// company-profile
Oppenheimer Holdings Inc
OPYExchangeNYSESectorSecurity Brokers, Dealers & Flotation CompaniesInc.DEFilings51Insiders13
// api This Oppenheimer Holdings Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Oppenheimer Holdings Inc insiders filed 1 Form 4 transaction, none of which were open-market purchases or sales.
- Most active insider: Lowenthal Robert S with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Oppenheimer Holdings Inc as of 2026-03-31
Total reported AUM
$350.5M
QoQ change
+31.0%
Reporting period
2026-03-31
#1
JB CAPITAL PARTNERS LP
CIK 1138532
$44.9M
504K shares
#2
DIMENSIONAL FUND ADVISORS LP
CIK 354204
$41.9M
470K shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$34.9M
391K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 8, 2026 | Lowenthal Robert S | OPY | J | 100,000 | — | — |
| Mar 2, 2026 | McNAMARA DENNIS P | OPY | Sale | 4,673 | $90.67 | $424K |
| Feb 26, 2026 | Spaulding Suzanne | OPY | J | 1,400 | — | — |
| Feb 26, 2026 | ROTH R LAWRENCE | OPY | J | 1,400 | — | — |
| Feb 26, 2026 | Kanter Stacy J. | OPY | J | 1,400 | — | — |
45 more transactions hidden
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