Who owns BlackRock Science and Technology Trust II?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of BSTZ from SEC Form 13F filings across 151 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 151 institutions disclosed 22.0M shares of BlackRock Science and Technology Trust II worth $659.0M — about 31.9% of shares outstanding; the largest disclosed holder is Saba Capital Management, L.P.. Source: SEC Form 13F filings, parsed by EvidInvest.
151
13F holders
$659.0M
value, 2026 filers
31.9%
of shares outstanding (22.0M sh)
27
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of BSTZ's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Saba Capital Management, L.P. | 5.7M | $171.1M | 4.4% | 8.3% | +3.0% |
| 2 | MORGAN STANLEY | 3.3M | $100.2M | 0.0% | 4.9% | -2.2% |
| 3 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 1.5M | $45.4M | 2.2% | 2.2% | +1.2% |
| 4 | UBS Group AG | 1.1M | $34.0M | 0.0% | 1.6% | -5.9% |
| 5 | BANK OF AMERICA CORP /DE/ | 993,064 | $29.8M | 0.0% | 1.4% | +7.2% |
| 6 | RAYMOND JAMES FINANCIAL INC | 941,190 | $28.3M | 0.0% | 1.4% | -3.5% |
| 7 | Invesco Ltd. | 844,911 | $25.4M | 0.0% | 1.2% | -9.8% |
| 8 | WEDBUSH SECURITIES INC | 763,870 | $22.9M | 0.6% | 1.1% | +16.3% |
| 9 | LAZARD ASSET MANAGEMENT LLC | 677,993 | $20.4M | 0.0% | 1% | 0.0% |
| 10 | Karpus Management, Inc. | 483,321 | $14.5M | 0.4% | 0.7% | +17.9% |
| 11 | FLAGSHIP HARBOR ADVISORS, LLC | 323,702 | $9.7M | 0.4% | 0.5% | +2.7% |
| 12 | Z3 Capital Partners, LLC | 316,562 | $9.5M | 2.0% | 0.5% | +3.0% |
| 13 | ROYAL BANK OF CANADA | 315,033 | $9.5M | 0.0% | 0.5% | +4.3% |
| 14 | Rockefeller Capital Management L.P. | 283,241 | $8.5M | 0.0% | 0.4% | +28.1% |
| 15 | OPPENHEIMER & CO INC | 257,568 | $7.7M | 0.1% | 0.4% | +10.3% |
| 16 | Steward Partners Investment Advisory, LLC | 243,765 | $7.3M | 0.0% | 0.4% | +57.7% |
| 17 | LPL Financial LLC | 193,382 | $5.8M | 0.0% | 0.3% | -3.1% |
| 18 | BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC | 190,304 | $5.7M | 0.7% | 0.3% | +14.6% |
| 19 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 176,994 | $5.2M | 0.0% | 0.3% | +28.2% |
| 20 | Potrero Capital Research LLCNEW | 167,198 | $5.0M | 2.8% | 0.2% | new |
| 21 | Thomas J. Herzfeld Advisors, Inc. | 166,033 | $5.0M | 1.5% | 0.2% | +100.8% |
| 22 | OSAIC HOLDINGS, INC. | 150,764 | $4.5M | 0.0% | 0.2% | +7.6% |
| 23 | Summit Financial, LLC | 138,072 | $4.1M | 0.0% | 0.2% | +179.4% |
| 24 | RFG Advisory, LLC | 97,792 | $2.9M | 0.0% | 0.1% | +1.5% |
| 25 | STIFEL FINANCIAL CORP | 94,558 | $2.8M | 0.0% | 0.1% | +3.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.