Millennium Management’s Ironwood Pharmaceuticals IRWD Stock Holding History

Millennium Management’s Portfolio IRWD Stock Details IRWD Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-38,800	Closed	-$172K	–	6126
2024 Q4	$172K	Buy	+38,800	New	+$157K	﹤0.01%	5352
2023 Q4	–	Sell	-150,100	Closed	-$1.45M	–	6296
2023 Q3	$1.45M	Buy	+150,100	New	+$1.47M	﹤0.01%	3878
2016 Q4	–	Sell	-71,640	Closed	-$953K	–	3516
2016 Q3	$953K	Buy	+71,640	New	+$838K	﹤0.01%	2293
2014 Q4	–	Sell	-59,700	Closed	-$648K	–	4093
2014 Q3	$648K	Buy	+59,700	New	+$683K	﹤0.01%	2588
2013 Q4	–	Sell	-95,520	Closed	-$947K	–	3590
2013 Q3	$947K	Sell	95,520 -767,384	-89%	-$7.53M	﹤0.01%	2140
2013 Q2	$7.18M	Buy	+862,904	New	+$10.5M	0.02%	809

Other funds holding IRWD

Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

SCM

Sarissa Capital Management Greenwich, Connecticut $158M AUM 103.7% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Millennium Management's IRWD Position: Q1 2026 in Review

Millennium Management reduced its Ironwood Pharmaceuticals (IRWD) stake by 18% in Q1 2026, selling an estimated $425K and leaving 457,114 shares worth $1.6M. The position accounts for ﹤0.01% of the portfolio, ranked #4060.

Millennium Management first reported a position in IRWD in Q2 2013 and has held it in 50 quarters since. The position peaked at $65.4M in Q1 2014. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

Millennium Management held 457,114 shares of Ironwood Pharmaceuticals worth $1.6M as of Q1 2026.
Millennium Management sold 103,599 Ironwood Pharmaceuticals shares in Q1 2026, an estimated $425K.
Ironwood Pharmaceuticals made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4060 holding.
Millennium Management first reported a position in Ironwood Pharmaceuticals in Q2 2013 and has held it in 50 quarters since.
Millennium Management's Ironwood Pharmaceuticals position peaked at $65.4M in Q1 2014.
226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.