SANTANDER INVESTMENT SECURITIES INC.
SEC file number 801-70715
· NEW YORK, NY
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Regulatory AUM
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Discretionary AUM
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Employees
170
Clients
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Firm
- Address
- 45 EAST 53RD STREET
NEW YORK, NY 10022-4604 - Phone
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- Website
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- Disciplinary
- Unknown — verify on SEC IAPD
Sources
- Search SEC IAPD to verify this firm ↗
- Last refreshed Apr 28, 2026
No Form D filings matched on issuer name. (Adviser GPs often file under a separately-named LP, so a missing match is normal.)