Diker Management LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Diker Management LLC reported 38 stock positions worth $123.8 million. Its top holding was Steris (STE) at 51.6% of the portfolio, followed by Lumentum (LITE, 4.7%) and Nebius (NBIS, 3.6%). Compared with Q2 2025, it opened 8 new positions, sold out of 4, added to 9 and reduced 4. The biggest buy was Nebius (NBIS, shares +167%) and the biggest sale Steris (STE, shares −2%).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001276525
- Portfolio Value
- $123.8M (Q3 2025)
- SEC Filing
- 0001172661-25-004809 ↗ filed Nov 14, 2025
Holdings Value
Holdings 38 stocks · $123.8M
| STE Steris PLC | 51.61% | 258,281 | $63.9M | Reduce -1.5% |
| LITE Lumentum Holdings Inc. | 4.73% | 36,000 | $5.9M | Add +50.0% |
| NBIS Nebius Group NV | 3.63% | 40,000 | $4.5M | Add +166.7% |
| COHR Coherent Corp. | 3.48% | 40,000 | $4.3M | Add +66.7% |
| AAPL Apple Inc. | 2.69% | 13,107 | $3.3M | No change |
| SOFI Sofi Technologies Inc. | 2.67% | 125,000 | $3.3M | New |
| SHOP Shopify Inc. Class A | 2.40% | 20,000 | $3.0M | Reduce -50.0% |
| HUBS HubSpot Inc. | 2.27% | 6,000 | $2.8M | Add +100.0% |
| AFRM Affirm Holdings Inc. | 2.07% | 35,000 | $2.6M | Add +16.7% |
| TTAN Servicetitan Inc. Class A | 1.87% | 23,000 | $2.3M | Add +76.9% |
| NOW ServiceNow Inc. | 1.86% | 2,500 | $2.3M | New |
| KVYO Klaviyo Inc. Class A | 1.79% | 80,042 | $2.2M | No change |
| CRWV Coreweave Inc. Class A | 1.77% | 16,000 | $2.2M | Add +300.0% |
| FROG Jfrog Ltd. | 1.72% | 45,000 | $2.1M | No change |
| SN Sharkninja Inc. | 1.67% | 20,000 | $2.1M | No change |
| RBRK Rubrik Inc. Class A | 1.59% | 24,000 | $2.0M | New |
| CYBR Cyberark Software Ltd./Israel | 1.56% | 4,000 | $1.9M | No change |
| MSFT Microsoft Corp. | 1.41% | 3,362 | $1.7M | No change |
| TDUP Thredup Inc. Class A | 1.10% | 143,555 | $1.4M | Add +12.1% |
| COMP Compass Inc. Class A | 0.95% | 147,175 | $1.2M | Reduce -50.5% |
| GM General Motors Co. | 0.93% | 18,800 | $1.1M | No change |
| TOL Toll Brothers Inc. | 0.71% | 6,400 | $884K | No change |
| GDOT Green Dot Corp. Class A | 0.54% | 50,000 | $672K | New |
| AORT Artivion Inc. | 0.46% | 13,500 | $572K | Reduce -10.0% |
| ANIK Anika Therapeutics Inc. | 0.43% | 56,839 | $534K | No change |
| AAOI Applied Optoelectronics Inc. | 0.42% | 20,000 | $519K | New |
| UPST Upstart Holdings Inc. | 0.37% | 9,000 | $457K | No change |
| MMM 3M Co. | 0.37% | 2,927 | $454K | No change |
| LEN Lennar Corp. Class A | 0.36% | 3,502 | $441K | No change |
| SPRY Ars Pharmaceuticals Inc. | 0.35% | 43,508 | $437K | Add +6.1% |
