Twin Tree Management’s iShares Biotechnology ETF IBB Stock Holding History

Twin Tree Management’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 Q1	$436K	Buy	+2,584	New	+$442K	0.01%	960
2025 Q2	–	Sell	-20,002	Closed	-$2.46M	–	1761
2025 Q1	$2.56M	Buy	+20,002	New	+$2.71M	﹤0.01%	1087
2023 Q1	–	Sell	-6	Closed	-$788	–	1407
2022 Q4	$788	Sell	6 -4,569	-100%	-$590K	﹤0.01%	1239
2022 Q3	$535K	Buy	4,575 +4,394	+2,428%	+$546K	﹤0.01%	1119
2022 Q2	$21K	Buy	+181	New	+$21.5K	﹤0.01%	1402
2021 Q4	–	Sell	-62,369	Closed	-$10.1M	–	1695
2021 Q3	$10.1M	Sell	62,369 -257,142	-80%	-$43.3M	0.02%	573
2021 Q2	$52.3M	Buy	+319,511	New	+$49.2M	0.14%	143
2021 Q1	–	Sell	-671	Closed	-$102K	–	1452
2020 Q4	$102K	Buy	+671	New	+$95.9K	﹤0.01%	1131
2020 Q3	–	Sell	-115,785	Closed	-$15.7M	–	1399
2020 Q2	$15.8M	Buy	+115,785	New	+$14.8M	0.06%	332
2018 Q3	–	Sell	-8,051	Closed	-$948K	–	1159
2018 Q2	$884K	Buy	+8,051	New	+$861K	0.01%	803
2018 Q1	–	Sell	-101,088	Closed	-$11.2M	–	1192
2017 Q4	$10.8M	Buy	101,088 +63,036	+166%	+$6.74M	0.08%	222
2017 Q3	$4.23M	Sell	38,052 -22,971	-38%	-$2.46M	0.03%	410
2017 Q2	$6.31M	Buy	61,023 +174	+0.3%	+$17.1K	0.05%	334
2017 Q1	$5.95M	Sell	60,849 -37,029	-38%	-$3.54M	0.05%	321
2016 Q4	$8.66M	Buy	+97,878	New	+$8.91M	0.08%	283

Other funds holding IBB

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Citigroup New York $235B AUM 32.99% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

Commerce Bank Kansas City, Missouri $20.7B AUM 23.76% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Twin Tree Management's IBB Position: Q1 2026 in Review

Twin Tree Management opened a new position in iShares Biotechnology ETF (IBB) in Q1 2026: 2,584 shares worth $436K. The stake represents 0.01% of the portfolio and ranks #960 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in IBB as recently as Q1 2025.

Twin Tree Management first reported a position in IBB in Q4 2016 and has held it in 15 quarters since. The position peaked at $52.3M in Q2 2021. 917 funds tracked by Wall St. Rank hold IBB as of Q1 2026.

Twin Tree Management held 2,584 shares of iShares Biotechnology ETF worth $436K as of Q1 2026.
iShares Biotechnology ETF was a new Twin Tree Management position in Q1 2026.
iShares Biotechnology ETF made up 0.01% of Twin Tree Management's portfolio in Q1 2026, its #960 holding.
Twin Tree Management first reported a position in iShares Biotechnology ETF in Q4 2016 and has held it in 15 quarters since.
Twin Tree Management's iShares Biotechnology ETF position peaked at $52.3M in Q2 2021.
917 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.