2m 2m 2m 2m 2m 2m 2m
Amer Cstl Ins (ACIC)
NASDAQ
$11.18+$0.010 (+0.09%)
Price as of Jul 13, 2026 6:18 PM EDT- $541.3MMarket Cap
- 9.85%1-Year Change
- Insurance - Property & CasualtyIndustry
Amer Cstl Ins (ACIC)
$11.18+$0.010 (+0.09%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 3.77% | 1.8M | -38,250 (-2.09%) | Mar 31, 2026 |
VANGUARD GROUP INC | 2.79% | 1.4M | +58,130 (+4.30%) | Dec 31, 2025 |
TIETON CAPITAL MANAGEMENT, LLC | 2.63% | 1.3M | +54,565 (+4.28%) | Mar 31, 2026 |
EMPYREAN CAPITAL PARTNERS, LP | 2.33% | 1.1M | +186,487 (+16.55%) | Mar 31, 2026 |
N/A | 2.06% | 996,641 | +996,641 (+100.00%) | Mar 31, 2026 |
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 1.67% | 808,705 | +32,305 (+3.99%) | Mar 31, 2026 |
DIMENSIONAL FUND ADVISORS LP | 1.55% | 750,108 | +122,778 (+16.37%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
Ark ETF Trust | 6.75% | 3.3M | 0 (0.00%) | Apr 30, 2026 |
VANGUARD INDEX FUNDS | 2.01% | 974,348 | +88,852 (+9.12%) | Mar 31, 2026 |
iSHARES TRUST | 1.96% | 949,753 | 0 (0.00%) | Apr 30, 2026 |
AMERICAN CENTURY ETF TRUST | 1.38% | 667,516 | +67,434 (+10.10%) | Feb 28, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 0.68% | 330,461 | +58,146 (+17.60%) | Apr 30, 2026 |
Dimensional ETF Trust | 0.57% | 276,977 | +77,231 (+27.88%) | Apr 30, 2026 |
FIDELITY SALEM STREET TRUST | 0.50% | 240,862 | +217,026 (+90.10%) | Apr 30, 2026 |
Current Ownership Distribution
- Insiders48.6M (39.74%)
- Mutual Funds41.3M (33.76%)
- Institutions32.4M (26.50%)
- Other0 (0.00%)
Insider Transactions
- 39.74% (48.6M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $292,995.45Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $1.0MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $0.00 | 6,430 | $0.00 | 38,459 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $0.00 | 5,627 | $0.00 | 32,009 |
Gray James Andy Chief Compliance/Risk Officer | Exempt | Apr 03, 2026 | $0.00 | 4,421 | $0.00 | 16,833 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $0.00 | 11,654 | $0.00 | 82,197 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $0.00 | 3,215 | $0.00 | 19,229 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $0.00 | 2,813 | $0.00 | 16,005 |
Castle Svetlana Chief Financial Officer | Exempt | Apr 03, 2026 | $0.00 | 4,421 | $0.00 | 16,833 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $0.00 | 5,826 | $0.00 | 41,101 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $2,510.82 | 222 | $11.31 | 1,304 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $2,205.45 | 195 | $11.31 | 1,084 |
Gray James Andy Chief Compliance/Risk Officer | Exempt | Apr 03, 2026 | $0.00 | 2,210 | $0.00 | 8,418 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $4,557.93 | 403 | $11.31 | 2,778 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $1,611.60 | 136 | $11.85 | 429 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $1,410.15 | 119 | $11.85 | 341 |
Castle Svetlana Chief Financial Officer | Exempt | Apr 03, 2026 | $0.00 | 2,210 | $0.00 | 8,418 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $2,915.10 | 246 | $11.85 | 781 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $5,032.95 | 445 | $11.31 | 2,607 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $4,399.59 | 389 | $11.31 | 2,168 |
Gray James Andy Chief Compliance/Risk Officer | Exempt | Apr 03, 2026 | $1,730.43 | 153 | $11.31 | 564 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $9,115.86 | 806 | $11.31 | 5,554 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $3,223.20 | 272 | $11.85 | 859 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $2,820.30 | 238 | $11.85 | 682 |
Castle Svetlana Chief Financial Officer | Exempt | Apr 03, 2026 | $1,730.43 | 153 | $11.31 | 564 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $5,830.20 | 492 | $11.85 | 1,563 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $0.00 | 14,294 | $0.00 | 117,316 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $0.00 | 12,509 | $0.00 | 98,995 |
Gray James Andy Chief Compliance/Risk Officer | Exempt | Apr 03, 2026 | $1,113.90 | 94 | $11.85 | 92 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $0.00 | 25,903 | $0.00 | 391,846 |
Griffith Christopher Chief Operating Officer | In Kind | Apr 03, 2026 | $46,523.77 | 4,241 | $10.97 | 113,075 |
Adler Brooke Secretary | In Kind | Apr 03, 2026 | $40,720.64 | 3,712 | $10.97 | 95,283 |