Martingale Asset Management’s Ironwood Pharmaceuticals IRWD Stock Holding History

Martingale Asset 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
2026 Q1	$720K	Buy	+204,991	New	+$840K	0.02%	573
2024 Q1	–	Sell	-139,858	Closed	-$1.6M	–	835
2023 Q4	$1.6M	Sell	139,858 -140	-0.1%	-$1.39K	0.03%	339
2023 Q3	$1.35M	Hold	139,998	–	–	0.03%	355
2023 Q2	$1.49M	Buy	139,998 +5,706	+4%	+$61.3K	0.03%	342
2023 Q1	$1.41M	Buy	134,292 +2,702	+2%	+$30.3K	0.03%	347
2022 Q4	$1.63M	Buy	131,590 +2,837	+2%	+$32.2K	0.03%	316
2022 Q3	$1.33M	Buy	128,753 +3,703	+3%	+$42K	0.03%	355
2022 Q2	$1.44M	Buy	125,050 +28,902	+30%	+$340K	0.03%	361
2022 Q1	$1.21M	Buy	+96,148	New	+$1.1M	0.02%	428

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

Martingale Asset Management's IRWD Position: Q1 2026 in Review

Martingale Asset Management opened a new position in Ironwood Pharmaceuticals (IRWD) in Q1 2026: 204,991 shares worth $720K. The stake represents 0.02% of the portfolio and ranks #573 among its holdings. This is a return to the name: Martingale Asset Management previously reported a position in IRWD as recently as Q4 2023.

Martingale Asset Management first reported a position in IRWD in Q1 2022 and has held it in 9 quarters since. The position peaked at $1.63M in Q4 2022. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

Martingale Asset Management held 204,991 shares of Ironwood Pharmaceuticals worth $720K as of Q1 2026.
Ironwood Pharmaceuticals was a new Martingale Asset Management position in Q1 2026.
Ironwood Pharmaceuticals made up 0.02% of Martingale Asset Management's portfolio in Q1 2026, its #573 holding.
Martingale Asset Management first reported a position in Ironwood Pharmaceuticals in Q1 2022 and has held it in 9 quarters since.
Martingale Asset Management's Ironwood Pharmaceuticals position peaked at $1.63M in Q4 2022.
226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on Martingale Asset Management's 13F filing for Q1 2026, filed 13 May 2026.