Canada Pension Plan Investment Board
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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
Q2 		$551K Sell
130,900
-4,100
-3% -$15.8K ﹤0.01% 1234
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

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AC
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
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Canada Pension Plan Investment Board's IRWD Position: Q2 2026 in Review

Canada Pension Plan Investment Board reduced its Ironwood Pharmaceuticals (IRWD) stake by 3% in Q2 2026, selling an estimated $15.8K and leaving 130,900 shares worth $551K. The position accounts for ﹤0.01% of the portfolio, ranked #1234.

Canada Pension Plan Investment Board first reported a position in IRWD in Q4 2018 and has held it in 11 quarters since. The position peaked at $6.87M in Q1 2019. 212 funds tracked by Wall St. Rank hold IRWD as of Q2 2026.

  • Canada Pension Plan Investment Board held 130,900 shares of Ironwood Pharmaceuticals worth $551K as of Q2 2026.
  • Canada Pension Plan Investment Board sold 4,100 Ironwood Pharmaceuticals shares in Q2 2026, an estimated $15.8K.
  • Ironwood Pharmaceuticals made up ﹤0.01% of Canada Pension Plan Investment Board's portfolio in Q2 2026, its #1234 holding.
  • Canada Pension Plan Investment Board first reported a position in Ironwood Pharmaceuticals in Q4 2018 and has held it in 11 quarters since.
  • Canada Pension Plan Investment Board's Ironwood Pharmaceuticals position peaked at $6.87M in Q1 2019.
  • 212 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q2 2026.

Based on Canada Pension Plan Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.