Institutional Manager · CIK 0001794972
BOSUN ASSET MANAGEMENT, LLC
CHICAGO, IL · File #028-22328
Latest AUM
$207.4M
Positions
79
Top-10 Concentration
78.3%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | CBOE GLOBAL MKTS INC | 12503M108 | +71,900 | +$18.0M | +$5,750 |
| ADD | SPDR S&P 500 ETF TR | SPY | +7,159 | +$4.9M | +$11,018 |
| ADD | APPLE INC | AAPL | +12,826 | +$3.5M | +$1.1M |
| ADD | BERKSHIRE HATHAWAY INC DEL | BRK-A | +3,792 | +$1.9M | -$54 |
| ADD | AMAZON COM INC | AMZN | +6,587 | +$1.5M | +$1.2M |
| NEW | INVESCO QQQ TR | IVZ | +2,000 | +$1.2M | $0 |
| ADD | ABBVIE INC | ABBV | +3,461 | +$790,699 | -$616 |
| ADD | NVIDIA CORPORATION | NVDA | +4,200 | +$783,300 | -$16 |
| ADD | JPMORGAN CHASE & CO. | VYLD | +2,000 | +$644,440 | +$12,901 |
| NEW | ISHARES TR | 464287150 | +4,214 | +$626,580 | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202579 pos · $207.4M
- 13F HOLDINGS REPORTQ/E Sep 202571 pos · $194.7M
- 13F HOLDINGS REPORTQ/E Jun 2025196 pos · $336.1M
- 13F HOLDINGS REPORTQ/E Mar 2025194 pos · $233.0M
- 13F HOLDINGS REPORTQ/E Dec 2024189 pos · $229.7M
- 13F HOLDINGS REPORTQ/E Sep 2024185 pos · $210.0M
- 13F HOLDINGS REPORTQ/E Jun 2024156 pos · $169.3M
- 13F HOLDINGS REPORTQ/E Mar 2024183 pos · $175.6M
- 13F HOLDINGS REPORTQ/E Dec 202390 pos · $92.3M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | AMAZON COM INC | AMZN | 112,587 | $26.0M | 13.02% |
| 2 | AMAZON COM INC | AMZN | 106,000 | $24.5M | 12.26% |
| 3 | APPLE INC | AAPL | 75,326 | $20.5M | 10.26% |
| 4 | CBOE GLOBAL MKTS INC | 12503M108 | 72,900 | $18.3M | 9.17% |
| 5 | APPLE INC | AAPL | 62,300 | $16.9M | 8.49% |
| 6 | GOLDMAN SACHS GROUP INC | GSCE | 16,900 | $14.9M | 7.44% |
| 7 | GOLDMAN SACHS GROUP INC | GSCE | 16,896 | $14.9M | 7.44% |
| 8 | META PLATFORMS INC | META | 11,400 | $7.5M | 3.77% |
| 9 | META PLATFORMS INC | META | 11,400 | $7.5M | 3.77% |
| 10 | SPDR S&P 500 ETF TR | SPY | 7,859 | $5.4M | 2.69% |
| 11 | WEC ENERGY GROUP INC | WEC | 43,000 | $4.5M | 2.27% |
| 12 | ALPHABET INC | GOOG | 9,201 | $2.9M | 1.45% |
| 13 | ISHARES TR | 464287655 | 9,810 | $2.4M | 1.21% |
| 14 | ELI LILLY & CO | LLY | 2,213 | $2.4M | 1.19% |
| 15 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 4,392 | $2.2M | 1.11% |
| 16 | INVESCO EXCHANGE TRADED FD T | IVZ | 9,025 | $1.7M | 0.87% |
| 17 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 2 | $1.5M | 0.76% |
| 18 | MICROSOFT CORP | MSFT | 2,800 | $1.4M | 0.68% |
| 19 | VANGUARD WHITEHALL FDS | 921946406 | 9,005 | $1.3M | 0.65% |
| 20 | JPMORGAN CHASE & CO. | VYLD | 3,900 | $1.3M | 0.63% |