| DDOG Datadog Inc. Class A | 0.34% | 3,000 | $427K | New |
| DHI D.R. Horton Inc. | 0.34% | 2,498 | $423K | No change |
| LNTH Lantheus Holdings Inc. | 0.34% | 8,222 | $422K | No change |
| GLD SPDR Gold Shares | 0.33% | 1,137 | $404K | No change |
| AEO American Eagle Outfitters | 0.31% | 22,327 | $382K | No change |
| CVX Chevron Corp. | 0.27% | 2,156 | $335K | No change |
| JNJ Johnson & Johnson | 0.17% | 1,150 | $213K | New |
| BVS Bioventus Inc. Class A | 0.14% | 25,000 | $167K | New |
Portfolio Sells Q2 2025 → Q3 2025
| STE Steris PLC | Reduce -1.5% | 51.61% | −7.58 |
| MNDY Monday.com Ltd. | Sold out | 0.00% | −2.07 |
| SHOP Shopify Inc. Class A | Reduce -50.0% | 2.40% | −1.93 |
| TWLO Twilio Inc. Class A | Sold out | 0.00% | −1.87 |
| COMP Compass Inc. Class A | Reduce -50.5% | 0.95% | −0.80 |
| SEZL Sezzle Inc. | Sold out | 0.00% | −0.67 |
| APP AppLovin Corp. Class A | Sold out | 0.00% | −0.66 |
| AORT Artivion Inc. | Reduce -10.0% | 0.46% | +0.02 |
Portfolio Buys Q2 2025 → Q3 2025
| NBIS Nebius Group NV | Add +166.7% | 3.63% | +2.85 |
| SOFI Sofi Technologies Inc. | New | 2.67% | +2.67 |
| LITE Lumentum Holdings Inc. | Add +50.0% | 4.73% | +2.59 |
| NOW ServiceNow Inc. | New | 1.86% | +1.86 |
| RBRK Rubrik Inc. Class A | New | 1.59% | +1.59 |
| COHR Coherent Corp. | Add +66.7% | 3.48% | +1.47 |
| CRWV Coreweave Inc. Class A | Add +300.0% | 1.77% | +1.16 |
| HUBS HubSpot Inc. | Add +100.0% | 2.27% | +0.70 |
| TTAN Servicetitan Inc. Class A | Add +76.9% | 1.87% | +0.56 |
| GDOT Green Dot Corp. Class A | New | 0.54% | +0.54 |
| AAOI Applied Optoelectronics Inc. | New | 0.42% | +0.42 |
| DDOG Datadog Inc. Class A | New | 0.34% | +0.34 |
| TDUP Thredup Inc. Class A | Add +12.1% | 1.10% | +0.19 |
| JNJ Johnson & Johnson | New | 0.17% | +0.17 |
| BVS Bioventus Inc. Class A | New | 0.14% | +0.14 |
| AFRM Affirm Holdings Inc. | Add +16.7% | 2.07% | +0.12 |
| SPRY Ars Pharmaceuticals Inc. | Add +6.1% | 0.35% | −0.32 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 46 | $129.9M | STE, AMD, NBIS, LITE, AMKR |
| Q1 2026 | 42 | $112.1M | STE, LITE, COHR, NBIS, AMD |
| Q4 2025 | 41 | $129.3M | STE, COHR, LITE, AAPL, AMD |
| Q3 2025 | 38 | $123.8M | STE, LITE, NBIS, COHR, AAPL |
| Q2 2025 | 34 | $106.4M | STE, SHOP, AAPL, KVYO, LITE |
| Q1 2025 | 30 | $83.6M | STE, AAPL, COMP, FRSH, SHOP |
| Q4 2024 | 38 | $115.4M | STE, HUBS, BILL, FIVN, KVYO |
| Q3 2024 | 42 | $125.3M | STE, KVYO, HUBS, RDDT, DKNG |
| Q2 2024 | 36 | $118.0M | STE, HUBS, DKNG, KVYO, W |
| Q1 2024 | 36 | $122.9M | STE, DKNG, HUBS, W, FIVN |