Thomas J. Herzfeld Advisors, Inc. - BLACKROCK SCIENCE & TECHNOLO ownership

BLACKROCK SCIENCE & TECHNOLO's ticker is BSTZ and the CUSIP is 09260K101. A total of 103 filers reported holding BLACKROCK SCIENCE & TECHNOLO in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Thomas J. Herzfeld Advisors, Inc. ownership history of BLACKROCK SCIENCE & TECHNOLO
ValueSharesWeighting
Q3 2023$1,213,641
-12.0%
73,554
-3.4%
0.47%
-14.6%
Q2 2023$1,378,877
+26249.6%
76,139
+27092.5%
0.55%
+27350.0%
Q1 2023$5,233
-99.8%
280
-99.8%
0.00%
-99.8%
Q4 2022$2,486,807
+124240.4%
159,003
+158903.0%
1.02%
+101800.0%
Q3 2022$2,000
-99.9%
100
-99.9%
0.00%
-99.9%
Q2 2022$2,500,000
-33.1%
127,614
+0.3%
1.04%
-26.1%
Q1 2022$3,737,000
-42.1%
127,244
-23.2%
1.40%
-40.3%
Q4 2021$6,455,000
-1.0%
165,757
-1.9%
2.34%
-18.6%
Q3 2021$6,518,000
-10.2%
168,939
-2.9%
2.88%
-5.0%
Q2 2021$7,259,000
+19.3%
174,033
+2.1%
3.03%
+9.7%
Q1 2021$6,085,000
+85.8%
170,499
+89.4%
2.76%
+80.6%
Q4 2020$3,275,000
+30.9%
90,012
-5.8%
1.53%
-9.1%
Q3 2020$2,502,000
+402.4%
95,563
+383.4%
1.68%
+588.9%
Q2 2020$498,00019,7670.24%
Other shareholders
BLACKROCK SCIENCE & TECHNOLO shareholders Q3 2021
NameSharesValueWeighting ↓
Bickling Financial Services, Inc. 180,786$3,190,0002.15%
Amplius Wealth Advisors, LLC 545,376$9,620,0001.72%
Quantedge Capital Pte Ltd 192,600$3,397,0001.05%
1607 Capital Partners, LLC 564,930$9,965,0000.77%
Karpus Management, Inc. 1,162,554$20,507,0000.72%
Claro Advisors LLC 70,617$1,383,0000.55%
SMITH, MOORE & CO. 184,651$3,257,0000.49%
Regent Peak Wealth Advisors LLC 46,590$821,0000.29%
CITY OF LONDON INVESTMENT MANAGEMENT CO LTD 180,470$3,180,0000.28%
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 98,619$1,740,0000.23%
View complete list of BLACKROCK SCIENCE & TECHNOLO shareholders