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Old West Investment Management’s Ironwood Pharmaceuticals IRWD Stock Holding History

Old West Investment 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
Q2 		– Sell
-108,211
Closed -$159K – 68
2025
Q1 		$159K Buy
108,211
+46,092
+74% +$110K 0.06% 59
2024
Q4 		$275K Sell
62,119
-5,842
-9% -$23.7K 0.11% 50
2024
Q3 		$280K Buy
67,961
+1,509
+2% +$8.11K 0.11% 53
2024
Q2 		$433K Buy
66,452
+9,995
+18% +$70.7K 0.19% 47
2024
Q1 		$492K Sell
56,457
-464
-0.8% -$5.63K 0.25% 43
2023
Q4 		$651K Buy
56,921
+761
+1% +$7.53K 0.33% 31
2023
Q3 		$541K Sell
56,160
-21,590
-28% -$212K 0.27% 32
2023
Q2 		$827K Buy
77,750
+2,531
+3% +$27.2K 0.43% 29
2023
Q1 		$791K Buy
75,219
+2,061
+3% +$23.1K 0.43% 29
2022
Q4 		$906K Buy
73,158
+645
+0.9% +$7.32K 0.57% 28
2022
Q3 		$751K Hold
72,513
– – 0.53% 28
2022
Q2 		$836K Buy
72,513
+389
+0.5% +$4.58K 0.58% 26
2022
Q1 		$907K Sell
72,124
-462
-0.6% -$5.3K 0.49% 27
2021
Q4 		$846K Hold
72,586
– – 0.41% 33
2021
Q3 		$947K Hold
72,586
– – 0.25% 36
2021
Q2 		$934K Buy
72,586
+2,243
+3% +$25.7K 0.19% 45
2021
Q1 		$786K Buy
+70,343
New +$743K 0.16% 41

Other funds holding IRWD

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
SCM
Sarissa Capital Management Greenwich, Connecticut $158M AUM 103.7% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Old West Investment Management's IRWD Position: Q2 2025 in Review

Old West Investment Management sold out of Ironwood Pharmaceuticals (IRWD) in Q2 2025, closing a stake of 108,211 shares — an estimated $159K sold.

Old West Investment Management first reported a position in IRWD in Q1 2021 and held it in 17 quarters. The position peaked at $947K in Q3 2021. 155 funds tracked by Wall St. Rank hold IRWD as of Q2 2025.

  • Old West Investment Management reported no remaining Ironwood Pharmaceuticals position as of Q2 2025 after selling out during the quarter.
  • Old West Investment Management sold 108,211 Ironwood Pharmaceuticals shares in Q2 2025, an estimated $159K.
  • Old West Investment Management first reported a position in Ironwood Pharmaceuticals in Q1 2021 and held it in 17 quarters.
  • Old West Investment Management's Ironwood Pharmaceuticals position peaked at $947K in Q3 2021.
  • 155 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q2 2025.

Based on Old West Investment Management's 13F filing for Q2 2025, filed 8 Aug 2025.