NORTH STAR ASSET MANAGEMENT INC — 13F Holdings & Portfolio
CIK 1056559 · latest 13F-HR filed 2026-08-18
NORTH STAR ASSET MANAGEMENT INC manages $2.54B in 13F-reported U.S. long-equity assets across 468 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are AAPL (3.79%), SCHB (3.16%), GOOG (2.74%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 25 new positions, exited 9, added to 210, and trimmed 70.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
ONE NEENAH CENTER, SUITE 300
NEENAH, WI 54956
$2.54B
Long-equity book
468
Distinct positions
2026-06-30
Filed 2026-08-18
+25 / −9 / ↑210 / ↓70
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ADVANCED MICRO DEVICES$27.5M +153.8%
- SCHWAB US BROAD MKT ETF$13.0M +19.3%
- ASML HOLDINGS$13.0M +33.7%
- DATADOG$12.1M +114.6%
- ALPHABET CL C$10.6M +17.8%
Top Trims
- AES CORP-$6.9M -27.7%
- INTUIT-$6.1M -26.6%
- PTC INC-$4.7M -20.1%
- ADOBE SYSTEMS-$3.7M -15.2%
- SS&C TECHNOLOGIES-$3.2M -7.9%
New Positions
- EXXON MOBIL CORP$3.6M
- FEDEX FREIGHT HOLDING CO$724.6K
- MICRON TECHNOLOGY$412.8K
- INSULET CORP$365.4K
- STMICROELECTRONICS$331.7K
Exited Positions
- HOLOGIC$7.7M
- EXXON MOBIL CORP$4.5M
- ACCENTURE PLC$441.0K
- SCHWAB DEV-MKTS INDEX MF$342.4K
- EPAM SYSTEMS$277.6K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | APPLE | AAPL | 037833100 | $96.4M | 3.79% | 333,019 | SH |
| 2 | SCHWAB US BROAD MKT ETF | SCHB | 808524102 | $80.3M | 3.16% | 2,772,864 | SH |
| 3 | ALPHABET CL C | GOOG | 02079K107 | $69.7M | 2.74% | 197,366 | SH |
| 4 | VANGUARD TTL STK MKT ETF | VTI | 922908769 | $63.1M | 2.48% | 170,439 | SH |
| 5 | MICROSOFT | MSFT | 594918104 | $59.3M | 2.33% | 158,866 | SH |
| 6 | AMAZON.COM | AMZN | 023135106 | $53.0M | 2.08% | 222,401 | SH |
| 7 | SPDR S&P LARGE CAP 500 | SPYM | 78464A854 | $52.5M | 2.06% | 597,120 | SH |
| 8 | ASML HOLDINGS | ASML | N07059210 | $51.4M | 2.02% | 25,844 | SH |
| 9 | VISA | V | 92826C839 | $47.9M | 1.88% | 139,564 | SH |
| 10 | ADVANCED MICRO DEVICES | AMD | 007903107 | $44.7M | 1.76% | 76,931 | SH |
| 11 | CHARLES SCHWAB | SCHW | 808513105 | $44.1M | 1.74% | 478,343 | SH |
| 12 | AMETEK | AME | 031100100 | $41.1M | 1.62% | 169,798 | SH |
| 13 | ANALOG DEVICES | ADI | 032654105 | $40.4M | 1.59% | 101,780 | SH |
| 14 | PRINCIPAL FINL GROUP | PFG | 74251V102 | $39.9M | 1.57% | 370,447 | SH |
| 15 | ABBVIE | ABBV | 00287Y109 | $39.0M | 1.53% | 154,788 | SH |
| 16 | AMPHENOL | APH | 032095101 | $39.0M | 1.53% | 220,910 | SH |
| 17 | BROADCOM | AVGO | 11135F101 | $38.3M | 1.51% | 101,488 | SH |
| 18 | SS&C TECHNOLOGIES | SSNC | 78467J100 | $38.0M | 1.49% | 612,023 | SH |
