Data as of: Sep 08, 2026 12:45 PM ET
IL-06 House
IL
· Primary: 2026-03-17
· General: 2026-11-03
· In Race Since: 2025-01-01 (20 months)
· GENERAL
Primary Result
At a Glance
Our Candidate
Sean Casten
ENDORSED
Raised
$2.11M
COH
$1.29M
Key Opponent
Niki Conforti
REP
Raised
$313K
COH
$23K
COH Ratio: 56.71x
COH Gap: $1.26M
Reports Filed: 28
Last Quarter:
Sean Casten $314K vs Niki Conforti $39K
(+$276K advantage)
Outside Spending Summary
$12K supporting our candidate / $0 opposing
$0 supporting opponent / $0 opposing
Primary Field
| Candidate | Party | Raised | COH |
|---|---|---|---|
| ★ CASTEN, SEAN OURS | DEM | $2.11M | $1.29M |
| RUZEVICH, JOSEPH | DEM | $169K | $22K |
| CONFORTI, NIKI | REP | $313K | $23K |
| DUENSING, SKYLAR | REP | $11K | $243 |
Quarterly Summary — Our Candidate
| Period | Raised | Spent | COH |
|---|---|---|---|
| JULY QUARTERLY thru 2026-06-30 | $314K | $211K | $1.29M |
| APRIL QUARTERLY thru 2026-03-31T00:00:00 | $209K | $222K | $1.18M |
| APRIL QUARTERLY thru 2026-03-31 | $209K | $222K | $1.18M |
| PRE-PRIMARY thru 2026-02-25T00:00:00 | $160K | $297K | $1.19M |
| F3A thru 2026-02-25 | $160K | $297K | $1.19M |
| YEAR-END thru 2025-12-31T00:00:00 | $271K | $209K | $1.33M |
| YEAR-END thru 2025-12-31 | $271K | $209K | $1.33M |
| OCTOBER QUARTERLY thru 2025-09-30T00:00:00 | $410K | $200K | $1.27M |
| OCTOBER QUARTERLY thru 2025-09-30 | $410K | $200K | $1.27M |
| JULY QUARTERLY thru 2025-06-30T00:00:00 | $357K | $246K | $1.06M |
| APRIL QUARTERLY thru 2025-03-31T00:00:00 | $387K | $134K | $947K |
| APRIL QUARTERLY thru 2025-03-31 | $387K | $134K | $947K |
Candidates — Full Financial Breakdown
| Candidate | Party | Total Raised | Individual | PAC | Self-Fund | Spent | COH | Debt | Tags |
|---|---|---|---|---|---|---|---|---|---|
| ★ CASTEN, SEAN | DEM | $2.11M | $1.34M | $724K | $0 | $1.52M | $1.29M | $456K | STEM Inc. |
| CONFORTI, NIKI | REP | $313K | $308K | $5K | $0 | $296K | $23K | $0 | Key Opp |
| RUZEVICH, JOSEPH | DEM | $169K | $143K | $0 | $26K | $109K | $22K | $0 | |
| DUENSING, SKYLAR | REP | $11K | $11K | $0 | $0 | $11K | $243 | $0 |
Filing History
| Candidate | Report | Coverage | Receipts | Disbursements | COH | Status | Filing |
|---|---|---|---|---|---|---|---|
| CONFORTI, NIKI | JULY QUARTERLY | 2026-04-01 – 2026-06-30 | $39K | $47K | $23K | Original | View Filing |
| CASTEN, SEAN | JULY QUARTERLY | 2026-04-01 – 2026-06-30 | $314K | $211K | $1.29M | Original | View Filing |
| DUENSING, SKYLAR | JULY QUARTERLY | 2026-04-01 – 2026-06-30 | $0 | $23 | $243 | Original | View Filing |
| CASTEN, SEAN | APRIL QUARTERLY | 2026-02-26T00:00:00 – 2026-03-31T00:00:00 | $209K | $222K | $1.18M | Original | View Filing |
| DUENSING, SKYLAR | APRIL QUARTERLY | 2026-02-26T00:00:00 – 2026-03-31T00:00:00 | $3K | $3K | $266 | Original | View Filing |
| CASTEN, SEAN | APRIL QUARTERLY | 2026-02-26 – 2026-03-31 | $209K | $222K | $1.18M | Amended | View Filing |
| CONFORTI, NIKI | APRIL QUARTERLY | 2026-02-26 – 2026-03-31 | $21K | $26K | $31K | Original | View Filing |
