Optiver Holding
WSR

Optiver Holding’s Whitestone REIT WSR Stock Holding History

Optiver Holding’s Portfolio WSR Stock Details WSR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$6.66K Buy
351
+231
+193% +$4.34K ﹤0.01% 1872
2026
Q1 		$1.94K Buy
120
+5
+4% +$75 ﹤0.01% 1867
2025
Q4 		$1.6K Sell
115
-225
-66% -$2.9K ﹤0.01% 2107
2025
Q3 		$4.17K Buy
+340
New +$4.28K ﹤0.01% 1906

Other funds holding WSR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NAM
Nexpoint Asset Management Dallas, Texas $1.5B AUM 83.46% 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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
WIC
Water Island Capital New York $1.08B AUM 105.75% 1-Year Est. Return
FTCM
First Trust Capital Management Chicago, Illinois $1.72B AUM 70.66% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

Optiver Holding's WSR Position: Q2 2026 in Review

Optiver Holding increased its Whitestone REIT (WSR) stake by 193% in Q2 2026, buying an estimated $4.34K and bringing the position to 351 shares worth $6.66K. The position accounts for ﹤0.01% of the portfolio, ranked #1872.

Optiver Holding first reported a position in WSR in Q3 2025 and has held it in 4 quarters since. 217 funds tracked by Wall St. Rank hold WSR as of Q2 2026.

  • Optiver Holding held 351 shares of Whitestone REIT worth $6.66K as of Q2 2026.
  • Optiver Holding bought 231 Whitestone REIT shares in Q2 2026, an estimated $4.34K.
  • Whitestone REIT made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1872 holding.
  • Optiver Holding first reported a position in Whitestone REIT in Q3 2025 and has held it in 4 quarters since.
  • 217 funds tracked by Wall St. Rank held Whitestone REIT as of Q2 2026.

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