Institutional Manager · CIK 0001276525
DIKER MANAGEMENT LLC
New York, NY · File #028-10830
Latest AUM
$129.3M
Positions
41
Top-10 Concentration
79.8%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | LUMENTUM HLDGS INC | LITE | -16,000 | -$5.9M | +$7.4M |
| NEW | ADVANCED MICRO DEVICES INC | AMD | +20,000 | +$4.3M | $0 |
| EXITED | HUBSPOT INC | 443573100 | -6,000 | -$2.8M | $0 |
| EXITED | AFFIRM HLDGS INC | 00827B106 | -35,000 | -$2.6M | $0 |
| NEW | MONGODB INC | MDB | +5,000 | +$2.1M | $0 |
| REDUCE | SOFI TECHNOLOGIES INC | SOFI | -75,000 | -$2.0M | -$30,000 |
| EXITED | CYBERARK SOFTWARE LTD | M2682V108 | -4,000 | -$1.9M | $0 |
| ADD | APPLE INC | AAPL | +6,850 | +$1.9M | +$225,834 |
| NEW | CELESTICA INC | CLS | +6,000 | +$1.8M | $0 |
| NEW | IREN LIMITED | IREN | +40,000 | +$1.5M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202541 pos · $129.3M
- 13F HOLDINGS REPORTQ/E Sep 202538 pos · $123.8M
- 13F HOLDINGS REPORTQ/E Jun 202534 pos · $106.4M
- 13F HOLDINGS REPORTQ/E Mar 202530 pos · $83.6M
- 13F HOLDINGS REPORTQ/E Dec 202438 pos · $115.4M
- 13F HOLDINGS REPORTQ/E Sep 202442 pos · $125.3M
- 13F HOLDINGS REPORTQ/E Jun 202436 pos · $118.0M
- 13F HOLDINGS REPORTQ/E Mar 202436 pos · $122.9M
- 13F HOLDINGS REPORTQ/E Dec 202337 pos · $112.0M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | STERIS PLC | STE | 257,449 | $65.3M | 50.47% |
| 2 | COHERENT CORP | COHR | 40,000 | $7.4M | 5.71% |
| 3 | LUMENTUM HLDGS INC | LITE | 20,000 | $7.4M | 5.70% |
| 4 | APPLE INC | AAPL | 19,957 | $5.4M | 4.20% |
| 5 | ADVANCED MICRO DEVICES INC | AMD | 20,000 | $4.3M | 3.31% |
| 6 | NEBIUS GROUP N.V. | NBIS | 40,000 | $3.3M | 2.59% |
| 7 | SHOPIFY INC | SHOP | 20,000 | $3.2M | 2.49% |
| 8 | KLAVIYO INC | KVYO | 80,042 | $2.6M | 2.01% |
| 9 | SHARKNINJA INC | SN | 20,000 | $2.2M | 1.73% |
| 10 | MONGODB INC | MDB | 5,000 | $2.1M | 1.62% |
| 11 | MICROSOFT CORP | MSFT | 4,222 | $2.0M | 1.58% |
| 12 | CELESTICA INC | CLS | 6,000 | $1.8M | 1.37% |
| 13 | JFROG LTD | FROG | 25,000 | $1.6M | 1.21% |
| 14 | COMPASS INC | COMP | 147,175 | $1.6M | 1.20% |
| 15 | GENERAL MTRS CO | 37045V100 | 18,800 | $1.5M | 1.18% |
| 16 | IREN LIMITED | IREN | 40,000 | $1.5M | 1.17% |
| 17 | SOFI TECHNOLOGIES INC | SOFI | 50,000 | $1.3M | 1.01% |
| 18 | SERVICETITAN INC | TTAN | 10,000 | $1.1M | 0.82% |
| 19 | PURE STORAGE INC | 74624M102 | 15,000 | $1.0M | 0.78% |
| 20 | THREDUP INC | TDUP | 152,555 | $974,826 | 0.75% |