13F Insight
DOSSIER · 13F-HR · Q2 2026

DIKER MANAGEMENT LLC

$130M in tracked AUM across 46 positions as of Q2 2026.

DM
CIK 0001276525 · last filed Jun 30, 2026
Total AUM
$130M
as of Q2 2026
Holdings
46
—
positions
Whale Score
62
62
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026
Comprehensive Analysis of Diker Management LLC 13F Filing (Q3 2025)
1. Portfolio Overview

Diker Management LLC manages a concentrated portfolio valued at approximately $108.84 million as of September 30, 2025. This represents a slight increase of +2.2% from the previous quarter's $106.45 million. The fund employs a high-conviction strategy characterized by low asset count, holding only 25 positions. The portfolio exhibits a "barbell" structure in terms of position sizing, with ...

2. Key Holdings

The portfolio is dominated by a single "anchor" position, creating a high specific risk profile:

  • STERIS PLC (STE) is the overwhelming heavyweight, accounting for 58.72% of the total portfolio value ($63.91M). This level of concentration indicates extreme conviction in the healthcare/sterilization infrastructure sector. Despite a reduction of 1.5% (approx. $904k) during the quarter, it remains the core of the fund's strategy.
  • Lumentum Holdings (LITE) and Nebius Group N.V. serve as the primary satellite positions, comprising 5.38% and 4.13% of the portfolio, respectively.
  • The remainder of the top 10 holdings are relatively evenly sized, ranging between 2% and 4%, including names like Coherent Corp, SoFi Technologies, and Shopify.
Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
G8473T100
STERIS PLC
$54M258K41.7%02
AMD
ADVANCED MICRO DEVICES INC
$8M13K5.8%03
N97284108
NEBIUS GROUP N.V.
$7M26K5.5%04
LITE
LUMENTUM HLDGS INC
$6M7K4.3%05
AMKR
AMKOR TECHNOLOGY INC
$5M60K4.0%06
COHR
COHERENT CORP
$5M13K3.9%07
SMTC
SEMTECH CORP
$5M29K3.6%08
UCTT
ULTRA CLEAN HLDGS INC
$4M27K3.0%09
AAPL
APPLE INC
$4M13K2.9%10
G4740B105
ICHOR HOLDINGS
$4M33K2.8%

Filing history

2026Q2Jun 30
$130M▲ 15.9%
46 positionsView →2026Q1Mar 31
$112M▼ 13.3%
42 positionsView →2025Q4Dec 31
$129M▲ 18.8%
41 positionsView →2025Q3Sep 30
$109M▲ 2.2%
25 positionsLocked2025Q2Jun 30
$106M▲ 27.4%
34 positionsLocked2025Q1Mar 31
$84M▼ 27.6%
30 positionsLocked2024Q4Dec 31
$115M▼ 7.9%
38 positionsLocked2024Q3Sep 30
$125M▲ 6.2%
42 positionsLocked2024Q2Jun 30
$118M▼ 4.0%
36 positionsLocked2024Q1Mar 31
$123M▲ 1.7%
36 positionsLocked2023Q4Dec 31
$121M▲ 8.0%
34 positionsLocked2023Q3Sep 30
$112M▼ 6.1%
37 positionsLocked
Showing 12 of 87