Institutional Manager · CIK 0002053668
POSTROCK PARTNERS LLC
OVERLAND PARK, OR · File #028-24844
Latest AUM
$230.2M
Positions
80
Top-10 Concentration
71.1%
Filings
5
Portfolio Value Over Time
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 | SERVICENOW INC | NOW | +4,028 | +$617,050 | -$772,460 |
| EXITED | ISHARES TR | 46435U432 | -22,268 | -$596,560 | $0 |
| EXITED | ISHARES TR | 46434VBD1 | -9,600 | -$241,824 | $0 |
| NEW | APPLIED MATLS INC | 038222105 | +936 | +$240,543 | $0 |
| ADD | ISHARES TR | 464287200 | +334 | +$228,770 | +$256,825 |
| EXITED | AT&T INC | 00206R102 | -7,470 | -$210,953 | $0 |
| EXITED | L3HARRIS TECHNOLOGIES INC | 502431109 | -662 | -$202,181 | $0 |
| REDUCE | AMERICAN TOWER CORP NEW | 03027X100 | -123 | -$21,595 | -$102,811 |
| REDUCE | ISHARES TR | 46435U259 | -792 | -$20,305 | -$853 |
| REDUCE | SYNOPSYS INC | SNPS | -27 | -$12,682 | -$40,476 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202580 pos · $230.2M
- 13F HOLDINGS REPORTQ/E Sep 202583 pos · $226.1M
- 13F HOLDINGS REPORTQ/E Jun 202582 pos · $209.1M
- 13F HOLDINGS REPORTQ/E Mar 202580 pos · $202.1M
- 13F HOLDINGS REPORTQ/E Dec 202484 pos · $206.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | APPLE INC | AAPL | 143,584 | $39.0M | 17.76% |
| 2 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 44 | $33.2M | 15.11% |
| 3 | ALPHABET INC | GOOG | 48,158 | $15.1M | 6.86% |
| 4 | FASTENAL CO | FAST | 338,720 | $13.6M | 6.18% |
| 5 | ISHARES TR | 464287200 | 16,755 | $11.5M | 5.22% |
| 6 | BOOKING HOLDINGS INC | BKNG | 1,966 | $10.5M | 4.79% |
| 7 | VISA INC | V | 28,506 | $10.0M | 4.55% |
| 8 | ALPHABET INC | GOOG | 27,890 | $8.8M | 3.98% |
| 9 | NVIDIA CORPORATION | NVDA | 44,988 | $8.4M | 3.82% |
| 10 | QUALCOMM INC | QCOM | 36,024 | $6.2M | 2.80% |
| 11 | AMAZON COM INC | AMZN | 17,711 | $4.1M | 1.86% |
| 12 | COGNIZANT TECHNOLOGY SOLUTIO | CTSH | 39,522 | $3.3M | 1.49% |
| 13 | HEICO CORP NEW | HEI-A | 9,922 | $3.2M | 1.46% |
| 14 | ROSS STORES INC | ROST | 17,257 | $3.1M | 1.41% |
| 15 | S&P GLOBAL INC | SPGI | 5,205 | $2.7M | 1.24% |
| 16 | UBER TECHNOLOGIES INC | UBER | 32,648 | $2.7M | 1.21% |
| 17 | WALMART INC | WMT | 22,883 | $2.5M | 1.16% |
| 18 | ISHARES TR | 46435U283 | 96,609 | $2.5M | 1.12% |
| 19 | VERISK ANALYTICS INC | VRSK | 10,521 | $2.4M | 1.07% |
| 20 | VEEVA SYS INC | VEEV | 10,470 | $2.3M | 1.06% |