Diker Management LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Diker Management LLC reported 42 stock positions worth $112.1 million. Its top holding was Steris (STE) at 50.8% of the portfolio, followed by Lumentum (LITE, 6.3%) and Coherent (COHR, 4.2%). Compared with Q4 2025, it opened 10 new positions, sold out of 9, added to 7 and reduced 12. The biggest buy was a new position in Amkor Technology (AMKR) and the biggest sale an exit from Klaviyo Class A (KVYO).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001276525
- Portfolio Value
- $112.1M (Q1 2026)
- SEC Filing
- 0001172661-26-002181 ↗ filed May 15, 2026
Holdings Value
Holdings 42 stocks · $112.1M
| STE Steris PLC | 50.80% | 257,593 | $57.0M | Add +0.1% |
| LITE Lumentum Holdings Inc. | 6.27% | 10,000 | $7.0M | Reduce -50.0% |
| COHR Coherent Corp. | 4.25% | 20,000 | $4.8M | Reduce -50.0% |
| NBIS Nebius Group NV | 3.70% | 40,000 | $4.2M | No change |
| AMD Advanced Micro Devices | 3.63% | 20,000 | $4.1M | No change |
| SHOP Shopify Inc. Class A | 3.17% | 30,000 | $3.6M | Add +50.0% |
| AAPL Apple Inc. | 2.96% | 13,097 | $3.3M | Reduce -34.4% |
| AMKR Amkor Technology Inc. | 2.41% | 60,000 | $2.7M | New |
| CLS Celestica Inc. | 2.01% | 8,000 | $2.3M | Add +33.3% |
| SN Sharkninja Inc. | 1.89% | 20,000 | $2.1M | No change |
| UCTT Ultra Clean Holdings Inc. | 1.50% | 27,000 | $1.7M | New |
| SMTC Semtech Corp. | 1.49% | 21,675 | $1.7M | Add +116.8% |
| FROG Jfrog Ltd. | 1.26% | 30,000 | $1.4M | Add +20.0% |
| ICHR Ichor Holdings Ltd. | 1.25% | 30,000 | $1.4M | New |
| IREN Iren Ltd. filed as IREN LIMITED | 1.22% | 40,000 | $1.4M | No change |
| APH Amphenol Corp. Class A | 1.13% | 10,000 | $1.3M | New |
| MSFT Microsoft Corp. | 1.08% | 3,263 | $1.2M | Reduce -22.7% |
| TOL Toll Brothers Inc. | 0.78% | 6,400 | $873K | No change |
| ANIK Anika Therapeutics Inc. | 0.69% | 53,662 | $778K | Reduce -7.8% |
| CRWV Coreweave Inc. Class A | 0.69% | 10,000 | $775K | No change |
| BVS Bioventus Inc. Class A | 0.61% | 75,136 | $686K | Add +200.5% |
| GM General Motors Co. | 0.60% | 9,000 | $671K | Reduce -52.1% |
| LNTH Lantheus Holdings Inc. | 0.56% | 8,222 | $624K | No change |
| TDUP Thredup Inc. Class A | 0.47% | 160,555 | $527K | Add +5.2% |
| NOW ServiceNow Inc. | 0.47% | 5,000 | $523K | No change |
| ASTS Ast Spacemobile Inc. | 0.44% | 6,000 | $497K | New |
| AORT Artivion Inc. | 0.44% | 13,500 | $494K | No change |
| GLD SPDR Gold Shares | 0.44% | 1,137 | $489K | No change |
| CVX Chevron Corp. | 0.40% | 2,176 | $450K | Reduce -49.5% |
| RKLB Rocket Lab Corp. | 0.40% | 7,000 | $450K | New |
| TTAN Servicetitan Inc. Class A | 0.40% | 7,000 | $444K | Reduce -30.0% |
| MMM 3M Co. | 0.38% | 2,941 | $427K | Reduce -49.8% |
| P Everpure Inc. Class A | 0.37% | 7,000 | $413K | Reduce -53.3% |
| PLSE Pulse Biosciences Inc. | 0.37% | 19,000 | $410K | New |
