PTIR vs AMZD overlap
10 institutions report holding both PTIR and AMZD.
PTIRAMZD
Pick 2 to 4 ETFs.
We don’t have holdings for AMZD. Most funds that aren’t in the SEC’s N-PORT data are unit trusts, grantor trusts or very new funds. The institutions tab may still have them.
10
institutions report holding both, of 30 holding any
PTIR69.4% of its 13F dollars, 43.5% of its 23 holders
AMZD78.8% of its 13F dollars, 58.8% of its 17 holders
Largest institutions holding both
| Firm | PTIR | AMZD |
|---|---|---|
| Jane Street Group, LLC | $381K | $3.0M |
| Jump Financial, LLC | $549K | $2.8M |
| Optiver Holding B.V. | $2.6M | $527K |
| HRT Financial LP | $262K | $1.8M |
| Susquehanna International Group, LLP | $1.4M | $221K |
| SBI Securities Co., Ltd. | $1.1M | $9K |
| Goldman Sachs Group Inc. | $865K | $215K |
| Group One Trading LLC | $289K | $34K |
| UBS Group AG | $92K | $99K |
| Simplex Trading, LLC | $42K | $3K |
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: PTIR institutional holders, AMZD institutional holders.
Frequently asked questions
Do institutions hold both PTIR and AMZD?
10 Form 13F filers report positions in both, out of 30 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%.