Stocks/Funds/CIK 1056559

NORTH STAR ASSET MANAGEMENT INC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1056559
Assets
$2.31B
+5.2% YoY
Holdings
354
Lifetime alpha vs market
-5.58% annual
Average hold time
6.4 yr
median 6.5 yr

Quarterly history

Cum return +21% vs S&P +52% · α -31% lifetimeAUM $2.3B · peak $2.5BFlow $48M (+2%)2016-032017-092019-032020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+0.44%
adds when stocks drop
when a holding falls −10%+
Middle response
+0.32%
steady accumulation
Rally response
-0.66%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
AAPLApple Inc.$89M3.8%+14.7%10.3 yr
SCHBSchwab U.S. Broad Market$67M2.9%10.3 yr
VTIVanguard Total Stock Mar$60M2.6%10.3 yr
$59M2.6%10.3 yr
MSFTMicrosoft Corporation$59M2.6%-0.6%10.3 yr
AMZNAmazon.com, Inc.$47M2.0%+9.5%10.3 yr
SCHWThe Charles Schwab Corpo$46M2.0%+21.5%10.3 yr
SPLGSPDR Portfolio S&P 500 E$46M2.0%2.8 yr
VVisa Inc.$43M1.9%-13.1%10.3 yr
$41M1.8%9.8 yr
$38M1.7%6.5 yr
AMEAMETEK, Inc.$38M1.6%+25.3%10.3 yr
$34M1.5%10.3 yr
$34M1.5%10.3 yr
ADIAnalog Devices, Inc.$34M1.5%+60.2%9.0 yr

Portfolio composition (YoY)

Industry mix
Unknown23.0%+0.8pp$531M
Asset Management18.6%+2.5pp$430M
Software - Infrastructure5.9%-1.2pp$137M
Software - Application4.3%-1.2pp$98M
Semiconductors4.0%+1.1pp$92M
Consumer Electronics3.8%+0.2pp$89M
Medical - Devices3.8%-0.5pp$87M
Medical - Diagnostics & Research3.4%+0.6pp$79M
Financial - Credit Services2.9%-0.5pp$67M
Financial - Capital Markets2.2%+0.4pp$50M
Country
US76.6%-0.8pp
Unknown23.0%+0.8pp
CH0.1%+0.1pp
GB0.1%+0.1pp
DK0.1%-0.0pp
CA0.0%+0.0pp
IE0.0%-0.0pp
TW0.0%+0.0pp
Top 5: 14.5% · Top 10: 24.1% · Top 25: 44.7%

Winners

TickerPrev $PnLYoY %
APH$17M+0.02B93.6%
NVDA$23M+0.01B60.9%
ADI$23M+0.01B60.2%
AAPL$80M+0.01B14.7%
SCHW$39M+0.01B21.5%

Losers

TickerPrev $PnLYoY %
ADBE$35M-0.01B-36.6%
ACIW$37M-0.01B-25.0%
ABT$41M-0.01B-21.1%
V$51M-0.01B-13.1%
VEEV$27M-0.01B-24.2%

Top buys this quarter · 15

VEEV Veeva Systems Inc.+$25M
CRM Salesforce, Inc.+$13M
TYL Tyler Technologies, Inc.+$11M
ABT Abbott Laboratories+$34M
ADBE Adobe Inc.+$24M
INTU Intuit Inc.+$23M
ROP Roper Technologies, Inc.+$14M
ILMN Illumina, Inc.+$24M
FIS Fidelity National Information +$10M
JPM JPMorgan Chase & Co.+$25M

Top sells this quarter · 15

HOLX Hologic, Inc.$4M
AMAT Applied Materials, Inc.$3M
SYY Sysco Corporation$2M
AMG Affiliated Managers Group, Inc$2M
ACIW ACI Worldwide, Inc.$2M
AAPL Apple Inc.$1M
ADI Analog Devices, Inc.$30M
FDX FedEx Corporation$1M
APH Amphenol Corporation$1M
AES The AES Corporation$1M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$2.31B354+2.76%+17.59%-14.83%+0.05B
2025-12-31$2.48B348+9.44%+17.72%-8.28%-0.02B
2025-09-30$2.47B348+7.07%+17.52%-10.45%+0.02B
2025-06-30$2.36B340+9.11%+14.94%-5.84%-0.00B
2025-03-31$2.19B322+0.90%+8.30%-7.40%+0.00B
2024-12-31$2.26B321+10.96%+24.89%-13.93%+0.05B
2024-09-30$2.23B324+28.00%+36.04%-8.03%+0.01B
2024-06-30$2.11B314+16.23%+24.49%-8.26%-0.01B
2024-03-31$2.12B319+24.69%+29.62%-4.93%+0.03B
2023-12-31$1.95B311+23.56%+26.18%-2.62%-0.04B
2023-09-30$1.74B296+18.88%+21.57%-2.68%+0.01B
2023-06-30$1.81B299+17.25%+19.42%-2.17%-0.01B
2023-03-31$1.70B303-6.43%-7.82%+1.38%+0.00B
2022-12-31$1.61B308+9.94%+7.56%+2.38%+0.00B
2022-09-30$1.46B295-5.76%-4.93%-0.83%+0.03B
2022-06-30$1.52B294-14.54%-16.11%+1.57%-0.03B