DOSSIER · 13F-HR · Q1 2026

NORTHSTAR ASSET MANAGEMENT Co

$445M in tracked AUM across 187 positions as of Q1 2026.

NA
CIK 0001132708 · last filed Mar 31, 2026
Total AUM
$445M
as of Q1 2026
Holdings
187
positions
Whale Score
52
52
tracked
Activity
no data
changes this Q
AI Analysis · Q1 2026

One line item explains NorthStar Asset Management Co's Q1 2026 book better than the whole change table: Vanguard Information Technology ETF is 17.1% of a $445 million portfolio — larger than Apple (8.9%) and the total-market ETF VTI (5.5%) put together. Stacking a dedicated tech sector ETF on top of a multi-percent single-stock Apple line is the strategy in miniature: growth bias expressed twice. Share activity was quiet around that core — VGT shares barely trimmed (−0.7%) while its value fell on marks; Apple saw a ~1.7% share cut. Clean exits include Qualcomm (~$3.3 million prior), Adobe (~$2.6 million), and Broadcom (~$1.8 million). New names of size are Honeywell, L3Harris, and Mondelez (each ~$1.8–1.9 million). Treat the paired RTX sold/new rows as a CUSIP remap.

One line item explains NorthStar Asset Management Co's Q1 2026 book better than the whole change table: Vanguard Information Technology ETF (VGT) is 17.1% ($76.2 million) of a $445 million portfolio. Apple is a separate 8.9% ($39.4 million). A reader who only scanned "top holdings" might see diversification across Vanguard products; the economic risk is stacked tech — sector ETF plus the largest tech common still held outright.

Vanguard Total Stock Market (VTI, 5.5%), Vanguard Growth (VUG, 4.6%), Vanguard Mid-Cap (VO, 3.7%), and Vanguard Small-Cap (VB, 2.6%) extend the same toolkit. ETFs as a sector sleeve are about $216 million — nearly half the filing.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
VGT
VANGUARD INFO TECH ETF
$76M109K17.1%
02
AAPL
APPLE INC
$39M155K8.9%
03
VTI
VANGUARD TOTAL U.S. STOCK MARK
$25M77K5.5%
04
VUG
VANGUARD GROWTH ETF
$20M47K4.6%
05
VO
VANGUARD MID-CAP ETF
$17M58K3.7%
06
BRK/B
BERKSHIRE HATHAWAY INC DEL CL
$16M33K3.6%
07
VB
VANGUARD SMALL-CAP ETF
$11M44K2.6%
08
SPY
STATE STREET SPDR S&P 500 ETF
$11M18K2.6%
09
MSFT
MICROSOFT CORP
$11M29K2.4%
10
VOO
VANGUARD S&P 500 ETF
$11M18K2.4%

Filing history

2026Q1Mar 31
$445M 5.6%
187 positionsView →
2025Q4Dec 31
$471M 1.1%
189 positionsView →
2025Q3Sep 30
$466M 7.2%
193 positionsView →
2025Q2Jun 30
$435M 5.0%
197 positionsLocked
2025Q1Mar 31
$414M 5.1%
198 positionsLocked
2024Q4Dec 31
$436M 0.0%
200 positionsLocked
2024Q3Sep 30
$436M 5.6%
198 positionsLocked
2024Q2Jun 30
$413M 1.9%
199 positionsLocked
2024Q1Mar 31
$406M 6.9%
201 positionsLocked
2023Q4Dec 31
$379M 9.3%
204 positionsLocked
2023Q3Sep 30
$347M 4.5%
203 positionsLocked
2023Q2Jun 30
$364M 6.9%
204 positionsLocked
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