Institutional Manager · CIK 0001801145
Bank of Marin
Novato, CA · File #028-19906
Latest AUM
$144.8M
Positions
147
Top-10 Concentration
45.4%
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 | SELECT SECTOR SPDR TR | 81369Y803 | +20,725 | +$3.0M | -$3.0M |
| ADD | BANK MARIN BANCORP | 063425102 | +81,656 | +$2.1M | +$38,735 |
| ADD | SELECT SECTOR SPDR TR | 81369Y407 | +13,185 | +$1.6M | -$1.6M |
| REDUCE | NVIDIA CORPORATION | NVDA | -4,094 | -$763,531 | -$2,095 |
| NEW | ARM HOLDINGS PLC | 042068205 | +4,685 | +$512,117 | $0 |
| ADD | NETFLIX INC | NFLX | +4,477 | +$419,763 | -$584,629 |
| NEW | INTERNATIONAL FLAVORS&FRAGRA | 459506101 | +6,041 | +$407,102 | $0 |
| EXITED | AIR PRODS & CHEMS INC | 009158106 | -1,486 | -$405,261 | $0 |
| EXITED | SPS COMM INC | 78463M107 | -3,243 | -$337,726 | $0 |
| EXITED | BUILDERS FIRSTSOURCE INC | 12008R107 | -2,661 | -$322,646 | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025147 pos · $144.8M
- 13F HOLDINGS REPORTQ/E Sep 2025147 pos · $141.8M
- 13F HOLDINGS REPORTQ/E Jun 2025143 pos · $132.6M
- 13F HOLDINGS REPORTQ/E Mar 2025101 pos · $78.5M
- 13F HOLDINGS REPORTQ/E Dec 2024143 pos · $126.5M
- 13F HOLDINGS REPORTQ/E Sep 2024142 pos · $124.2M
- 13F HOLDINGS REPORTQ/E Jun 2024137 pos · $116.3M
- 13F HOLDINGS REPORTQ/E Mar 2024131 pos · $113.9M
- 13F HOLDINGS REPORTQ/E Dec 2023131 pos · $102.6M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 17,336 | $8.4M | 8.06% |
| 2 | APPLE INC | AAPL | 27,469 | $7.5M | 7.18% |
| 3 | SELECT SECTOR SPDR TR | 81369Y803 | 42,702 | $6.1M | 5.91% |
| 4 | ALPHABET INC | GOOG | 13,567 | $4.2M | 4.08% |
| 5 | NVIDIA CORPORATION | NVDA | 22,091 | $4.1M | 3.96% |
| 6 | AMAZON COM INC | AMZN | 16,016 | $3.7M | 3.55% |
| 7 | VANGUARD INDEX FDS | 922908363 | 5,716 | $3.6M | 3.44% |
| 8 | VANGUARD INDEX FDS | 922908629 | 11,595 | $3.4M | 3.23% |
| 9 | SELECT SECTOR SPDR TR | 81369Y407 | 26,890 | $3.2M | 3.09% |
| 10 | SELECT SECTOR SPDR TR | 81369Y209 | 19,480 | $3.0M | 2.90% |
| 11 | VANGUARD WORLD FD | 92204A884 | 14,606 | $2.8M | 2.72% |
| 12 | BANK MARIN BANCORP | 063425102 | 104,046 | $2.7M | 2.60% |
| 13 | COSTCO WHSL CORP NEW | 22160K105 | 2,850 | $2.5M | 2.36% |
| 14 | INVESCO QQQ TR | IVZ | 3,596 | $2.2M | 2.12% |
| 15 | SELECT SECTOR SPDR TR | 81369Y852 | 18,633 | $2.2M | 2.11% |
| 16 | SCHWAB STRATEGIC TR | 808524862 | 76,163 | $1.9M | 1.78% |
| 17 | VANGUARD WORLD FD | 92204A405 | 13,173 | $1.8M | 1.69% |
| 18 | SELECT SECTOR SPDR TR | 81369Y605 | 31,986 | $1.8M | 1.68% |
| 19 | SELECT SECTOR SPDR TR | 81369Y704 | 11,279 | $1.7M | 1.68% |
| 20 | ELI LILLY & CO | LLY | 1,553 | $1.7M | 1.60% |