Robeco Institutional Asset Management’s Ironwood Pharmaceuticals IRWD Stock Holding History

Robeco Institutional 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 Q2	$1.44M	Hold	342,998	–	–	﹤0.01%	687
2026 Q1	$1.2M	Hold	342,998	–	–	﹤0.01%	721
2025 Q4	$1.16M	Hold	342,998	–	–	﹤0.01%	718
2025 Q3	$449K	Sell	342,998 -27,336	-7%	-$28.3K	﹤0.01%	806
2025 Q2	$266K	Sell	370,334 -10,626	-3%	-$8.34K	﹤0.01%	834
2025 Q1	$560K	Hold	380,960	–	–	﹤0.01%	831
2024 Q4	$1.69M	Hold	380,960	–	–	﹤0.01%	727
2024 Q3	$1.57M	Buy	380,960 +353,624	+1,294%	+$1.9M	﹤0.01%	742
2024 Q2	$178K	Hold	27,336	–	–	﹤0.01%	902
2024 Q1	$238K	Hold	27,336	–	–	﹤0.01%	905
2023 Q4	$313K	Hold	27,336	–	–	﹤0.01%	878
2023 Q3	$263K	Hold	27,336	–	–	﹤0.01%	898
2023 Q2	$291K	Hold	27,336	–	–	﹤0.01%	910
2023 Q1	$288K	Buy	+27,336	New	+$306K	﹤0.01%	902

Other funds holding IRWD

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return

SCM

Sarissa Capital Management Greenwich, Connecticut $178M AUM 118.43% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Robeco Institutional Asset Management's IRWD Position: Q2 2026 in Review

Robeco Institutional Asset Management held its Ironwood Pharmaceuticals (IRWD) position steady in Q2 2026 at 342,998 shares worth $1.44M. The position accounts for ﹤0.01% of the portfolio, ranked #687.

Robeco Institutional Asset Management first reported a position in IRWD in Q1 2023 and has held it in 14 quarters since. The position peaked at $1.69M in Q4 2024. 212 funds tracked by Wall St. Rank hold IRWD as of Q2 2026.

Robeco Institutional Asset Management held 342,998 shares of Ironwood Pharmaceuticals worth $1.44M as of Q2 2026.
Robeco Institutional Asset Management left its Ironwood Pharmaceuticals share count unchanged in Q2 2026.
Ironwood Pharmaceuticals made up ﹤0.01% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #687 holding.
Robeco Institutional Asset Management first reported a position in Ironwood Pharmaceuticals in Q1 2023 and has held it in 14 quarters since.
Robeco Institutional Asset Management's Ironwood Pharmaceuticals position peaked at $1.69M in Q4 2024.
212 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.