| 19 | NVIDIA | NVDA | 67066G104 | $36.5M | 1.44% | 182,563 | SH |
| 20 | STRYKER | SYK | 863667101 | $33.1M | 1.30% | 105,188 | SH |
| 21 | ILLUMINA | ILMN | 452327109 | $33.0M | 1.30% | 187,803 | SH |
| 22 | ABBOTT LABS | ABT | 002824100 | $31.4M | 1.24% | 346,294 | SH |
| 23 | THERMO FISHER SCIENTIFIC | TMO | 883556102 | $30.5M | 1.20% | 60,747 | SH |
| 24 | SYNOPSYS | SNPS | 871607107 | $29.1M | 1.14% | 65,170 | SH |
| 25 | ACI WORLDWIDE | ACIW | 004498101 | $29.1M | 1.14% | 578,011 | SH |
| 26 | SCHWAB TOTAL STOCK MKT-SEL | — | 808509756 | $28.7M | 1.13% | 1,577,527 | SH |
| 27 | VEEVA SYSTEMS | VEEV | 922475108 | $27.4M | 1.08% | 154,243 | SH |
| 28 | JP MORGAN CHASE | JPM | 46625H100 | $27.2M | 1.07% | 83,084 | SH |
| 29 | MENASHA CORP | — | FJG456208 | $25.6M | 1.01% | 2,181 | SH |
| 30 | ALPHABET CL A | GOOGL | 02079K305 | $24.8M | 0.98% | 69,474 | SH |
| 31 | DANAHER | DHR | 235851102 | $23.4M | 0.92% | 122,973 | SH |
| 32 | GLOBAL PAYMENTS | GPN | 37940X102 | $23.2M | 0.91% | 319,637 | SH |
| 33 | ROCKWELL AUTOMATION | ROK | 773903109 | $23.0M | 0.91% | 46,533 | SH |
| 34 | MASTERCARD | MA | 57636Q104 | $22.9M | 0.90% | 44,499 | SH |
| 35 | AFFILIATED MANAGERS | AMG | 008252108 | $22.7M | 0.89% | 66,968 | SH |
| 36 | DATADOG | DDOG | 23804L103 | $22.6M | 0.89% | 86,677 | SH |
| 37 | EVERTEC | EVTC | 30040P103 | $22.5M | 0.88% | 808,520 | SH |
| 38 | ECOLAB | ECL | 278865100 | $22.1M | 0.87% | 79,204 | SH |
| 39 | CROWDSTRIKE HOLDINGS | CRWD | 22788C105 | $21.8M | 0.86% | 28,502 | SH |
| 40 | MERCANTILE BANK | MBWM | 587376104 | $21.7M | 0.85% | 377,427 | SH |
| 41 | SCHWAB FTSE DEV EX-US ETF | SCHF | 808524805 | $21.0M | 0.83% | 757,833 | SH |
| 42 | ADOBE SYSTEMS | ADBE | 00724F101 | $20.3M | 0.80% | 99,048 | SH |
| 43 | EQUIFAX | EFX | 294429105 | $19.9M | 0.78% | 125,367 | SH |
| 44 | WYNDHAM HOTELS & RESORTS | WH | 98311A105 | $19.6M | 0.77% | 232,202 | SH |
| 45 | PTC INC | PTC | 69370C100 | $18.6M | 0.73% | 163,332 | SH |
| 46 | AES CORP | AES | 00130H105 | $18.0M | 0.71% | 1,227,209 | SH |
| 47 | SERVICENOW | NOW | 81762P102 | $17.8M | 0.70% | 178,977 | SH |
| 48 | SPDR S&P MID CAP 400 ETF | SPMD | 78464A847 | $17.5M | 0.69% | 258,787 | SH |
| 49 | FISERV | FISV | 337738108 | $17.2M | 0.68% | 350,216 | SH |
| 50 | SCHWAB US SCAP ETF | SCHA | 808524607 | $17.1M | 0.67% | 473,589 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-18 | $2.54B | 468 | 0001056559-26-000003 |
| 2026-03-31 | 2026-05-06 | $2.31B | 446 | 0001056559-26-000002 |
| 2025-12-31 | 2026-02-09 | $2.48B | 443 | 0001056559-26-000001 |