BlackRock Science and Technology Trust
US ˙ NYSE ˙ US09258G1040

SecurityBST / BlackRock Science and Technology Trust
InstitutionStifel Financial Corp
Latest Disclosed Ownership60,199 shares
Latest Disclosed Value $ 2,188,207
Stifel Financial Corp reports 1.03% decrease in ownership of BST / BlackRock Science and Technology Trust

On May 12, 2026 - Stifel Financial Corp filed a 13F-HR form disclosing ownership of 60,199 shares of BlackRock Science and Technology Trust (US:BST) valued at $2,188,234 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 60,828 shares of BlackRock Science and Technology Trust. This represents a change in shares of -1.03% during the quarter. The current value of the position is $2,932,895 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)
2026-05-12 2026-03-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 60,199 -629 -1.03 2,188 -11.24 0.0005
2026-02-13 2025-12-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 60,828 -1,842 -2.94 2,466 -4.90 0.0022
2025-11-12 2025-09-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 62,670 3,205 5.39 2,592 14.24 0.0024
2025-08-14 2025-06-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 59,465 4,810 8.80 2,270 25.85 0.0022
2025-05-14 2025-03-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 54,655 1,966 3.73 1,803 -6.39 0.0019
2025-02-13 2024-12-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 52,689 -991 -1.85 1,926 1.26 0.0020
2024-11-14 2024-09-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 53,680 -6,378 -10.62 1,902 -15.88 0.0020
2024-08-13 2024-06-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 60,058 851 1.44 2,262 3.48 0.0025
2024-05-14 2024-03-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 59,207 3,961 7.17 2,186 17.54 0.0025
2024-02-12 2023-12-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 55,246 14,209 34.62 1,860 44.33 0.0023
2023-11-13 2023-09-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 41,037 425 1.05 1,289 -7.87 0.0018
2023-08-14 2023-06-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 40,612 -3,474 -7.88 1,399 -1.89 0.0019
2023-05-12 2023-03-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 44,086 -9,624 -17.92 1,426 -6.43 0.0020
2023-02-13 2022-12-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 53,710 -2,285 -4.08 1,524 -7.42 0.0023
2022-11-14 2022-09-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 55,995 5,936 11.86 1,645 1.17 0.0027
2022-08-15 2022-06-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 50,059 791 1.61 1,626 -23.73 0.0025
2022-05-13 2022-03-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 49,268 6,617 15.51 2,132 0.05 0.0029
2022-02-14 2021-12-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 42,651 2,246 5.56 2,131 1.09 0.0028
2021-11-15 2021-09-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 40,405 18,851 87.46 2,108 14,957.14 0.0031
2021-08-13 2021-06-30 13F BLACKROCK SCIENCE & TECHNOLO RIGHT 07/14/2021 09258G112 21,554 -20,026 -48.16 14 -99.38 0.0000
2021-08-13 2021-06-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 37,654 -3,926 2,244 0.0034
2021-05-14 2021-03-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 41,580 900 2.21 2,249 3.74 0.0037
2021-02-12 2020-12-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 40,680 12,910 46.49 2,168 81.27 0.0039
2020-11-16 2020-09-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 27,770 -6,431 -18.80 1,196 -7.50 0.0025
2020-08-14 2020-06-30 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 34,201 3,195 10.30 1,293 45.28 0.0030
2020-05-14 2020-03-31 13F BLACKROCK SCIENCE & TECHNOLO SHS 09258G104 31,006 -1,022 -3.19 890 -16.98 0.0025
2020-02-13 2019-12-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 32,028 2,334 7.86 1,072 12.96 0.0022
2019-11-19 2019-09-30 13F/A-1 BLACKROCK SCIENCE & TECH TR SHS 09258G104 29,694 2,324 8.49 949 7.84 0.0024
2019-11-13 2019-09-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 29,480 2,110 943 528.5988
2019-08-14 2019-06-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 27,370 -3,156 -10.34 880 -12.09 0.0023
2019-05-14 2019-03-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 30,526 -35,253 -53.59 1,001 -44.54 0.0028
2019-02-13 2018-12-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 65,779 6,391 10.76 1,805 -14.54 0.0058
2018-11-13 2018-09-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 59,388 -5,478 -8.45 2,112 -2.90 0.0061
2018-08-14 2018-06-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 64,866 -43,441 -40.11 2,175 -33.20 0.0067
2018-05-11 2018-03-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 108,307 8,402 8.41 3,256 22.36 0.0103
2018-02-14 2017-12-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 99,905 -50,432 -33.55 2,661 -27.49 0.0084
2017-11-13 2017-09-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 150,337 -12,739 -7.81 3,670 1.44 0.0127
2017-08-14 2017-06-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 163,076 -7,657 -4.48 3,618 0.17 0.0134
2017-05-10 2017-03-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 170,733 -6,299 -3.56 3,612 13.62 0.0140
2017-02-16 2016-12-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 177,032 -6,624 -3.61 3,179 -7.05 0.0135
2016-11-15 2016-09-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 183,656 -36,376 -16.53 3,420 -5.81 0.0154
2016-08-17 2016-06-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 220,032 220,032 0.00 3,631 0.0168
2016-05-16 2016-03-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 0 -88,494 -100.00 0 -100.00
2016-03-21 2015-12-31 13F/A-2 BLACKROCK SCIENCE & TECH TR SHS 09258G104 88,494 11,208 14.50 1,532 25.06 0.0080
2016-02-26 2015-12-31 13F/A-1 BLACKROCK SCIENCE & TECH TR SHS 09258G104 89,194 700 1,544 0.0081
2016-02-16 2015-12-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 89,194 1,544
2015-11-16 2015-09-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 77,286 0 0.00 1,225 -10.19 0.0069
2015-08-17 2015-06-30 13F/A-1 BLACKROCK SCIENCE & TECH TR SHS 09258G104 77,286 -14 -0.02 1,364 -1.02 0.0071
2015-08-17 2015-06-30 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 77,286 1,364
2015-05-14 2015-03-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 77,300 5,200 7.21 1,378 8.68 0.0075
2015-02-13 2014-12-31 13F BLACKROCK SCIENCE & TECH TR SHS 09258G104 72,100 72,100 1,268 0.0070
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.