| RUZEVICH, JOSEPH | PRE-PRIMARY | 2026-01-01T00:00:00 – 2026-02-25T00:00:00 | $45K | $78K | $22K | Amended | View Filing |
| RUZEVICH, JOSEPH | PRE-PRIMARY | 2026-01-01T00:00:00 – 2026-02-25T00:00:00 | $45K | $78K | -$33K | Original | View Filing |
| CONFORTI, NIKI | PRE-PRIMARY | 2026-01-01T00:00:00 – 2026-02-25T00:00:00 | $52K | $56K | $36K | Original | View Filing |
| CASTEN, SEAN | PRE-PRIMARY | 2026-01-01T00:00:00 – 2026-02-25T00:00:00 | $160K | $297K | $1.19M | Original | View Filing |
| DUENSING, SKYLAR | PRE-PRIMARY | 2026-01-01T00:00:00 – 2026-02-25T00:00:00 | $5K | $4K | $1K | Original | View Filing |
| CASTEN, SEAN | F3A | 2026-01-01 – 2026-02-25 | $160K | $297K | $1.19M | Amended | View Filing |
| RUZEVICH, JOSEPH | YEAR-END | 2025-01-01T00:00:00 – 2025-12-31T00:00:00 | $119K | $25K | $94K | Amended | View Filing |
| CASTEN, SEAN | YEAR-END | 2025-10-01T00:00:00 – 2025-12-31T00:00:00 | $271K | $209K | $1.33M | Original | View Filing |
| DUENSING, SKYLAR | YEAR-END | 2025-10-01T00:00:00 – 2025-12-31T00:00:00 | $4K | $4K | -$118 | Original | View Filing |
| CONFORTI, NIKI | YEAR-END | 2025-10-01T00:00:00 – 2025-12-31T00:00:00 | $83K | $74K | $40K | Original | View Filing |
| CASTEN, SEAN | YEAR-END | 2025-10-01 – 2025-12-31 | $271K | $209K | $1.33M | Amended | View Filing |
| CASTEN, SEAN | OCTOBER QUARTERLY | 2025-07-01T00:00:00 – 2025-09-30T00:00:00 | $410K | $200K | $1.27M | Amended | View Filing |
| CONFORTI, NIKI | OCTOBER QUARTERLY | 2025-07-01T00:00:00 – 2025-09-30T00:00:00 | $85K | $68K | $32K | Original | View Filing |
| DUENSING, SKYLAR | OCTOBER QUARTERLY | 2025-07-01T00:00:00 – 2025-09-30T00:00:00 | $150 | $0 | $150 | Original | View Filing |
| RUZEVICH, JOSEPH | OCTOBER QUARTERLY | 2025-07-01T00:00:00 – 2025-09-30T00:00:00 | $6K | $6K | -$674 | Original | View Filing |
| CASTEN, SEAN | OCTOBER QUARTERLY | 2025-07-01 – 2025-09-30 | $410K | $200K | $1.27M | Amended | View Filing |
| CASTEN, SEAN | JULY QUARTERLY | 2025-04-01T00:00:00 – 2025-06-30T00:00:00 | $357K | $246K | $1.06M | Original | View Filing |
| CONFORTI, NIKI | JULY QUARTERLY | 2025-04-01T00:00:00 – 2025-06-30T00:00:00 | $27K | $23K | $14K | Original | View Filing |
| CASTEN, SEAN | APRIL QUARTERLY | 2025-01-01T00:00:00 – 2025-03-31T00:00:00 | $387K | $134K | $947K | Original | View Filing |
| CONFORTI, NIKI | APRIL QUARTERLY | 2025-01-01T00:00:00 – 2025-03-31T00:00:00 | $6K | $1K | $10K | Original | View Filing |
| CASTEN, SEAN | APRIL QUARTERLY | 2025-01-01 – 2025-03-31 | $387K | $134K | $947K | Amended | View Filing |
Independent Expenditures
| Date | Spender | Candidate | S/O | Amount |
|---|---|---|---|---|
| 2026-04-16 | UNITY & JUSTICE FUND | RUZEVICH, JOSEPH | S | $347 |
| 2026-02-19 | NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | CASTEN, SEAN | S | $600 |
| 2026-02-19 | NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | CASTEN, SEAN | S | $7K |
| 2026-02-19 | NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | CASTEN, SEAN | S | $4K |
| 2026-01-09 | SIERRA CLUB INDEPENDENT ACTION | CASTEN, SEAN | S | $10 |