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

BLACKROCK SCIENCE & TECHNOLO's ticker is BSTZ and the CUSIP is 09260K101. A total of 74 filers reported holding BLACKROCK SCIENCE & TECHNOLO in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.2%.

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 Q4 2020
NameSharesValueWeighting ↓
Bickling Financial Services, Inc. 192,418$7,423,0003.76%
Thomas J. Herzfeld Advisors, Inc. 168,939$6,518,0002.88%
1607 Capital Partners, LLC 534,817$20,633,0001.04%
TRU INDEPENDENCE ASSET MANAGEMENT 2, LLC 33,854$1,306,0000.93%
Claro Advisors LLC 53,909$2,080,0000.88%
Ahrens Investment Partners LLC 29,215$1,127,0000.54%
SMITH, MOORE & CO. 88,247$3,405,0000.52%
Claraphi Advisory Network, LLC 20,577$794,0000.28%
Fortis Advisors, LLC 10,795$416,0000.25%
TRANSCEND CAPITAL ADVISORS, LLC 58,099$2,353,0000.21%
View complete list of BLACKROCK SCIENCE & TECHNOLO shareholders