PCM
IRWD icon

Prelude Capital Management’s Ironwood Pharmaceuticals IRWD Stock Holding History

Prelude Capital 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
Q1 		– Sell
-136,507
Closed -$460K – 1397
2025
Q4 		$460K Buy
+136,507
New +$354K 0.03% 575
2024
Q3 		– Sell
-11,992
Closed -$78.2K – 1412
2024
Q2 		$78.2K Sell
11,992
-10,407
-46% -$73.6K 0.01% 1123
2024
Q1 		$195K Buy
+22,399
New +$272K 0.01% 1122
2022
Q4 		– Sell
-53,485
Closed -$554K – 1462
2022
Q3 		$554K Buy
53,485
+449
+0.8% +$5.09K 0.02% 611
2022
Q2 		$612K Sell
53,036
-14,246
-21% -$168K 0.02% 711
2022
Q1 		$846K Hold
67,282
– – 0.02% 656
2021
Q4 		$785K Sell
67,282
-1,571
-2% -$19.3K 0.02% 743
2021
Q3 		$899K Sell
68,853
-59,014
-46% -$763K 0.02% 612
2021
Q2 		$1.65M Sell
127,867
-12,471
-9% -$143K 0.05% 372
2021
Q1 		$1.57M Buy
+140,338
New +$1.48M 0.04% 420
2019
Q2 		– Sell
-636
Closed -$7K – 1890
2019
Q1 		$7K Buy
+636
New +$7.1K ﹤0.01% 1586
2017
Q3 		– Sell
-35,701
Closed -$565K – 1761
2017
Q2 		$565K Sell
35,701
-6,014
-14% -$87.4K 0.05% 312
2017
Q1 		$596K Buy
41,715
+14,247
+52% +$195K 0.06% 315
2016
Q4 		$352K Sell
27,468
-27,167
-50% -$343K 0.04% 392
2016
Q3 		$727K Buy
+54,635
New +$639K 0.08% 256

Other funds holding IRWD

AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
BlackRock
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
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
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
State Street
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
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Prelude Capital Management's IRWD Position: Q1 2026 in Review

Prelude Capital Management sold out of Ironwood Pharmaceuticals (IRWD) in Q1 2026, closing a stake of 136,507 shares — an estimated $460K sold.

Prelude Capital Management first reported a position in IRWD in Q3 2016 and held it in 15 quarters. The position peaked at $1.65M in Q2 2021. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

  • Prelude Capital Management reported no remaining Ironwood Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
  • Prelude Capital Management sold 136,507 Ironwood Pharmaceuticals shares in Q1 2026, an estimated $460K.
  • Prelude Capital Management first reported a position in Ironwood Pharmaceuticals in Q3 2016 and held it in 15 quarters.
  • Prelude Capital Management's Ironwood Pharmaceuticals position peaked at $1.65M in Q2 2021.
  • 226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on Prelude Capital Management's 13F filing for Q1 2026, filed 15 May 2026.