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iShares NASDAQ Biotechnology Index shares owned by Winthrop Capital Management

Quarter-by-quarter ownership of iShares NASDAQ Biotechnology Index (IBB) shares owned by Winthrop Capital Management from 13F filings

Historical chart of Winthrop Capital Management investment in iShares NASDAQ Biotechnology Index

Tip: Access up to 7 years of quarterly data

All positions including iShares NASDAQ Biotechnology Index held by Winthrop Capital Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in iShares NASDAQ Biotechnology Index by Winthrop Capital Management

Quarter filed Position value Share count Share price at filing
2025-09-30 $19k 135 140.74
2025-06-30 $27k 217 124.42
2025-03-31 $33k 259 127.41
2024-12-31 $2.3M 18k 131.67
2023-12-31 $2.6M 19k 135.85