| DHI D.R. Horton Inc. | 0.31% | 2,498 | $343K | No change |
| AEO American Eagle Outfitters | 0.30% | 20,027 | $334K | Reduce -10.3% |
| JNJ Johnson & Johnson | 0.25% | 1,156 | $283K | Reduce -49.7% |
| SPRY Ars Pharmaceuticals Inc. | 0.24% | 33,508 | $269K | No change |
| BIRK Birkenstock Holding PLC | 0.21% | 6,700 | $240K | No change |
| VNDA Vanda Pharmaceuticals Inc. | 0.13% | 21,880 | $151K | New |
| LXRX Lexicon Pharmaceuticals Inc. | 0.03% | 20,000 | $31K | New |
| JSPR Jasper Therapeutics Inc. | 0.03% | 35,000 | $31K | New |
Portfolio Sells Q4 2025 → Q1 2026
| KVYO Klaviyo Inc. Class A | Sold out | 0.00% | −2.01 |
| MDB Mongodb Inc. | Sold out | 0.00% | −1.62 |
| COHR Coherent Corp. | Reduce -50.0% | 4.25% | −1.46 |
| AAPL Apple Inc. | Reduce -34.4% | 2.96% | −1.23 |
| COMP Compass Inc. Class A | Sold out | 0.00% | −1.20 |
| SOFI Sofi Technologies Inc. | Sold out | 0.00% | −1.01 |
| RBRK Rubrik Inc. Class A | Sold out | 0.00% | −0.59 |
| GM General Motors Co. | Reduce -52.1% | 0.60% | −0.58 |
| MSFT Microsoft Corp. | Reduce -22.7% | 1.08% | −0.50 |
| GDOT Green Dot Corp. Class A | Sold out | 0.00% | −0.50 |
| TTAN Servicetitan Inc. Class A | Reduce -30.0% | 0.40% | −0.43 |
| P Everpure Inc. Class A | Reduce -53.3% | 0.37% | −0.41 |
| TMO Thermo Fisher Scientific Inc. | Sold out | 0.00% | −0.36 |
| MMM 3M Co. | Reduce -49.8% | 0.38% | −0.34 |
| DDOG Datadog Inc. Class A | Sold out | 0.00% | −0.32 |
| LEN Lennar Corp. Class A | Sold out | 0.00% | −0.28 |
| AEO American Eagle Outfitters | Reduce -10.3% | 0.30% | −0.16 |
| JNJ Johnson & Johnson | Reduce -49.7% | 0.25% | −0.12 |
| CVX Chevron Corp. | Reduce -49.5% | 0.40% | −0.11 |
| ANIK Anika Therapeutics Inc. | Reduce -7.8% | 0.69% | +0.26 |
| LITE Lumentum Holdings Inc. | Reduce -50.0% | 6.27% | +0.57 |
Portfolio Buys Q4 2025 → Q1 2026
| AMKR Amkor Technology Inc. | New | 2.41% | +2.41 |
| UCTT Ultra Clean Holdings Inc. | New | 1.50% | +1.50 |
| ICHR Ichor Holdings Ltd. | New | 1.25% | +1.25 |
| APH Amphenol Corp. Class A | New | 1.13% | +1.13 |
| SMTC Semtech Corp. | Add +116.8% | 1.49% | +0.92 |
| SHOP Shopify Inc. Class A | Add +50.0% | 3.17% | +0.68 |
| CLS Celestica Inc. | Add +33.3% | 2.01% | +0.64 |
| BVS Bioventus Inc. Class A | Add +200.5% | 0.61% | +0.47 |
| ASTS Ast Spacemobile Inc. | New | 0.44% | +0.44 |
| RKLB Rocket Lab Corp. | New | 0.40% | +0.40 |
| PLSE Pulse Biosciences Inc. | New | 0.37% | +0.37 |
| STE Steris PLC | Add +0.1% | 50.80% | +0.33 |
| VNDA Vanda Pharmaceuticals Inc. | New | 0.13% | +0.13 |
| FROG Jfrog Ltd. | Add +20.0% | 1.26% | +0.05 |
| LXRX Lexicon Pharmaceuticals Inc. | New | 0.03% | +0.03 |
| JSPR Jasper Therapeutics Inc. | New | 0.03% | +0.03 |
| TDUP Thredup Inc. Class A | Add +5.2% | 0.47% | −0.28 |
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 |