| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.1M | $93.2M | +4.5% | 6.935% | 0.00% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $57.4M | -0.3% | 4.269% | 0.00% |
| 6 | STATE STREET CORP | 1.7M | $48.9M | +8.9% | 3.636% | 0.00% |
| 7 | Jupiter Topco LLC | 1.6M | $47.1M | — | 3.507% | 0.02% |
| 8 | GOLDMAN SACHS GROUP INC | 1.2M | $36.8M | +87.5% | 2.735% | 0.00% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 939K | $27.8M | -3.3% | 2.069% | 0.00% |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 858K | $25.4M | +174.3% | 1.891% | 0.01% |
| 11 | Qube Research & Technologies Ltd | 814K | $24.1M | +72.0% | 1.794% | 0.02% |
| 12 | FULLER & THALER ASSET MANAGEMENT, INC. | 713K | $21.1M | +4.2% | 1.571% | 0.06% |
| 13 | SHAPIRO CAPITAL MANAGEMENT LLC | 704K | $20.8M | +36.2% | 1.550% | 1.26% |
| 14 | Clearline Capital LP | 689K | $20.4M | +96.7% | 1.518% | 1.22% |
| 15 | TWO SIGMA INVESTMENTS, LP | 652K | $19.3M | +302.5% | 1.437% | 0.01% |
| 16 | FIRST TRUST ADVISORS LP | 626K | $18.5M | +54.4% | 1.379% | 0.01% |
| 17 | Lightrock Netherlands B.V. | 574K | $17.0M | — | 1.264% | 3.36% |
| 18 | GENEVA CAPITAL MANAGEMENT LLC | 558K | $16.5M | -22.4% | 1.230% | 0.38% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 550K | $16.3M | +10.9% | 1.212% | 0.00% |
| 20 | DIMENSIONAL FUND ADVISORS LP | 543K | $16.1M | -42.9% | 1.197% | 0.00% |
| 21 | NORTHERN TRUST CORP | 536K | $15.9M | -6.5% | 1.180% | 0.00% |
| 22 | P2 Capital Partners, LLC | 483K | $14.3M | 0.0% | 1.064% | 5.82% |
| 23 | BANK OF AMERICA CORP /DE/ | 429K | $12.7M | +21.8% | 0.944% | 0.00% |
| 24 | UBS Group AG | 425K | $12.6M | +101.5% | 0.937% | 0.00% |
| 25 | FMR LLC | 269K | $8.0M | +20.0% | 0.592% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in BLKB — a direct measure of their conviction.
| 97.02% |
| +1.07 pp |
| $2.79B |
| 17% |
| Q4 2024 | 273 | 1.1% | 95.95% | +2.02 pp | $3.34B | 13% |
| Q3 2024 | 276 | — | 93.93% | — | $3.86B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
53 institutions opened new positions in BLKB during Q2 2026, while 67 fully exited. 70 added to existing positions and 149 trimmed.
BLKB institutional ownership rose by 10.85 percentage points quarter-over-quarter, with a net change of -9 holders.
The top 10 institutions account for 65.8% of all reported 13F value in BLKB, and the top 25 account for 83.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.