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MARSHALL WACE, LLP

Position in IBB — iShares Biotechnology ETF

CIK 1318757 LONDON, X0

Position in IBB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$287,045
-$530,645 QoQ
Shares Held
1,700
-64.9% QoQ
Ownership
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2020
15 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in IBB Over Time

Shares Held

Position Value (USD)

Derivatives in IBB

reported options exposure · as of Mar 31, 2026
CallValue
$320,815
CallShares
1,900
PutValue
$219,505
PutShares
1,300

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
32 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $287,045 1,700
2026-03-31 $219,505 1,300
2026-03-31 $320,815 1,900
2025-12-31 $50,631 300
2025-12-31 $3,189,753 18,900
2025-12-31 $817,690 4,845
2025-09-30 $11,361,919 78,700
2025-09-30 $4,807,521 33,300
2025-06-30 $145,106 1,147
2025-06-30 $607,248 4,800
2024-09-30 $320,320 2,200
2024-06-30 $7,768,916 56,600
2024-06-30 $2,482,896 18,089
2024-06-30 $4,378,594 31,900
2024-03-31 $1,193,814 8,700
2024-03-31 $343,050 2,500
2023-06-30 $5,409,892 42,611
2023-06-30 $952,200 7,500
2023-03-31 $2,361,948 18,287
2022-12-31 $10,316,899 78,581
2022-09-30 $912,288 7,800
2022-09-30 $1,735,218 14,836
2022-09-30 $315,792 2,700
2022-06-30 $823,410 7,000
2022-06-30 $788,591 6,704
2021-09-30 $6,354,024 39,300
2021-09-30 $355,696 2,200
2021-06-30 $3,927,600 24,000
2021-06-30 $1,931,070 11,800
2021-06-30 $130,265 796
2020-12-31 $67,761,477 447,300
2020-12-31 $28,177,140 186,000