CRD #102500 · FINRA BrokerCheck + SEC IAPD

Archipelago Securities L.L.C.

According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Archipelago Securities L.L.C. ranks #1,115 of 20,055 by disclosure count (most disclosures first). Among firms registered in IL, it ranks #42 of 200 on the same disclosure sort used on the state browse page. Archipelago Securities L.L.C. carries 6 BrokerCheck disclosures across 4 branch offices - elevated load for a small firm, earning a Grade B.

Verify on FINRA BrokerCheck → Browse all firms
Grade B
Safety grade
4
branch offices
6
disclosures
#1,115 of 20,055
disclosure rank · graded

FINRA BrokerCheck disclosure docket

CRD record 102500 Archipelago Securities L.L.C.

Archipelago Securities L.L.C. · Grade B · 6 disc · 1.50/office · Small firm

  • CRD 102500
  • GRADE B
  • DISC 6
  • REG 6
  • ARB 0
  • CIV 0
  • BRANCH 4
  • PER-OFF 1.50
  • RANK #1,115 of 20,055
  • BOOK Small firm

Intensity peers

Nearest same-size peer: ACS Execution Services, LLC (1.50 disc/office)

ACS Execution Services,…1.50Allied Millennial Partn…1.50ANZ Securities, Inc.1.50Archipelago Securit… (this)1.50
Disclosures per office among small firm peers (lower is cleaner)

Archipelago Securities L.L.C. ranks #1,115 of 20,055 by disclosure count among graded broker-dealers; elevated load at 1.50 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

4 offices

FINRA: Small firm

Total disclosures

6 events

On FINRA BrokerCheck

Regulatory events

6 actions

100% of all disclosures

Disclosures per office

1.50 per office

6 ÷ 4 offices

Archipelago Securities L.L.C. vs. every disclosing firm

Disclosures per branch office, the size-normalized signal behind the grade (lower is cleaner)

2 a cleaner per-office record than 17% of 1,251 disclosing firms

0–0: 314 disclosing firms (25%). Below this entry. 0–1: 159 disclosing firms (13%). Below this entry. 1–1: 301 disclosing firms (24%). Below this entry. 1–1: 40 disclosing firms (3%). Below this entry. 1–1: 140 disclosing firms (11%). Below this entry. 1–2: 32 disclosing firms (3%). Below this entry. 2–2: 65 disclosing firms (5%). This entry sits in this band. 2–2: 9 disclosing firms (1%). Above this entry. 2–2: 72 disclosing firms (6%). Above this entry. 2–3: 14 disclosing firms (1%). Above this entry. 3–3: 24 disclosing firms (2%). Above this entry. 3–3: 6 disclosing firms (0%). Above this entry. 3–3: 32 disclosing firms (3%). Above this entry. 3–4: 5 disclosing firms (0%). Above this entry. 4–4: 10 disclosing firms (1%). Above this entry. 4–4: 3 disclosing firms (0%). Above this entry. 4–4: 9 disclosing firms (1%). Above this entry. 4–5: 3 disclosing firms (0%). Above this entry. 5–5: 11 disclosing firms (1%). Above this entry. 5–5: 2 disclosing firms (0%). Above this entry. This firm 0 5 every disclosing firm, by disclosures per office, bucketed by value

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
Regulatory Events 6
Arbitrations 0
Civil Events 0
Total 6

Counts for Archipelago Securities L.L.C. reflect events reported on FINRA BrokerCheck as of July 2026. Disclosures are reported events, not proven violations.

Disclosure category share

Regulatory 6 Arbitration 0 Civil 0

Firm Details

Firm Size
Small
Scope
ACTIVE
Location
Chicago, IL
CRD Number
102500

Regulator-heavy mix

Archipelago Securities L.L.C. in the heavier-disclosure third

Archipelago Securities L.L.C. carries 6 BrokerCheck disclosures across 4 branch offices - a heavier-third raw book among graded firms (#1,115 of 20,055). Regulator-initiated events are 100% of the book (6 regulatory / 0 arbitration / 0 civil).

