Pacer Advisors
IRWD icon

Pacer Advisors’s Ironwood Pharmaceuticals IRWD Stock Holding History

Pacer 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
2026
Q1 		$3.98M Buy
+1,134,512
New +$4.65M 0.01% 680
2025
Q2 		– Sell
-1,789,098
Closed -$2.63M – 3506
2025
Q1 		$2.63M Sell
1,789,098
-9,941,673
-85% -$23.7M 0.01% 864
2024
Q4 		$52M Buy
11,730,771
+450,949
+4% +$1.83M 0.11% 196
2024
Q3 		$46.5M Buy
11,279,822
+2,372,183
+27% +$12.8M 0.1% 218
2024
Q2 		$58.1M Buy
8,907,639
+1,701,452
+24% +$12M 0.13% 186
2024
Q1 		$62.8M Buy
+7,206,187
New +$87.4M 0.14% 171
2023
Q3 		– Sell
-2,466,228
Closed -$26.2M – 2639
2023
Q2 		$26.2M Buy
2,466,228
+204,428
+9% +$2.2M 0.11% 199
2023
Q1 		$23.8M Buy
2,261,800
+711,756
+46% +$7.97M 0.1% 203
2022
Q4 		$19.2M Buy
1,550,044
+278,591
+22% +$3.16M 0.1% 175
2022
Q3 		$13.2M Buy
1,271,453
+338,287
+36% +$3.84M 0.09% 169
2022
Q2 		$10.8M Buy
+933,166
New +$11M 0.08% 211
2021
Q2 		– Sell
-6,889
Closed -$77K – 1478
2021
Q1 		$77K Sell
6,889
-2,506
-27% -$26.5K ﹤0.01% 1332
2020
Q4 		$107K Sell
9,395
-332
-3% -$3.63K ﹤0.01% 1358
2020
Q3 		$87K Buy
+9,727
New +$96.7K ﹤0.01% 1270
2018
Q4 		– Sell
-11,471
Closed -$177K – 791
2018
Q3 		$177K Buy
+11,471
New +$181K 0.01% 1042
2018
Q1 		– Sell
-3,501
Closed -$44K – 1086
2017
Q4 		$44K Buy
+3,501
New +$45.7K ﹤0.01% 1029

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

Pacer Advisors's IRWD Position: Q1 2026 in Review

Pacer Advisors opened a new position in Ironwood Pharmaceuticals (IRWD) in Q1 2026: 1,134,512 shares worth $3.98M. The stake represents 0.01% of the portfolio and ranks #680 among its holdings. This is a return to the name: Pacer Advisors previously reported a position in IRWD as recently as Q1 2025.

Pacer Advisors first reported a position in IRWD in Q4 2017 and has held it in 16 quarters since. The position peaked at $62.8M in Q1 2024. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

  • Pacer Advisors held 1,134,512 shares of Ironwood Pharmaceuticals worth $3.98M as of Q1 2026.
  • Ironwood Pharmaceuticals was a new Pacer Advisors position in Q1 2026.
  • Ironwood Pharmaceuticals made up 0.01% of Pacer Advisors's portfolio in Q1 2026, its #680 holding.
  • Pacer Advisors first reported a position in Ironwood Pharmaceuticals in Q4 2017 and has held it in 16 quarters since.
  • Pacer Advisors's Ironwood Pharmaceuticals position peaked at $62.8M in Q1 2024.
  • 226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on Pacer Advisors's 13F filing for Q1 2026, filed 6 May 2026.