Optiver Holding
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Optiver Holding’s ImmunityBio IBRX Stock Holding History

Optiver Holding’s Portfolio IBRX Stock Details IBRX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$198K Buy
22,559
+19,865
+737% +$150K ﹤0.01% 901
2026
Q1 		$20.7K Buy
+2,694
New +$18.4K ﹤0.01% 1092
2025
Q4 		– Sell
-2,841
Closed -$6.99K – 2703
2025
Q3 		$6.99K Buy
2,841
+2,387
+526% +$6.15K ﹤0.01% 1516
2025
Q2 		$1.2K Buy
+454
New +$1.22K ﹤0.01% 1380

Other funds holding IBRX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Optiver Holding's IBRX Position: Q2 2026 in Review

Optiver Holding increased its ImmunityBio (IBRX) stake by 737% in Q2 2026, buying an estimated $150K and bringing the position to 22,559 shares worth $198K. The position accounts for ﹤0.01% of the portfolio, ranked #901.

Optiver Holding first reported a position in IBRX in Q2 2025 and has held it in 4 quarters since. 404 funds tracked by Wall St. Rank hold IBRX as of Q2 2026.

  • Optiver Holding held 22,559 shares of ImmunityBio worth $198K as of Q2 2026.
  • Optiver Holding bought 19,865 ImmunityBio shares in Q2 2026, an estimated $150K.
  • ImmunityBio made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #901 holding.
  • Optiver Holding first reported a position in ImmunityBio in Q2 2025 and has held it in 4 quarters since.
  • 404 funds tracked by Wall St. Rank held ImmunityBio as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.