IRONWOOD PHARMACEUTICALS INC - Class A Common Stock (IRWD)

Historical Holders from Q1 2014 to Q3 2025

Symbol: IRWD on Nasdaq
Type / Class: Equity / Class A Common Stock
Shares outstanding: 161,976,581
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 148,850,076
Holdings value: $195,021,976
% of all portfolios: 0%
Number of holders: 161
Number of buys: 78
Number of sells: -65
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of IRONWOOD PHARMACEUTICALS INC - Class A Common Stock (IRWD)

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
VANGUARD GROUP INC	10.01%	+2.1%	$10,855,426	+$338,999	16,202,129	+3.2%	The Vanguard Group	30 Jun 2025
ARMISTICE CAPITAL, LLC	8.47%	+42%	$12,056,000	+$3,724,160	13,700,000	+45%	Armistice Capital, LLC	31 Mar 2025
BANK OF AMERICA CORP /DE/	7.4%		$15,702,010		11,986,267		BANK OF AMERICA CORP /DE/	30 Sep 2025
BlackRock, Inc.	7.1%		$9,930,271		11,284,399		BlackRock, Inc.	28 Feb 2025
RENAISSANCE TECHNOLOGIES LLC	5.37%		$7,565,534		8,597,198		Renaissance Technologies LLC	15 May 2024
STATE STREET CORP	2.2%	-60%	$3,078,494	-$4,250,865	3,498,289	-58%	STATE STREET CORPORATION	31 Mar 2025
BARCLAYS PLC	1.95%	-70%	$4,149,704	-$10,435,649	3,167,713	-72%	Barclays PLC	30 Sep 2025
Pacer Advisors, Inc.	1.12%	-89%	$1,574,406	-$8,748,672	1,789,098	-85%	Pacer US Small Cap Cash Cows ETF	31 Mar 2025

