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Twin Tree Management, LP

Position in IBB — iShares Biotechnology ETF

CIK 1535588 DALLAS, TX

Position in IBB

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$2,210,007
+$1,773,699 QoQ
Shares Held
11,620
+349.7% QoQ
Ownership
of shares outstanding
% of Portfolio
0.39%
of 13F equity value
Holder Rank
#96
of 294 holders
Holding Since
Mar 2020
17 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IBB Over Time

Shares Held

Position Value (USD)

Derivatives in IBB

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$4,469,465
PutShares
23,500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

All Filings in IBB

Export CSV
23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,469,465 23,500
2026-06-30 $2,210,007 11,620
2026-03-31 $436,308 2,584
2025-09-30 $4,821,958 33,400
2025-06-30 $39,800,046 314,600
2025-03-31 $2,558,255 20,002
2024-12-31 $14,450,553 109,300
2024-06-30 $3,939,362 28,700
2024-03-31 $3,938,214 28,700
2022-12-31 $787 6
2022-09-30 $535,092 4,575
2022-06-30 $21,291 181
2021-09-30 $58,220,968 360,100
2021-09-30 $12,627,208 78,100
2021-09-30 $10,083,819 62,369
2021-06-30 $52,287,975 319,511
2021-06-30 $48,669,510 297,400
2020-12-31 $101,649 671
2020-09-30 $6,174,696 45,600
2020-09-30 $6,296,565 46,500
2020-06-30 $15,826,651 115,785
2020-06-30 $26,135,128 191,200
2020-03-31 $47,448,696 440,400