Jim Simons’s iShares Biotechnology ETF IBB Stock Holding History

Jim Simons’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
2026 Q2	$4.2M	Buy	22,100 +15,900	+256%	+$2.73M	0.01%	1553
2026 Q1	$1.05M	Sell	6,200 -20,200	-77%	-$3.45M	﹤0.01%	2255
2025 Q4	$4.46M	Sell	26,400 -1,082	-4%	-$176K	0.01%	1373
2025 Q3	$3.97M	Buy	+27,482	New	+$3.75M	0.01%	1631
2025 Q1	–	Sell	-13,100	Closed	-$1.73M	–	3619
2024 Q4	$1.73M	Buy	+13,100	New	+$1.84M	﹤0.01%	2147
2023 Q2	–	Sell	-12,500	Closed	-$1.62M	–	4071
2023 Q1	$1.62M	Buy	+12,500	New	+$1.64M	﹤0.01%	2156
2022 Q4	–	Sell	-10,600	Closed	-$1.24M	–	4237
2022 Q3	$1.24M	Sell	10,600 -24,400	-70%	-$3.03M	﹤0.01%	2368
2022 Q2	$4.12M	Buy	35,000 +33,400	+2,088%	+$3.96M	﹤0.01%	1703
2022 Q1	$208K	Buy	+1,600	New	+$208K	﹤0.01%	3631
2021 Q1	–	Sell	-10,795	Closed	-$1.64M	–	3479
2020 Q4	$1.64M	Buy	+10,795	New	+$1.54M	﹤0.01%	2248
2020 Q1	–	Sell	-4,700	Closed	-$566K	–	3596
2019 Q4	$566K	Buy	+4,700	New	+$524K	﹤0.01%	2853
2019 Q3	–	Sell	-19,800	Closed	-$2.16M	–	3543
2019 Q2	$2.16M	Buy	19,800 +9,500	+92%	+$1.01M	﹤0.01%	2281
2019 Q1	$1.15M	Buy	+10,300	New	+$1.13M	﹤0.01%	2607

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

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

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

Envestnet Asset Management Chicago, Illinois $424B AUM 22.9% 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

Jim Simons's IBB Position: Q2 2026 in Review

Jim Simons increased its iShares Biotechnology ETF (IBB) stake by 256% in Q2 2026, buying an estimated $2.73M and bringing the position to 22,100 shares worth $4.2M. The position accounts for 0.01% of the portfolio, ranked #1553.

Jim Simons first reported a position in IBB in Q1 2019 and has held it in 13 quarters since. The position peaked at $4.46M in Q4 2025. 960 funds tracked by Wall St. Rank hold IBB as of Q2 2026.

Jim Simons held 22,100 shares of iShares Biotechnology ETF worth $4.2M as of Q2 2026.
Jim Simons bought 15,900 iShares Biotechnology ETF shares in Q2 2026, an estimated $2.73M.
iShares Biotechnology ETF made up 0.01% of Jim Simons's portfolio in Q2 2026, its #1553 holding.
Jim Simons first reported a position in iShares Biotechnology ETF in Q1 2019 and has held it in 13 quarters since.
Jim Simons's iShares Biotechnology ETF position peaked at $4.46M in Q4 2025.
960 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.