 86.02% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.2%	BlackRock, Inc.	24,157,768	US$164.0m	-7.02%	no data
12.3%	The Vanguard Group, Inc.	19,521,366	US$132.6m	21.8%	no data
10.3%	Sarissa Capital Management LP	16,390,000	US$111.3m	0%	19.88%
8.76%	State Street Global Advisors, Inc.	13,917,111	US$94.5m	20.7%	no data
4.53%	Pacer Advisors, Inc.	7,206,187	US$48.9m	0%	0.12%
4.47%	Renaissance Technologies LLC	7,099,801	US$48.2m	7.64%	0.08%
3.87%	LSV Asset Management	6,151,001	US$41.8m	-9.31%	0.08%
3.4%	Armistice Capital LLC	5,400,000	US$36.7m	-5.26%	1.01%
2.66%	Jacobs Levy Equity Management Inc	4,235,580	US$28.8m	40.8%	0.13%
2.2%	Braidwell LP	3,489,843	US$23.7m	0%	1.35%
2%	UBS Asset Management AG	3,178,230	US$21.6m	428%	no data
1.98%	Geode Capital Management, LLC	3,147,158	US$21.4m	2.17%	no data
1.88%	Numeric Investors LLC	2,983,112	US$20.3m	110%	0.08%
1.7%	Brown Capital Management, LLC	2,700,705	US$18.3m	-27.2%	0.24%
1.44%	Morgan Stanley, Investment Banking and Brokerage Investments	2,290,653	US$15.6m	43.5%	no data
1.16%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	1,838,428	US$12.5m	0.38%	no data
1.02%	Kynam Capital Management, LP	1,625,000	US$11.0m	0%	1.17%
0.96%	Northern Trust Global Investments	1,532,517	US$10.4m	-3.52%	no data
0.95%	Deutsche Asset & Wealth Management	1,517,462	US$10.3m	236%	no data
0.93%	Jupiter Fund Management Plc	1,479,964	US$10.0m	-34.8%	0.03%
0.92%	Emerald Advisers, LLC	1,466,902	US$10.0m	0%	0.21%
0.88%	Charles Schwab Investment Management, Inc.	1,392,403	US$9.5m	0%	no data
0.87%	The Glenmede Trust Company, National Association	1,390,627	US$9.4m	7.6%	0.05%
0.83%	Schonfeld Strategic Advisors LLC	1,312,244	US$8.9m	1,700%	0.07%
0.83%	Goldman Sachs Group, Investment Banking and Securities Investments	1,311,591	US$8.9m	44.5%	no data