NORTH STAR ASSET MANAGEMENT INC — 13F Holdings & Portfolio
CIK 1056559 · latest 13F-HR filed 2026-05-06
NORTH STAR ASSET MANAGEMENT INC manages $2.31B in 13F-reported U.S. long-equity assets across 446 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are AAPL (3.73%), SCHB (2.92%), GOOG (2.57%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 20 new positions, exited 16, added to 107, and trimmed 136.
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.
$2.31B
Long-equity book
446
Distinct positions
2026-03-31
Filed 2026-05-06
+20 / −16 / ↑107 / ↓136
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- SERVICENOW$7.2M +107.5%
- ANALOG DEVICES$3.9M +13.0%
- VANGUARD GROWTH ETF$3.0M +97.8%
- ASML HOLDINGS$2.9M +8.0%
- VANGUARD 500 INDEX (ADM)$2.8M +28.7%
Top Trims
- MICROSOFT-$17.2M -22.6%
- SPDR S&P LARGE CAP 500-$13.2M -22.5%
- SS&C TECHNOLOGIES-$11.9M -22.4%
- INTUIT-$10.7M -31.8%
- ADOBE SYSTEMS-$9.1M -27.5%
New Positions
- INVESCO S&P EQUAL WEIGHT 500$8.9M
- AMERICAN BALANCED FD$1.3M
- VANGUARD TAX-MGD SMALL CAP$1.2M
- VANGUARD SMALL CAP GROWTH$867.8K
- VANGUARD HEALTH CARE (ADM)$850.4K
Exited Positions
- JPMORGAN US TECH ETF$1.2M
- LORD ABBETT BOND DEB$504.8K
- VANGUARD SMALL CAP VALUE$453.9K
- TRADE DESK$246.2K
- TOAST$223.7K
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 | $86.0M | 3.73% | 339,001 | SH |
| 2 | SCHWAB US BROAD MKT ETF | SCHB | 808524102 | $67.3M | 2.92% | 2,680,611 | SH |
| 3 | ALPHABET CL C | GOOG | 02079K107 | $59.2M | 2.57% | 206,313 | SH |
| 4 | MICROSOFT | MSFT | 594918104 | $58.8M | 2.55% | 158,945 | SH |
| 5 | VANGUARD TTL STK MKT ETF | VTI | 922908769 | $54.7M | 2.37% | 170,615 | SH |
| 6 | AMAZON.COM | AMZN | 023135106 | $47.0M | 2.04% | 225,731 | SH |
| 7 | CHARLES SCHWAB | SCHW | 808513105 | $45.6M | 1.98% | 485,621 | SH |
| 8 | SPDR S&P LARGE CAP 500 | SPYM | 78464A854 | $45.5M | 1.97% | 594,530 | SH |
| 9 | VISA | V | 92826C839 | $42.8M | 1.86% | 141,769 | SH |
| 10 | SS&C TECHNOLOGIES | SSNC | 78467J100 | $41.2M | 1.79% | 609,966 | SH |
| 11 | ASML HOLDINGS | ASML | N07059210 | $38.5M | 1.67% | 29,120 | SH |
| 12 | AMETEK | AME | 031100100 | $37.6M | 1.63% | 175,346 | SH |
| 13 | PRINCIPAL FINL GROUP | PFG | 74251V102 | $34.4M | 1.49% | 381,963 | SH |
| 14 | ABBVIE | ABBV | 00287Y109 | $34.1M | 1.48% | 156,946 | SH |
| 15 | ANALOG DEVICES | ADI | 032654105 | $33.8M | 1.47% | 106,299 | SH |
| 16 | STRYKER | SYK | 863667101 | $33.5M | 1.45% | 102,047 | SH |
| 17 | ABBOTT LABS | ABT | 002824100 | $33.5M | 1.45% | 326,354 | SH |
