John Overdeck’s iShares Biotechnology ETF IBB Stock Holding History

John Overdeck’s Portfolio IBB Stock Details IBB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2022 Q1	–	Sell	-6,600	Closed	-$1.01M	–	3416
2021 Q4	$1.01M	Sell	6,600 -2,400	-27%	-$372K	﹤0.01%	2557
2021 Q3	$1.46M	Sell	9,000 -12,000	-57%	-$2.02M	﹤0.01%	2275
2021 Q2	$3.44M	Buy	+21,000	New	+$3.23M	0.01%	1448
2020 Q4	–	Sell	-3,000	Closed	-$406K	–	3515
2020 Q3	$406K	Sell	3,000 -11,000	-79%	-$1.49M	﹤0.01%	2386
2020 Q2	$1.91M	Buy	14,000 +3,100	+28%	+$395K	0.01%	1125
2020 Q1	$1.17M	Buy	+10,900	New	+$1.25M	0.01%	1302
2019 Q4	–	Sell	-21,000	Closed	-$2.09M	–	3792
2019 Q3	$2.09M	Buy	21,000 +12,000	+133%	+$1.26M	0.01%	1399
2019 Q2	$982K	Buy	+9,000	New	+$957K	﹤0.01%	1943
2018 Q4	–	Sell	-6,000	Closed	-$732K	–	3224
2018 Q3	$732K	Sell	6,000 -25,000	-81%	-$2.94M	﹤0.01%	2200
2018 Q2	$3.4M	Buy	31,000 +24,000	+343%	+$2.57M	0.01%	1258
2018 Q1	$747K	Buy	+7,000	New	+$776K	﹤0.01%	2208

Other funds holding IBB

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

Commerce Bank Kansas City, Missouri $22.8B AUM 28.56% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

John Overdeck's IBB Position: Q2 2026 in Review

John Overdeck increased its iShares Biotechnology ETF (IBB) stake by 185% in Q2 2026, buying an estimated $177M and bringing the position to 1,588,107 shares worth $302M. The position accounts for 0.22% of the portfolio, ranked #91.

John Overdeck first reported a position in IBB in Q1 2014 and has held it in 37 quarters since. 954 funds tracked by Wall St. Rank hold IBB as of Q2 2026.

John Overdeck held 1,588,107 shares of iShares Biotechnology ETF worth $302M as of Q2 2026.
John Overdeck bought 1,030,300 iShares Biotechnology ETF shares in Q2 2026, an estimated $177M.
iShares Biotechnology ETF made up 0.22% of John Overdeck's portfolio in Q2 2026, its #91 holding.
John Overdeck first reported a position in iShares Biotechnology ETF in Q1 2014 and has held it in 37 quarters since.
954 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.