NASA vs AFOS overlap

NASA and AFOS overlap 0.0% by weight, across 0 shared holdings.

NASAAFOS

Pick 2 to 4 ETFs.

0.0%

overlap by weight, across 0 shared holdings

NASA0.0% of the fund is in shared holdings, of 35

AFOS0.0% of the fund is in shared holdings, of 26

Top shared holdings

These funds hold nothing in common.

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: NASA, SEC Form N-PORT, May 31, 2026; AFOS, SEC Form N-PORT, May 29, 2026.

institutions report holding both, of 177 holding any

NASA1.3% of its 13F dollars, 3.0% of its 169 holders

AFOS0.9% of its 13F dollars, 38.5% of its 13 holders

Largest institutions holding both

Firm	NASA	AFOS
GTS Securities LLC	$2.1M	$292K
IFP Advisors, Inc	$34K	$1.2M
Principal Securities, Inc.	$668K	$473K
Envestnet Asset Management Inc.	$657K	$473K
Morgan Stanley	$286K	$11K

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: NASA institutional holders, AFOS institutional holders.

Frequently asked questions

How much do NASA and AFOS overlap?

0.0% by weight, with 0 holdings in common, using holdings for NASA as of May 31, 2026 and AFOS as of May 29, 2026.

Do institutions hold both NASA and AFOS?

5 Form 13F filers report positions in both, out of 177 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%.