100% of Archipelago Securities L.L.C.'s 6 disclosures are regulator-initiated (6 events). Verify on FINRA BrokerCheck ↗ · how disclosures are interpreted.

Educational summary of Archipelago Securities L.L.C.'s disclosure book - not financial advice. Disclosures are reported events, not proven violations; consult a licensed advisor before decisions.

Illinois cohort · 1.18× state average

Archipelago Securities L.L.C. sits above the Illinois disclosure average

Archipelago Securities L.L.C. reports 6 BrokerCheck disclosures, 1.18× the Illinois average of 5.1 across 200 graded firms with a principal-office state on file.

In Illinois, 99 firms carry Grade A and 8 carry Grade F on the same size-normalized scale.

Average uses graded firms with a principal-office state on file, not a full 50-state census. Open the Illinois state book →

Source: FINRA BrokerCheck & SEC IAPD Public Disclosure Data

Frequently Asked Questions

Where does Archipelago Securities L.L.C. sit among graded broker-dealers by disclosure count?
According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Archipelago Securities L.L.C. ranks #1,115 of 20,055 by disclosure count (most disclosures first). Among firms registered in IL, it ranks #42 of 200 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 Archipelago Securities L.L.C.?
A grade of B reflects Archipelago Securities L.L.C.'s disclosure intensity, its weighted disclosure load per branch office, ranked against other firms of a similar size (small firm). It carries 6 total disclosures across 4 branch offices. Review the specific disclosures on FINRA BrokerCheck before engaging.
How many FINRA disclosures does Archipelago Securities L.L.C. have?
Archipelago Securities L.L.C. has 6 total FINRA disclosures, including 6 regulatory events. Disclosures reflect reported events on FINRA BrokerCheck and do not necessarily indicate proven violations.
How big is Archipelago Securities L.L.C.?
Archipelago Securities L.L.C. operates 4 branch offices and is classified by FINRA as a small firm, registered in IL (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 Archipelago Securities L.L.C.'s disciplinary record?
You can verify Archipelago Securities L.L.C.'s full disciplinary history on FINRA BrokerCheck at brokercheck.finra.org using CRD number 102500. BrokerCheck provides detailed information about individual registered representatives, complaints, and regulatory actions.
What is a FINRA disclosure?
A FINRA disclosure is a reported event (regulatory, arbitration, or civil). Archipelago Securities L.L.C.'s 6 events mean reading the underlying BrokerCheck detail matters more than the raw count alone.
Should I avoid Archipelago Securities L.L.C. 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. Archipelago Securities L.L.C. carries 6 disclosures across 4 branch offices (about 1.50 per office). Review the nature of individual disclosures on FINRA BrokerCheck before making a decision.

Nationwide peers by disclosures or branches

Two PlainAdvisorCheck-derived peer sets for Archipelago Securities L.L.C., both outside IL so the neighborhoods are not state containment (the same-size intensity list below stays size-tier local).

Read with this firm

  • ACS Execution Services, LLC (NJ) - 1.50 disclosures/office, nearest small firm peer to Archipelago Securities L.L.C.'s 1.50
  • Allied Millennial Partners, LLC (NY) - 1.50 disclosures/office, nearest small firm peer to Archipelago Securities L.L.C.'s 1.50
  • ANZ Securities, Inc. (NY) - 1.50 disclosures/office, nearest small firm peer to Archipelago Securities L.L.C.'s 1.50
  • Firms in IL - state roster that includes Archipelago Securities L.L.C.'s registration home.
  • Red Flags in Advisor Records - How to read Archipelago Securities L.L.C.'s elevated load disclosure profile without over-reading raw counts.
  • Reading BrokerCheck Reports - Parse the 6 disclosures behind Archipelago Securities L.L.C.'s Grade B.
  • Highest-Risk Firms - Grade D/F firms on the same size-normalized scale as Archipelago Securities L.L.C..
  • Compare firms - put Archipelago Securities L.L.C. next to peers on grade and footprint.

Read our methodology - heavier-disclosure firms: how raw counts and per-office intensity are graded.

Retrieved and formatted by PlainAdvisorCheck from FINRA BrokerCheck public records.