According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Brock Securities LLC ranks #3,565 of 20,055 by disclosure count (most disclosures first). Among firms registered in NY, it ranks #257 of 868 on the same disclosure sort used on the state browse page. Brock Securities LLC carries 1 BrokerCheck disclosure across 2 branch offices - moderate load for a small firm, earning a Grade B.
Nearest same-size peer: 1964 Global (0.50 disc/office)
Disclosures per office among small firm peers (lower is cleaner)
Brock Securities LLC ranks #3,565 of 20,055 by disclosure count among graded broker-dealers; moderate load at 0.50 disclosures per office.Verify on FINRA BrokerCheck →
PlainAdvisorCheck rating 4/5 - an editorial, size-normalized signal, not a regulatory determination. Always verify the underlying record on FINRA BrokerCheck before engaging an advisor.
Data updated July 2026
Branch offices
2offices
FINRA: Small firm
Total disclosures
1event
On FINRA BrokerCheck
Regulatory events
1action
100% of all disclosures
Disclosures per office
0.50per office
1 ÷ 2 offices
Brock Securities LLC vs. every disclosing firm
Disclosures per branch office, the size-normalized signal behind the grade (lower is cleaner)
1a cleaner per-office record than 44% of 1,251 disclosing firms
Each bar is a band; taller bars hold more disclosing firms. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source FINRA BrokerCheck · SEC IAPD · 2026
Disclosure Breakdown
Disclosure Type
Count
% of Disclosures
Regulatory Events
1
100.0%
Arbitrations
0
0.0%
Civil Events
0
0.0%
Total
1
100.0%
Counts for Brock Securities LLC reflect events reported on FINRA BrokerCheck as of July 2026. Disclosures are reported events, not proven violations.
Disclosure category share
Regulatory 1Arbitration 0Civil 0
Firm Details
Firm Size
Small
Scope
ACTIVE
Location
New York, NY
CRD Number
122156
Regulator-heavy mix
Brock Securities LLC in the heavier-disclosure third
Brock Securities LLC carries 1 BrokerCheck disclosure across 2 branch offices - a heavier-third raw book among graded firms (#3,565 of 20,055). Regulator-initiated events are 100% of the book (1 regulatory / 0 arbitration / 0 civil).
Educational summary of Brock Securities LLC's disclosure book - not financial advice. Disclosures are reported events, not proven violations; consult a licensed advisor before decisions.
New York cohort · 0.11× state average
Brock Securities LLC sits below the New York disclosure average
Brock Securities LLC reports 1 BrokerCheck disclosure, 0.11× the New York average of 8.7, lighter than most of the 868 graded firms filed there.
In New York, 513 firms carry Grade A and 7 carry Grade F on the same size-normalized scale.
Source: FINRA BrokerCheck & SEC IAPD Public Disclosure Data
Frequently Asked Questions
Where does Brock Securities LLC sit among graded broker-dealers by disclosure count?
According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Brock Securities LLC ranks #3,565 of 20,055 by disclosure count (most disclosures first). Among firms registered in NY, it ranks #257 of 868 on the same disclosure sort used on the state browse page. Ordinals match the disclosure-first sort documented on our methodology corpus-placement section. A high disclosure rank is not automatically a finding of wrongdoing; larger firms accumulate more reported events. Always review the underlying FINRA BrokerCheck detail before engaging.
What does a grade of B mean for Brock Securities LLC?
A grade of B reflects Brock Securities LLC's disclosure intensity, its weighted disclosure load per branch office, ranked against other firms of a similar size (small firm). It carries 1 total disclosure across 2 branch offices. Review the specific disclosures on FINRA BrokerCheck before engaging.
How many FINRA disclosures does Brock Securities LLC have?
Brock Securities LLC has 1 total FINRA disclosure, including 1 regulatory event. Disclosures reflect reported events on FINRA BrokerCheck and do not necessarily indicate proven violations.
How big is Brock Securities LLC?
Brock Securities LLC operates 2 branch offices and is classified by FINRA as a small firm, registered in NY (Small firm). FINRA BrokerCheck publishes branch-office counts but not a firmwide registered-representative headcount, so PlainAdvisorCheck measures firm size by branch footprint.
Where can I verify Brock Securities LLC's disciplinary record?
You can verify Brock Securities LLC's full disciplinary history on FINRA BrokerCheck at brokercheck.finra.org using CRD number 122156. BrokerCheck provides detailed information about individual registered representatives, complaints, and regulatory actions.
What is a FINRA disclosure?
A FINRA disclosure is a reported event on a broker-dealer's record, including regulatory actions, customer complaints, arbitration proceedings, and civil court events. Disclosures are part of the public record maintained by FINRA and do not necessarily indicate wrongdoing or proven violations.
Should I avoid Brock Securities LLC because of its disclosures?
Not necessarily. Larger firms accumulate more disclosures simply because they operate more offices, so PlainAdvisorCheck grades each firm against same-size peers rather than on raw counts. Brock Securities LLC carries 1 disclosure across 2 branch offices (about 0.50 per office). Review the nature of individual disclosures on FINRA BrokerCheck before making a decision.
Read with this firm
1964 Global (NY) - 0.50 disclosures/office, nearest small firm peer to Brock Securities LLC's 0.50
ABG Sundal Collier Inc. (NY) - 0.50 disclosures/office, nearest small firm peer to Brock Securities LLC's 0.50
ABN Amro Securities (USA) LLC (NJ) - 0.50 disclosures/office, nearest small firm peer to Brock Securities LLC's 0.50
Firms in NY - state roster that includes Brock Securities LLC's registration home.