DOSSIER · 13F-HR · Q1 2026

DIKER MANAGEMENT LLC

$112M in tracked AUM across 42 positions as of Q1 2026.

DM
CIK 0001276525 · last filed Mar 31, 2026
Total AUM
$112M
as of Q1 2026
Holdings
42
positions
Whale Score
67
67
tracked
Activity
no data
changes this Q
AI Analysis · Q1 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.

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
G8473T100
STERIS PLC
$57M258K50.8%
02
LITE
LUMENTUM HLDGS INC
$7M10K6.3%
03
COHR
COHERENT CORP
$5M20K4.2%
04
N97284108
NEBIUS GROUP N.V.
$4M40K3.7%
05
AMD
ADVANCED MICRO DEVICES INC
$4M20K3.6%
06
SHOP
SHOPIFY INC
$4M30K3.2%
07
AAPL
APPLE INC
$3M13K3.0%
08
AMKR
AMKOR TECHNOLOGY INC
$3M60K2.4%
09
CLS
CELESTICA INC
$2M8K2.0%
10
G8068L108
SHARKNINJA INC
$2M20K1.9%

Filing history

2026Q1Mar 31
$112M 13.3%
42 positionsView →
2025Q4Dec 31
$129M 18.8%
41 positionsView →
2025Q3Sep 30
$109M 2.2%
25 positionsView →
2025Q2Jun 30
$106M 27.4%
34 positionsLocked
2025Q1Mar 31
$84M 27.6%
30 positionsLocked
2024Q4Dec 31
$115M 7.9%
38 positionsLocked
2024Q3Sep 30
$125M 6.2%
42 positionsLocked
2024Q2Jun 30
$118M 4.0%
36 positionsLocked
2024Q1Mar 31
$123M 1.7%
36 positionsLocked
2023Q4Dec 31
$121M 8.0%
34 positionsLocked
2023Q3Sep 30
$112M 6.1%
37 positionsLocked
2023Q2Jun 30
$119M 24.2%
41 positionsLocked
Showing 12 of 86