Canada Pension Plan Investment Board’s Ironwood Pharmaceuticals IRWD Stock Holding History

Canada Pension Plan Investment Board’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	$474K	Sell	135,000 -53,000	-28%	-$217K	﹤0.01%	1254
2025 Q4	$634K	Buy	+188,000	New	+$488K	﹤0.01%	1210
2022 Q3	–	Sell	-88,800	Closed	-$1.02M	–	1257
2022 Q2	$1.02M	Buy	+88,800	New	+$1.05M	﹤0.01%	810
2022 Q1	–	Sell	-296,370	Closed	-$3.46M	–	1449
2021 Q4	$3.46M	Buy	+296,370	New	+$3.64M	﹤0.01%	770
2020 Q3	–	Sell	-339,907	Closed	-$3.51M	–	1228
2020 Q2	$3.51M	Buy	+339,907	New	+$3.48M	0.01%	606
2020 Q1	–	Sell	-53,307	Closed	-$710K	–	1388
2019 Q4	$710K	Buy	53,307 +10,807	+25%	+$119K	﹤0.01%	1108
2019 Q3	$365K	Sell	42,500 -88,100	-67%	-$856K	﹤0.01%	1071
2019 Q2	$1.43M	Sell	130,600 -475,474	-78%	-$5.33M	﹤0.01%	994
2019 Q1	$6.87M	Buy	606,074 +131,817	+28%	+$1.47M	0.01%	698
2018 Q4	$4.12M	Buy	+474,257	New	+$5.44M	0.01%	821

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

Canada Pension Plan Investment Board's IRWD Position: Q1 2026 in Review

Canada Pension Plan Investment Board reduced its Ironwood Pharmaceuticals (IRWD) stake by 28% in Q1 2026, selling an estimated $217K and leaving 135,000 shares worth $474K. The position accounts for ﹤0.01% of the portfolio, ranked #1254.

Canada Pension Plan Investment Board first reported a position in IRWD in Q4 2018 and has held it in 10 quarters since. The position peaked at $6.87M in Q1 2019. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

Canada Pension Plan Investment Board held 135,000 shares of Ironwood Pharmaceuticals worth $474K as of Q1 2026.
Canada Pension Plan Investment Board sold 53,000 Ironwood Pharmaceuticals shares in Q1 2026, an estimated $217K.
Ironwood Pharmaceuticals made up ﹤0.01% of Canada Pension Plan Investment Board's portfolio in Q1 2026, its #1254 holding.
Canada Pension Plan Investment Board first reported a position in Ironwood Pharmaceuticals in Q4 2018 and has held it in 10 quarters since.
Canada Pension Plan Investment Board's Ironwood Pharmaceuticals position peaked at $6.87M in Q1 2019.
226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on Canada Pension Plan Investment Board's 13F filing for Q1 2026, filed 15 May 2026.