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Amer Cstl Ins (ACIC)
NASDAQ
$9.18$0.00 (0.00%)
Price as of Aug 21, 2026 7:30 PM EDT- $433.9MMarket Cap
- -10.22%1-Year Change
- Insurance - Property & CasualtyIndustry
Amer Cstl Ins (ACIC)
$9.18$0.00 (0.00%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 4.70% | 2.3M | +451,801 (+19.82%) | Jun 30, 2026 |
VANGUARD GROUP INC | 2.79% | 1.4M | +58,130 (+4.30%) | Dec 31, 2025 |
TIETON CAPITAL MANAGEMENT, LLC | 2.59% | 1.3M | -18,575 (-1.48%) | Jun 30, 2026 |
VANGUARD CAPITAL MANAGEMENT LLC | 2.05% | 995,636 | -1,005 (-0.10%) | Jun 30, 2026 |
DIMENSIONAL FUND ADVISORS LP | 1.84% | 893,772 | +143,664 (+16.07%) | Jun 30, 2026 |
AMERICAN CENTURY COMPANIES INC | 1.75% | 848,367 | +128,930 (+15.20%) | Jun 30, 2026 |
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 1.67% | 808,705 | 0 (0.00%) | Jun 30, 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%) | May 31, 2026 |
AMERICAN CENTURY ETF TRUST | 1.54% | 748,161 | +80,645 (+10.78%) | May 31, 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 CONCORD STREET TRUST | 0.51% | 247,091 | +6,218 (+2.52%) | May 31, 2026 |
Current Ownership Distribution
- Insiders48.7M (34.57%)
- Institutions48.5M (34.40%)
- Mutual Funds43.7M (31.03%)
- Other0 (0.00%)
Insider Transactions
- 34.57% (48.7M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $292,995.45Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $3.1MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Griffith Christopher Chief Operating Officer | Exempt | Aug 17, 2026 | $0.00 | 19,672 | $0.00 | 0 |
Griffith Christopher Chief Operating Officer | Exempt | Aug 17, 2026 | $85,179.76 | 19,672 | $4.33 | 160,396 |
Griffith Christopher Chief Operating Officer | Sell | Aug 17, 2026 | $185,113.52 | 19,672 | $9.41 | 140,724 |
Griffith Christopher Chief Operating Officer | Sell | Aug 17, 2026 | $206,800.00 | 22,000 | $9.40 | 118,724 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $0.00 | 5,627 | $0.00 | 32,009 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $0.00 | 6,430 | $0.00 | 38,459 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $0.00 | 11,654 | $0.00 | 82,197 |
Gray James Andy Chief Compliance/Risk Officer | Exempt | Apr 03, 2026 | $0.00 | 4,421 | $0.00 | 16,833 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $0.00 | 2,813 | $0.00 | 16,005 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $0.00 | 3,215 | $0.00 | 19,229 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $0.00 | 5,826 | $0.00 | 41,101 |
Castle Svetlana Chief Financial Officer | Exempt | Apr 03, 2026 | $0.00 | 4,421 | $0.00 | 16,833 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $2,205.45 | 195 | $11.31 | 1,084 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $2,510.82 | 222 | $11.31 | 1,304 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $4,557.93 | 403 | $11.31 | 2,778 |
Gray James Andy Chief Compliance/Risk Officer | Exempt | Apr 03, 2026 | $0.00 | 2,210 | $0.00 | 8,418 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $1,410.15 | 119 | $11.85 | 341 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $1,611.60 | 136 | $11.85 | 429 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $2,915.10 | 246 | $11.85 | 781 |
Castle Svetlana Chief Financial Officer | Exempt | Apr 03, 2026 | $0.00 | 2,210 | $0.00 | 8,418 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $4,399.59 | 389 | $11.31 | 2,168 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $5,032.95 | 445 | $11.31 | 2,607 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $9,115.86 | 806 | $11.31 | 5,554 |
Gray James Andy Chief Compliance/Risk Officer | Exempt | Apr 03, 2026 | $1,730.43 | 153 | $11.31 | 564 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $2,820.30 | 238 | $11.85 | 682 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $3,223.20 | 272 | $11.85 | 859 |
MARTZ BRAD President & CEO | Exempt | Apr 03, 2026 | $5,830.20 | 492 | $11.85 | 1,563 |
Castle Svetlana Chief Financial Officer | Exempt | Apr 03, 2026 | $1,730.43 | 153 | $11.31 | 564 |
Adler Brooke Secretary | Exempt | Apr 03, 2026 | $0.00 | 12,509 | $0.00 | 98,995 |
Griffith Christopher Chief Operating Officer | Exempt | Apr 03, 2026 | $0.00 | 14,294 | $0.00 | 117,316 |