Jacobs Levy Equity Management
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Jacobs Levy Equity Management’s Ironwood Pharmaceuticals IRWD Stock Holding History

Jacobs Levy Equity 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 		$12.7M Buy
3,632,477
+872,810
+32% +$3.58M 0.05% 276
2025
Q4 		$9.3M Buy
2,759,667
+839,137
+44% +$2.18M 0.04% 313
2025
Q3 		$2.52M Buy
1,920,530
+445,484
+30% +$461K 0.01% 546
2025
Q2 		$1.06M Sell
1,475,046
-105,274
-7% -$82.7K ﹤0.01% 746
2025
Q1 		$2.32M Sell
1,580,320
-2,042,706
-56% -$4.87M 0.01% 627
2024
Q4 		$16.1M Sell
3,623,026
-642,074
-15% -$2.61M 0.06% 241
2024
Q3 		$17.6M Sell
4,265,100
-93,198
-2% -$501K 0.07% 255
2024
Q2 		$28.4M Buy
4,358,298
+122,718
+3% +$868K 0.12% 179
2024
Q1 		$36.9M Buy
4,235,580
+1,226,377
+41% +$14.9M 0.16% 137
2023
Q4 		$34.4M Buy
3,009,203
+630,908
+27% +$6.24M 0.17% 135
2023
Q3 		$22.9M Buy
+2,378,295
New +$23.3M 0.14% 166
2021
Q3 		– Sell
-42,036
Closed -$541K – 1082
2021
Q2 		$541K Sell
42,036
-238,508
-85% -$2.73M ﹤0.01% 848
2021
Q1 		$3.14M Buy
+280,544
New +$2.96M 0.02% 518
2020
Q2 		– Sell
-448,282
Closed -$4.52M – 1094
2020
Q1 		$4.52M Sell
448,282
-480,358
-52% -$5.65M 0.06% 309
2019
Q4 		$12.4M Buy
928,640
+357,597
+63% +$3.94M 0.12% 207
2019
Q3 		$4.9M Buy
571,043
+62,900
+12% +$611K 0.06% 343
2019
Q2 		$5.56M Buy
+508,143
New +$5.69M 0.08% 322
2015
Q2 		– Sell
-20,656
Closed -$277K – 829
2015
Q1 		$277K Buy
+20,656
New +$271K ﹤0.01% 656

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

Jacobs Levy Equity Management's IRWD Position: Q1 2026 in Review

Jacobs Levy Equity Management increased its Ironwood Pharmaceuticals (IRWD) stake by 32% in Q1 2026, buying an estimated $3.58M and bringing the position to 3,632,477 shares worth $12.7M. The position accounts for 0.05% of the portfolio, ranked #276.

Jacobs Levy Equity Management first reported a position in IRWD in Q1 2015 and has held it in 18 quarters since. The position peaked at $36.9M in Q1 2024. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

  • Jacobs Levy Equity Management held 3,632,477 shares of Ironwood Pharmaceuticals worth $12.7M as of Q1 2026.
  • Jacobs Levy Equity Management bought 872,810 Ironwood Pharmaceuticals shares in Q1 2026, an estimated $3.58M.
  • Ironwood Pharmaceuticals made up 0.05% of Jacobs Levy Equity Management's portfolio in Q1 2026, its #276 holding.
  • Jacobs Levy Equity Management first reported a position in Ironwood Pharmaceuticals in Q1 2015 and has held it in 18 quarters since.
  • Jacobs Levy Equity Management's Ironwood Pharmaceuticals position peaked at $36.9M in Q1 2024.
  • 226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on Jacobs Levy Equity Management's 13F filing for Q1 2026, filed 15 May 2026.