TAFL vs MMMA overlap
TAFL and MMMA overlap 1.1% by weight, across 3 shared holdings.
Pick 2 to 4 ETFs.
These funds report on different dates (TAFL: May 31, 2026, MMMA: July 31, 2026), so market moves and index changes between those dates lower the number. Funds tracking the same index can read well below their true overlap.
Top shared holdings
| Holding | TAFL | MMMA | Overlap |
|---|---|---|---|
| Buckeye OH Tobacco Settlement FING AUTHBUCGEN | 0.69% | 1.32% | 0.69% |
| AZ St INDL DEV AUTH-a | 0.35% | 3.53% | 0.35% |
| Puerto Rico Sales Tax FING Corp. Sales Tax RevenuePRCGEN | 0.05% | 0.47% | 0.05% |
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: TAFL, SEC Form N-PORT, May 31, 2026; MMMA, SEC Form N-PORT, July 31, 2026.
Largest institutions holding both
| Firm | TAFL | MMMA |
|---|---|---|
| Jane Street Group, LLC | $829K | $512K |
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: TAFL institutional holders, MMMA institutional holders.
Frequently asked questions
How much do TAFL and MMMA overlap?
1.1% by weight, with 3 holdings in common, using holdings for TAFL as of May 31, 2026 and MMMA as of July 31, 2026. The largest shared position is BUCGEN.
Do institutions hold both TAFL and MMMA?
1 Form 13F filers report positions in both, out of 22 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%.