NBSM vs CSB overlap
NBSM and CSB overlap 3.7% by weight, across 4 shared holdings.
Pick 2 to 4 ETFs.
Top shared holdings
| Holding | NBSM | CSB | Overlap |
|---|---|---|---|
| AMER States WATEAWR | 1.65% | 1.70% | 1.65% |
| Archrock Inc.AROC | 0.92% | 1.14% | 0.92% |
| Nexstar MediaNXST | 1.14% | 0.66% | 0.66% |
| Idacorp Inc.IDA | 0.50% | 1.95% | 0.50% |
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: NBSM, SEC Form N-PORT, May 31, 2026; CSB, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | NBSM | CSB |
|---|---|---|
| Bank of America Corp. | $5.7M | $14.6M |
| LPL Financial LLC | $7.8M | $4.8M |
| Cambridge Investment Research Advisors, Inc. | $8.2M | $494K |
| Raymond James Financial Inc. | $6.5M | $1.5M |
| UBS Group AG | $43K | $7.6M |
| Rockefeller Capital Management L.P. | $43K | $5.5M |
| Susquehanna International Group, LLP | $398K | $1.4M |
| Morgan Stanley | $1.5M | $213K |
| Osaic Holdings, Inc. | $89K | $89K |
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: NBSM institutional holders, CSB institutional holders.
Frequently asked questions
How much do NBSM and CSB overlap?
3.7% by weight, with 4 holdings in common, using holdings for NBSM as of May 31, 2026 and CSB as of June 30, 2026. The largest shared position is AWR.
Do institutions hold both NBSM and CSB?
9 Form 13F filers report positions in both, out of 72 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%.