Twin Tree Management
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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
Q3 		– Sell
-23,500
Closed -$4.47M – 1543
2026
Q2 		$4.47M Buy
+23,500
New +$4.04M 0.08% 302
2021
Q4 		– Sell
-78,100
Closed -$12.6M – 1696
2021
Q3 		$12.6M Sell
78,100
-219,300
-74% -$36.9M 0.03% 501
2021
Q2 		$48.7M Buy
+297,400
New +$45.8M 0.13% 160
2020
Q4 		– Sell
-46,500
Closed -$6.3M – 1374
2020
Q3 		$6.3M Sell
46,500
-144,700
-76% -$19.6M 0.03% 517
2020
Q2 		$26.1M Sell
191,200
-249,200
-57% -$31.8M 0.11% 221
2020
Q1 		$47.4M Buy
440,400
+250,200
+132% +$28.8M 0.23% 80
2019
Q4 		$22.9M Buy
+190,200
New +$21.2M 0.08% 196
2018
Q2 		– Sell
-25,400
Closed -$2.71M – 1227
2018
Q1 		$2.71M Sell
25,400
-428,900
-94% -$47.5M 0.02% 462
2017
Q4 		$48.5M Buy
454,300
+77,500
+21% +$8.28M 0.36% 44
2017
Q3 		$41.9M Buy
376,800
+179,700
+91% +$19.2M 0.33% 51
2017
Q2 		$20.4M Buy
197,100
+43,800
+29% +$4.31M 0.16% 133
2017
Q1 		$15M Sell
153,300
-248,700
-62% -$23.8M 0.14% 151
2016
Q4 		$35.6M Buy
+402,000
New +$36.6M 0.35% 46

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UBS Group
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LPL Financial
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Commerce Bank
Commerce Bank Kansas City, Missouri $22.9B AUM 22.61% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Truist Financial
Truist Financial Charlotte, North Carolina $84.4B AUM 20.16% 1-Year Est. Return
Janney Montgomery Scott
Janney Montgomery Scott Philadelphia, Pennsylvania $52.3B AUM 19.7% 1-Year Est. Return
WestEnd Advisors
WestEnd Advisors Charlotte, North Carolina $4.53B AUM 12.98% 1-Year Est. Return

Twin Tree Management's IBB Position: Q3 2026 in Review

Twin Tree Management sold out of iShares Biotechnology ETF (IBB) in Q3 2026, closing a stake of 11,620 shares — an estimated $2.21M sold.

Twin Tree Management first reported a position in IBB in Q4 2016 and held it in 16 quarters. The position peaked at $52.3M in Q2 2021. 798 funds tracked by Wall St. Rank hold IBB as of Q3 2026.

  • Twin Tree Management reported no remaining iShares Biotechnology ETF position as of Q3 2026 after selling out during the quarter.
  • Twin Tree Management sold 11,620 iShares Biotechnology ETF shares in Q3 2026, an estimated $2.21M.
  • Twin Tree Management first reported a position in iShares Biotechnology ETF in Q4 2016 and held it in 16 quarters.
  • Twin Tree Management's iShares Biotechnology ETF position peaked at $52.3M in Q2 2021.
  • 798 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q3 2026.

Based on Twin Tree Management's 13F filing for Q3 2026, filed 10 Nov 2026.