Optiver Holding
IRWD icon

Optiver Holding’s Ironwood Pharmaceuticals IRWD Stock Holding History

Optiver Holding’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 		$5.31K Buy
1,514
+576
+61% +$2.36K ﹤0.01% 1394
2025
Q4 		$3.16K Sell
938
-1,224
-57% -$3.18K ﹤0.01% 1721
2025
Q3 		$2.83K Buy
2,162
+1,998
+1,218% +$2.07K ﹤0.01% 2221
2025
Q2 		$118 Hold
164
– – ﹤0.01% 1422
2025
Q1 		$241 Hold
164
– – ﹤0.01% 1314
2024
Q4 		$727 Buy
+164
New +$665 ﹤0.01% 1000
2024
Q3 		– Sell
-452
Closed -$2.95K – 1018
2024
Q2 		$2.95K Buy
+452
New +$3.2K ﹤0.01% 827

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

Optiver Holding's IRWD Position: Q1 2026 in Review

Optiver Holding increased its Ironwood Pharmaceuticals (IRWD) stake by 61% in Q1 2026, buying an estimated $2.36K and bringing the position to 1,514 shares worth $5.31K. The position accounts for ﹤0.01% of the portfolio, ranked #1394.

Optiver Holding first reported a position in IRWD in Q2 2024 and has held it in 7 quarters since. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

  • Optiver Holding held 1,514 shares of Ironwood Pharmaceuticals worth $5.31K as of Q1 2026.
  • Optiver Holding bought 576 Ironwood Pharmaceuticals shares in Q1 2026, an estimated $2.36K.
  • Ironwood Pharmaceuticals made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1394 holding.
  • Optiver Holding first reported a position in Ironwood Pharmaceuticals in Q2 2024 and has held it in 7 quarters since.
  • 226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.