13F Insight
DOSSIER · 13F-HR · Q3 2026

Cohen Klingenstein LLC

$3.5B in tracked AUM across 206 positions as of Q3 2026.

CK
CIK 0001453620 · last filed Sep 30, 2026
Total AUM
$3.5B
as of Q3 2026
Holdings
206
−1 QoQ
positions
Whale Score
67
67
tracked
Activity
34
+2 new, −3 sold
changes this Q
AI Analysis · Q3 2026

Cohen Klingenstein LLC filed its latest 13F-HR for Q3 2026. 34 position changes this quarter — 2 new, 3 exited, 6 added, 23 trimmed.

Quarter at a glance — Q3 2026

34 material changes this filing.

TRIM
IWOiShares Russell 2000G
-13K sh
$-23M
4.8%
ADD
VBKVanguard Small-Cap Growth ETF
+3 sh
$-18M
6.2%
NEW
XOMExxon Mobil Holdings Corp
+99K sh
+$16M
0.5%
EXIT
XOMExxon Mobil Corp
-99K sh
$-14M
—
ADD
NVDANvidia Corp
+284 sh
+$13M
3.0%
ADD
METAMeta Platforms Inc
+41 sh
+$13M
1.6%
TRIM
SPYStandard Poors DR
-9K sh
+$11M
23.8%

Top 10 holdings

By portfolio weight as of Q3 2026. Source: SEC EDGAR 13F-HR filings.

#HoldingValueSharesWeight
01
SPY
Standard Poors DR
$836M1.1M23.8%02
VBK
Vanguard Small-Cap Growth ETF
$217M641K6.2%03
QQQ
Invesco QQQ Trust
$212M287K6.0%04
IWO
iShares Russell 2000G
$168M472K4.8%05
AAPL
Apple Inc
$155M466K4.4%06
LLY
Eli Lilly
$149M129K4.3%07
MSFT
Microsoft Corp
$146M286K4.2%08
AMZN
Amazoncom
$129M517K3.7%09
NVDA
Nvidia Corp
$106M464K3.0%10
GOOGL
Alphabet Class A
$87M252K2.5%

Filing history

2026Q3Sep 30
$3.5B▲ 0.4%
206 positionsView →2026Q2Jun 30
$3.5B▲ 13.0%
207 positionsView →2026Q1Mar 31
$3.1B▼ 6.1%
205 positionsView →2025Q4Dec 31
$3.3B▲ 3.1%
207 positionsView →2025Q3Sep 30
$3.2B▲ 6.5%
204 positionsLocked2025Q2Jun 30
$3.0B▲ 8.6%
204 positionsLocked2025Q1Mar 31
$2.8B▼ 5.6%
208 positionsLocked2024Q4Dec 31
$2.9B▲ 1.8%
207 positionsLocked2024Q3Sep 30
$2.9B▲ 4.2%
220 positionsLocked2024Q2Jun 30
$2.8B▲ 2.6%
222 positionsLocked2024Q1Mar 31
$2.7B▲ 9.8%
222 positionsLocked2023Q4Dec 31
$2.4B▲ 10.8%
222 positionsLocked
Showing 12 of 68