Boston Partners
IWB icon

Boston Partners’s iShares Russell 1000 ETF IWB Stock Holding History

Boston Partners’s Portfolio IWB Stock Details IWB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$67.7M Buy
165,274
+164,965
+53,387% +$65.4M 0.06% 247
2026
Q1 		$59M Buy
+309
New +$115K 0.06% 245

Other funds holding IWB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
M&T Bank
M&T Bank Buffalo, New York $34.1B AUM 29.2% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $202B AUM 37.79% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Boston Partners's IWB Position: Q2 2026 in Review

Boston Partners increased its iShares Russell 1000 ETF (IWB) stake by 53,387% in Q2 2026, buying an estimated $65.4M and bringing the position to 165,274 shares worth $67.7M. The position accounts for 0.06% of the portfolio, ranked #247.

Boston Partners first reported a position in IWB in Q1 2026 and has held it in 2 quarters since. 1,542 funds tracked by Wall St. Rank hold IWB as of Q2 2026.

  • Boston Partners held 165,274 shares of iShares Russell 1000 ETF worth $67.7M as of Q2 2026.
  • Boston Partners bought 164,965 iShares Russell 1000 ETF shares in Q2 2026, an estimated $65.4M.
  • iShares Russell 1000 ETF made up 0.06% of Boston Partners's portfolio in Q2 2026, its #247 holding.
  • Boston Partners first reported a position in iShares Russell 1000 ETF in Q1 2026 and has held it in 2 quarters since.
  • 1,542 funds tracked by Wall St. Rank held iShares Russell 1000 ETF as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.