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US ˙ NYSE ˙ US09258G1040

SecurityBST / BlackRock Science and Technology Trust
InstitutionCommonwealth Equity Services, Inc
Latest Disclosed Ownership12,612 shares
Latest Disclosed Value $ 308,000
Commonwealth Equity Services, Inc reports 1.45% decrease in ownership of BST / BlackRock Science and Technology Trust

On February 16, 2018 - Commonwealth Equity Services, Inc filed a 13F-HR/A form disclosing ownership of 12,612 shares of BlackRock Science and Technology Trust (US:BST) valued at $308,111 USD as of September 30, 2017. The entity filed a previous 13F-HR/A on February 16, 2018 disclosing 12,797 shares of BlackRock Science and Technology Trust. This represents a change in shares of -1.45% during the quarter. The current value of the position is $579,017 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2018-02-16 2017-09-30 13F/A-1 BLACKROCK SCIENCE & TECH TR SHS 09258G104 12,612 -185 -1.45 308 8.45 0.0018
2017-11-07 2017-09-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 12,612 -185 308
2018-02-16 2017-06-30 13F/A-1 BLACKROCK SCIENCE & TECH TR SHS 09258G104 12,797 -146 -1.13 284 3.65
2017-08-11 2017-06-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 12,797 -146 284
2018-02-16 2017-03-31 13F/A-1 BLACKROCK SCIENCE & TECH TR SHS 09258G104 12,943 1,595 14.06 274 34.31
2017-05-15 2017-03-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 12,943 1,595 274
2018-02-16 2016-12-31 13F/A-1 BLACKROCK SCIENCE & TECH TR SHS 09258G104 11,348 0 0.00 204 0.00
2017-02-01 2016-12-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 11,348 204
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.