Institutional Holders of IRONWOOD PHARMACEUTICALS INC - Class A Common Stock (IRWD)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	148,850,076	$195,021,976	+$6,266,415	$15,327	$14,729,264	$1.31	161
2025 Q2	146,448,573	$105,056,220	-$19,990,203	$0	$8,048,129	$0.7172	151
2025 Q1	155,587,802	$228,692,691	-$26,001,186	$10,143	$16,481,816	$1.47	200
2024 Q4	164,213,918	$727,463,387	+$1,737,232	$56,642	$50,732,892	$4.43	222
2024 Q3	163,472,233	$673,496,034	-$53,233,700	$37,492	$46,176,218	$4.12	218
2024 Q2	171,468,668	$1,117,746,593	-$10,390,681	$185,820	$73,230,162	$6.52	226
2024 Q1	172,118,333	$1,499,071,284	+$34,523,403	$18,695,935	$228,172,095	$8.71	259
2023 Q4	164,989,974	$1,887,503,875	+$27,460,717	$11,203,072	$20,099,184	$11.44	248
2023 Q3	162,344,641	$1,563,374,016	-$47,770,085	$2,927,762	$3,501,333	$9.63	248
2023 Q2	166,095,520	$1,767,006,761	+$4,551,974	$31,920	$449,008	$10.64	249
2023 Q1	165,499,147	$1,741,215,310	-$25,432,141	$28,404	$358,732	$10.52	253
2022 Q4	167,942,496	$2,080,711,382	-$11,969,237	$26,019	$509,229	$12.39	248
2022 Q3	169,832,029	$1,759,668,119	-$66,873,989			$10.36	234
2022 Q2	175,222,861	$2,020,512,624	+$105,001,683	$0		$11.53	229
2022 Q1	166,602,554	$2,094,673,928	-$62,666,606	$483,000	$0	$12.58	205
2021 Q4	171,908,670	$2,002,842,425	-$78,175,850	$1,080,000	$5,620,410	$11.66	206
2021 Q3	177,433,352	$2,315,405,743	+$38,243,173	$2,469,000	$12,120,310	$13.06	216
2021 Q2	174,523,300	$2,245,931,885	+$54,432,994	$2,563,000	$13,039,463	$12.87	200
2021 Q1	171,145,457	$1,913,286,723	-$10,293,889	$4,988,000	$5,471,382	$11.18	202
2020 Q4	171,628,514	$1,954,636,964	-$289,602	$391,000	$14,133,000	$11.39	191
2020 Q3	179,160,124	$1,611,634,384	-$60,043,147	$810,000	$12,166,000	$9	183
2020 Q2	178,119,023	$1,838,125,889	+$1,165,854	$899,000	$13,256,000	$10.32	196
2020 Q1	178,568,993	$1,801,785,844	+$4,161,742	$658,000	$6,734,000	$10.09	186
2019 Q4	177,455,640	$2,362,005,410	+$49,445,414	$1,930,000	$10,709,000	$13.31	191
2019 Q3	173,764,399	$1,491,782,455	+$101,224,965	$1,442,000	$7,166,000	$8.58	156
2019 Q2	161,310,235	$1,764,640,729	+$57,814,939	$444,000	$8,541,000	$10.94	148
2019 Q1	154,995,090	$2,094,495,667	+$91,122,285	$1,020,000	$7,351,000	$13.53	150
2018 Q4	149,504,826	$1,548,336,251	-$71,151,637	$2,445,000	$4,980,000	$10.36	141
2018 Q3	144,665,764	$2,670,486,249	-$61,027,521	$8,067,000	$9,906,000	$18.46	149
2018 Q2	148,813,231	$2,845,437,392	-$59,848,588	$11,037,000	$11,714,000	$19.12	145
2018 Q1	152,306,846	$2,350,190,262	-$1,008,869	$6,906,000	$6,625,000	$15.43	145
2017 Q4	152,837,109	$2,291,153,384	-$72,488,750	$8,829,000	$10,303,000	$14.99	157
2017 Q3	157,184,610	$2,478,904,357	+$150,604,537	$10,057,000	$2,543,000	$15.77	145
2017 Q2	147,586,787	$2,784,285,643	+$174,107,575	$2,787,000	$2,846,000	$18.88	165
2017 Q1	146,394,957	$2,497,507,218	+$313,109,692	$1,916,000	$2,171,000	$17.06	158
2016 Q4	140,093,291	$2,142,057,976	+$7,058,282	$2,372,000	$2,973,000	$15.29	159
2016 Q3	138,112,999	$2,188,767,596	+$19,185,042	$7,450,000	$2,882,000	$15.88	150
2016 Q2	137,183,569	$1,793,474,568	-$46,641,420	$13,922,000	$8,841,000	$13.07	142
2016 Q1	141,086,992	$1,542,611,000	+$6,575,341	$1,502,000	$2,253,000	$10.94	133
2015 Q4	140,004,988	$1,623,135,302	-$10,046,894	$1,711,000	$1,499,000	$11.59	133
2015 Q3	141,087,024	$1,469,578,326	-$31,592,141	$2,212,000	$1,638,000	$10.42	129
2015 Q2	143,581,013	$1,730,907,955	+$111,334,758	$1,931,000	$4,163,000	$12.06	137
2015 Q1	133,635,220	$2,138,495,680	+$8,239,322	$1,731,000	$9,765,000	$16	142
2014 Q4	133,616,046	$2,046,265,589	+$20,104,400	$303,000	$841,000	$15.32	129
2014 Q3	131,914,423	$1,709,440,539	+$65,713,386	$6,865,000	$2,326,000	$12.96	138
2014 Q2	126,250,568	$1,934,608,469	-$76,713,665	$10,838,000	$12,679,000	$15.33	136
2014 Q1	131,861,633	$1,624,155,433	+$224,093,523	$4,332,000	$6,437,000	$12.32	135