Jacobs Levy Equity Management
IRWD icon

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
Q2 		$17.1M Buy
4,065,964
+433,487
+12% +$1.67M 0.06% 242
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

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
SCM
Sarissa Capital Management Greenwich, Connecticut $178M AUM 118.43% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Jacobs Levy Equity Management's IRWD Position: Q2 2026 in Review

Jacobs Levy Equity Management increased its Ironwood Pharmaceuticals (IRWD) stake by 12% in Q2 2026, buying an estimated $1.67M and bringing the position to 4,065,964 shares worth $17.1M. The position accounts for 0.06% of the portfolio, ranked #242.

Jacobs Levy Equity Management first reported a position in IRWD in Q1 2015 and has held it in 19 quarters since. The position peaked at $36.9M in Q1 2024. 212 funds tracked by Wall St. Rank hold IRWD as of Q2 2026.

  • Jacobs Levy Equity Management held 4,065,964 shares of Ironwood Pharmaceuticals worth $17.1M as of Q2 2026.
  • Jacobs Levy Equity Management bought 433,487 Ironwood Pharmaceuticals shares in Q2 2026, an estimated $1.67M.
  • Ironwood Pharmaceuticals made up 0.06% of Jacobs Levy Equity Management's portfolio in Q2 2026, its #242 holding.
  • Jacobs Levy Equity Management first reported a position in Ironwood Pharmaceuticals in Q1 2015 and has held it in 19 quarters since.
  • Jacobs Levy Equity Management's Ironwood Pharmaceuticals position peaked at $36.9M in Q1 2024.
  • 212 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q2 2026.

Based on Jacobs Levy Equity Management's 13F filing for Q2 2026, filed 14 Aug 2026.