| 18 | NVIDIA | NVDA | 67066G104 | $32.9M | 1.43% | 188,910 | SH |
| 19 | BROADCOM | AVGO | 11135F101 | $32.6M | 1.41% | 105,313 | SH |
| 20 | THERMO FISHER SCIENTIFIC | TMO | 883556102 | $30.3M | 1.32% | 61,741 | SH |
| 21 | AMPHENOL | APH | 032095101 | $29.0M | 1.26% | 229,413 | SH |
| 22 | SYNOPSYS | SNPS | 871607107 | $26.4M | 1.15% | 66,641 | SH |
| 23 | MENASHA CORP | — | FJG456208 | $25.6M | 1.11% | 2,181 | SH |
| 24 | VEEVA SYSTEMS | VEEV | 922475108 | $25.5M | 1.11% | 145,027 | SH |
| 25 | SCHWAB TOTAL STOCK MKT-SEL | — | 808509756 | $24.9M | 1.08% | 1,584,243 | SH |
| 26 | AES CORP | AES | 00130H105 | $24.9M | 1.08% | 1,764,908 | SH |
| 27 | JP MORGAN CHASE | JPM | 46625H100 | $24.7M | 1.07% | 83,929 | SH |
| 28 | ACI WORLDWIDE | ACIW | 004498101 | $24.1M | 1.05% | 587,744 | SH |
| 29 | ADOBE SYSTEMS | ADBE | 00724F101 | $24.0M | 1.04% | 98,567 | SH |
| 30 | ILLUMINA | ILMN | 452327109 | $23.5M | 1.02% | 190,770 | SH |
| 31 | DANAHER | DHR | 235851102 | $23.5M | 1.02% | 124,004 | SH |
| 32 | PTC INC | PTC | 69370C100 | $23.2M | 1.01% | 162,897 | SH |
| 33 | INTUIT | INTU | 461202103 | $22.9M | 0.99% | 52,987 | SH |
| 34 | EVERTEC | EVTC | 30040P103 | $22.7M | 0.99% | 804,762 | SH |
| 35 | MASTERCARD | MA | 57636Q104 | $22.6M | 0.98% | 45,140 | SH |
| 36 | EQUIFAX | EFX | 294429105 | $21.8M | 0.95% | 121,298 | SH |
| 37 | ECOLAB | ECL | 278865100 | $21.4M | 0.93% | 80,624 | SH |
| 38 | GLOBAL PAYMENTS | GPN | 37940X102 | $21.3M | 0.92% | 316,524 | SH |
| 39 | ALPHABET CL A | GOOGL | 02079K305 | $20.3M | 0.88% | 70,473 | SH |
| 40 | AFFILIATED MANAGERS | AMG | 008252108 | $19.4M | 0.84% | 70,191 | SH |
| 41 | MERCANTILE BANK | MBWM | 587376104 | $19.4M | 0.84% | 383,180 | SH |
| 42 | WYNDHAM HOTELS & RESORTS | WH | 98311A105 | $19.2M | 0.83% | 235,766 | SH |
| 43 | LOWE'S COMPANIES | LOW | 548661107 | $19.1M | 0.83% | 80,765 | SH |
| 44 | SCHWAB FTSE DEV EX-US ETF | SCHF | 808524805 | $19.0M | 0.82% | 765,882 | SH |
| 45 | FISERV | FISV | 337738108 | $18.6M | 0.81% | 333,443 | SH |
| 46 | COSTCO WHOLESALE | COST | 22160K105 | $18.2M | 0.79% | 18,282 | SH |
| 47 | ADVANCED MICRO DEVICES | AMD | 007903107 | $17.6M | 0.76% | 86,678 | SH |
| 48 | ROCKWELL AUTOMATION | ROK | 773903109 | $17.4M | 0.75% | 48,410 | SH |
| 49 | ILLINOIS TOOL | ITW | 452308109 | $16.1M | 0.70% | 61,897 | SH |
| 50 | WALT DISNEY | DIS | 254687106 | $15.8M | 0.68% | 163,534 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-06 | $2.31B | 446 | 0001056559-26-000002 |
| 2025-12-31 | 2026-02-09 | $2.48B | 443 | 0001056559-26-000001 |