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GAMCO Investors’s iShares Global 100 ETF IOO Stock Holding History

GAMCO Investors’s Portfolio IOO Stock Details IOO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.03M Hold
16,800
– – 0.02% 513
2025
Q4 		$2.13M Hold
16,800
– – 0.02% 516
2025
Q3 		$2.02M Hold
16,800
– – 0.02% 521
2025
Q2 		$1.81M Hold
16,800
– – 0.02% 550
2025
Q1 		$1.62M Hold
16,800
– – 0.02% 513
2024
Q4 		$1.69M Hold
16,800
– – 0.02% 518
2024
Q3 		$1.67M Hold
16,800
– – 0.02% 528
2024
Q2 		$1.62M Hold
16,800
– – 0.02% 522
2024
Q1 		$1.5M Hold
16,800
– – 0.02% 537
2023
Q4 		$1.35M Hold
16,800
– – 0.01% 546
2023
Q3 		$1.23M Hold
16,800
– – 0.01% 548
2023
Q2 		$1.28M Hold
16,800
– – 0.01% 544
2023
Q1 		$1.18M Hold
16,800
– – 0.01% 559
2022
Q4 		$1.08M Hold
16,800
– – 0.01% 573
2022
Q3 		$1M Hold
16,800
– – 0.01% 574
2022
Q2 		$1.08M Hold
16,800
– – 0.01% 565
2022
Q1 		$1.28M Hold
16,800
– – 0.01% 576
2021
Q4 		$1.31M Hold
16,800
– – 0.01% 579
2021
Q3 		$1.2M Hold
16,800
– – 0.01% 603
2021
Q2 		$1.19M Hold
16,800
– – 0.01% 620
2021
Q1 		$1.11M Hold
16,800
– – 0.01% 609
2020
Q4 		$1.06M Hold
16,800
– – 0.01% 604
2020
Q3 		$946K Hold
16,800
– – 0.01% 578
2020
Q2 		$887K Hold
16,800
– – 0.01% 579
2020
Q1 		$750K Hold
16,800
– – 0.01% 590
2019
Q4 		$906K Hold
16,800
– – 0.01% 632
2019
Q3 		$831K Hold
16,800
– – 0.01% 636
2019
Q2 		$821K Buy
+16,800
New +$812K 0.01% 645

Other funds holding IOO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Northwestern Mutual Wealth Management
Northwestern Mutual Wealth Management Milwaukee, Wisconsin $162B AUM 16.35% 1-Year Est. Return
AAS
Annex Advisory Services Brookfield, Wisconsin $5.86B AUM 21.83% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
SI
Stephens Inc Little Rock, Arkansas $7.99B AUM 21.6% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

GAMCO Investors's IOO Position: Q1 2026 in Review

GAMCO Investors held its iShares Global 100 ETF (IOO) position steady in Q1 2026 at 16,800 shares worth $2.03M. The position accounts for 0.02% of the portfolio, ranked #513.

GAMCO Investors first reported a position in IOO in Q2 2019 and has held it in 28 quarters since. The position peaked at $2.13M in Q4 2025. 355 funds tracked by Wall St. Rank hold IOO as of Q1 2026.

  • GAMCO Investors held 16,800 shares of iShares Global 100 ETF worth $2.03M as of Q1 2026.
  • GAMCO Investors left its iShares Global 100 ETF share count unchanged in Q1 2026.
  • iShares Global 100 ETF made up 0.02% of GAMCO Investors's portfolio in Q1 2026, its #513 holding.
  • GAMCO Investors first reported a position in iShares Global 100 ETF in Q2 2019 and has held it in 28 quarters since.
  • GAMCO Investors's iShares Global 100 ETF position peaked at $2.13M in Q4 2025.
  • 355 funds tracked by Wall St. Rank held iShares Global 100 ETF as of Q1 2026.

Based on GAMCO Investors's 13F filing for Q1 2026, filed 14 May 2026.