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	-3,900	Closed	-$595K	–	3415
2021 Q4	$595K	Sell	3,900 -1,100	-22%	-$170K	﹤0.01%	3076
2021 Q3	$808K	Sell	5,000 -12,000	-71%	-$2.02M	﹤0.01%	2811
2021 Q2	$2.78M	Buy	17,000 +15,000	+750%	+$2.31M	0.01%	1603
2021 Q1	$301K	Buy	+2,000	New	+$318K	﹤0.01%	3319
2020 Q4	–	Sell	-3,000	Closed	-$406K	–	3514
2020 Q3	$406K	Sell	3,000 -1,000	-25%	-$136K	﹤0.01%	2385
2020 Q2	$547K	Sell	4,000 -2,000	-33%	-$255K	﹤0.01%	1941
2020 Q1	$646K	Buy	+6,000	New	+$691K	0.01%	1752
2019 Q4	–	Sell	-20,000	Closed	-$1.99M	–	3791
2019 Q3	$1.99M	Buy	20,000 +12,000	+150%	+$1.26M	0.01%	1447
2019 Q2	$873K	Buy	+8,000	New	+$851K	﹤0.01%	2049
2018 Q4	–	Sell	-6,000	Closed	-$732K	–	3223
2018 Q3	$732K	Sell	6,000 -23,000	-79%	-$2.71M	﹤0.01%	2199
2018 Q2	$3.19M	Buy	29,000 +24,000	+480%	+$2.57M	0.01%	1308
2018 Q1	$534K	Buy	+5,000	New	+$554K	﹤0.01%	2436

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.