MISL vs BLOK overlap
MISL and BLOK overlap 0.6% by weight, across 1 shared holdings.
Pick 2 to 4 ETFs.
Top shared holdings
| Holding | MISL | BLOK | Overlap |
|---|---|---|---|
| Space Explorat-aSPCX | 7.81% | 0.59% | 0.59% |
Overlap by weight adds up the smaller weight of each holding the funds share, so 100% means identical portfolios. Long securities only: derivatives and cash vehicles are left out. Sources: MISL, SEC Form N-PORT, June 30, 2026; BLOK, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | MISL | BLOK |
|---|---|---|
| Morgan Stanley | $10.8M | $105.3M |
| LPL Financial LLC | $49.0M | $52.8M |
| Wells Fargo & Company | $31.3M | $30.9M |
| Raymond James Financial Inc. | $38.4M | $1.8M |
| MML Investors Services, LLC | $16.8M | $5.2M |
| WCG Wealth Advisors LLC | $19.4M | $737K |
| Cambridge Investment Research Advisors, Inc. | $11.8M | $7.7M |
| Envestnet Asset Management Inc. | $7.4M | $11.9M |
| Kestra Advisory Services, LLC | $15.6M | $1.2M |
| Cetera Investment Advisers | $6.7M | $9.7M |
| Royal Bank of Canada | $4.5M | $9.2M |
| Janney Montgomery Scott LLC | $5.6M | $6.2M |
| Stifel Financial Corp. | $9.1M | $2.4M |
| Osaic Holdings, Inc. | $9.9M | $711K |
| HighTower Advisors, LLC | $256K | $10.2M |
This compares who owns the funds, not what the funds hold. From SEC Form 13F, for managers with $100M+ in US securities.
Who owns them: MISL institutional holders, BLOK institutional holders.
Frequently asked questions
How much do MISL and BLOK overlap?
0.6% by weight, with 1 holdings in common, using holdings for MISL as of June 30, 2026 and BLOK as of June 30, 2026. The largest shared position is SPCX.
Do institutions hold both MISL and BLOK?
62 Form 13F filers report positions in both, out of 341 that report either one.
How is overlap by weight worked out?
For each holding the two funds share, take the smaller of the two weights, then add those up. Identical portfolios score 100%.