Capstone Investment Advisors
IRWD icon

Capstone Investment Advisors’s Ironwood Pharmaceuticals IRWD Stock Holding History

Capstone Investment Advisors’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
Q4 		– Sell
-36,268
Closed -$47.5K – 1826
2025
Q3 		$47.5K Hold
36,268
– – ﹤0.01% 1885
2025
Q2 		$26K Sell
36,268
-3,732
-9% -$2.93K ﹤0.01% 1555
2025
Q1 		$58.8K Buy
+40,000
New +$95.3K ﹤0.01% 1291
2024
Q3 		– Sell
-19,876
Closed -$130K – 2061
2024
Q2 		$130K Buy
+19,876
New +$141K ﹤0.01% 1851
2023
Q3 		– Sell
-11,068
Closed -$118K – 2186
2023
Q2 		$118K Buy
+11,068
New +$119K ﹤0.01% 1673
2017
Q1 		– Sell
-13,603
Closed -$174K – 994
2016
Q4 		$174K Buy
+13,603
New +$172K 0.01% 836

Other funds holding IRWD

AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 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
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Capstone Investment Advisors's IRWD Position: Q4 2025 in Review

Capstone Investment Advisors sold out of Ironwood Pharmaceuticals (IRWD) in Q4 2025, closing a stake of 36,268 shares — an estimated $47.5K sold.

Capstone Investment Advisors first reported a position in IRWD in Q4 2016 and held it in 6 quarters. The position peaked at $174K in Q4 2016. 199 funds tracked by Wall St. Rank hold IRWD as of Q4 2025.

  • Capstone Investment Advisors reported no remaining Ironwood Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
  • Capstone Investment Advisors sold 36,268 Ironwood Pharmaceuticals shares in Q4 2025, an estimated $47.5K.
  • Capstone Investment Advisors first reported a position in Ironwood Pharmaceuticals in Q4 2016 and held it in 6 quarters.
  • Capstone Investment Advisors's Ironwood Pharmaceuticals position peaked at $174K in Q4 2016.
  • 199 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q4 2025.

Based on Capstone Investment Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.