DIKER MANAGEMENT LLC — 13F Holdings & Portfolio
CIK 1276525 · latest 13F-HR filed 2026-08-14
DIKER MANAGEMENT LLC manages $129.9M in 13F-reported U.S. long-equity assets across 46 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are STE (41.74%), AMD (5.81%), NBIS (5.53%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 10 new positions, exited 6, added to 22, and trimmed 6.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
27TH FLOOR
NEW YORK, NY 10022
$129.9M
Long-equity book
46
Distinct positions
2026-06-30
Filed 2026-08-14
+10 / −6 / ↑22 / ↓6
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ADVANCED MICRO DEVICES INC$3.5M +85.6%
- NEBIUS GROUP N.V.$3.0M +73.0%
- SEMTECH CORP$3.0M +180.4%
- AMKOR TECHNOLOGY INC$2.5M +91.5%
- ICHOR HOLDINGS$2.3M +161.2%
Top Trims
- LUMENTUM HLDGS INC-$1.5M -20.6%
- ARTIVION INC-$191.4K -38.7%
- CHEVRON CORPORATION-$89.2K -19.8%
- SPDR GOLD TR-$70.2K -14.4%
- VANDA PHARMACEUTICALS INC-$17.2K -11.4%
New Positions
- NAVITAS SEMICONDUCTOR CORP$2.8M
- ENTEGRIS INC$1.8M
- ZEBRA TECHNOLOGIES CORPORATI$1.3M
- F5 INC$1.2M
- AFFIRM HLDGS INC$816.0K
Exited Positions
- SHOPIFY INC$3.6M
- CELESTICA INC$2.3M
- IREN LIMITED$1.4M
- AMPHENOL CORP$1.3M
- SERVICENOW INC$522.8K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | STERIS PLC | STE | G8473T100 | $54.2M | 41.74% | 257,593 | SH |
| 2 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $7.6M | 5.81% | 13,000 | SH |
| 3 | NEBIUS GROUP N.V. | NBIS | N97284108 | $7.2M | 5.53% | 26,000 | SH |
| 4 | LUMENTUM HLDGS INC | LITE | 55024U109 | $5.6M | 4.29% | 6,500 | SH |
| 5 | AMKOR TECHNOLOGY INC | AMKR | 031652100 | $5.2M | 3.98% | 60,000 | SH |
| 6 | COHERENT CORP | COHR | 19247G107 | $5.1M | 3.95% | 13,000 | SH |
| 7 | SEMTECH CORP | SMTC | 816850101 | $4.7M | 3.60% | 28,875 | SH |
| 8 | ULTRA CLEAN HLDGS INC | UCTT | 90385V107 | $3.9M | 2.96% | 27,000 | SH |
| 9 | APPLE INC | AAPL | 037833100 | $3.8M | 2.92% | 13,097 | SH |
| 10 | ICHOR HOLDINGS | ICHR | G4740B105 | $3.7M | 2.81% | 32,522 | SH |
| 11 | SHARKNINJA INC | SN | G8068L108 | $3.0M | 2.34% | 20,000 | SH |
| 12 | NAVITAS SEMICONDUCTOR CORP | NVTS | 63942X106 | $2.8M | 2.12% | 153,564 | SH |
| 13 | JFROG LTD | FROG | M6191J100 | $2.7M | 2.10% | 30,000 | SH |
| 14 | ENTEGRIS INC | ENTG | 29362U104 | $1.8M | 1.38% | 10,000 | SH |
| 15 | ROCKET LAB CORP | RKLB | 773121108 | $1.4M | 1.10% | 14,000 | SH |
| 16 | ZEBRA TECHNOLOGIES CORPORATI | ZBRA | 989207105 | $1.3M | 1.01% | 5,000 | SH |
| 17 | F5 INC | FFIV | 315616102 | $1.2M | 0.94% | 2,944 | SH |
| 18 | MICROSOFT CORP | MSFT | 594918104 | $1.2M | 0.92% | 3,218 | SH |
| 19 | THREDUP INC | TDUP | 88556E102 | $1.1M | 0.85% | 160,555 | SH |
| 20 | TOLL BROTHERS INC | TOL | 889478103 | $1.1M | 0.81% | 6,400 | SH |
| 21 | COREWEAVE INC | CRWV | 21873S108 | $995.0K | 0.77% | 10,000 | SH |
| 22 | AFFIRM HLDGS INC | AFRM | 00827B106 | $816.0K | 0.63% | 10,000 | SH |
| 23 | ANIKA THERAPEUTICS INC | ANIK | 035255108 | $785.0K | 0.60% | 53,662 | SH |
| 24 | BIOVENTUS INC | BVS | 09075A108 | $709.0K | 0.55% | 75,136 | SH |
| 25 | GENERAL MTRS CO | GM | 37045V100 | $694.0K | 0.53% | 9,000 | SH |
| 26 | LANTHEUS HLDGS INC | LNTH | 516544103 | $635.0K | 0.49% | 5,722 | SH |
| 27 | SOFI TECHNOLOGIES INC | SOFI | 83406F102 | $538.0K | 0.41% | 30,000 | SH |
| 28 | AST SPACEMOBILE INC | ASTS | 00217D100 | $533.0K | 0.41% | 6,000 | SH |
| 29 | PULSE BIOSCIENCES INC | PLSE | 74587B101 | $527.0K | 0.41% | 19,000 | SH |
| 30 | ARS PHARMACEUTICALS INC | SPRY | 82835W108 | $525.0K | 0.40% | 65,508 | SH |
| 31 | SERVICETITAN INC | TTAN | 81764X103 | $495.0K | 0.38% | 7,000 | SH |
| 32 | 3M CO | MMM | 88579Y101 | $476.0K | 0.37% | 2,941 | SH |
| 33 | SPDR GOLD TR | GLD | 78463V107 | $419.0K | 0.32% | 1,137 | SH |
| 34 | D R HORTON INC | DHI | 23331A109 | $407.0K | 0.31% | 2,498 | SH |
| 35 | CLOUDFLARE INC | NET | 18915M107 | $368.0K | 0.28% | 1,500 | SH |
| 36 | CHEVRON CORPORATION | CVX | 166764100 | $361.0K | 0.28% | 2,176 | SH |
| 37 | AKAMAI TECHNOLOGIES INC | AKAM | 00971T101 | $355.0K | 0.27% | 3,000 | SH |
| 38 | AMERICAN EAGLE OUTFITTERS IN | AEO | 02553E106 | $344.0K | 0.26% | 20,027 | SH |
| 39 | ARTIVION INC | AORT | 228903100 | $303.0K | 0.23% | 13,500 | SH |
| 40 | JOHNSON & JOHNSON | JNJ | 478160104 | $294.0K | 0.23% | 1,156 | SH |
| 41 | BIRKENSTOCK HOLDING PLC | BIRK | M2029K104 | $288.0K | 0.22% | 6,700 | SH |
| 42 | FASTLY INC | FSLY | 31188V100 | $220.0K | 0.17% | 12,000 | SH |
| 43 | THERMO FISHER SCIENTIFIC INC | TMO | 883556102 | $201.0K | 0.15% | 400 | SH |
| 44 | VANDA PHARMACEUTICALS INC | VNDA | 921659108 | $134.0K | 0.10% | 21,880 | SH |
| 45 | LEXICON PHARMACEUTICALS INC | LXRX | 528872302 | $48.0K | 0.04% | 20,000 | SH |
| 46 | JASPER THERAPEUTICS INC | JSPR | 471871202 | $15.0K | 0.01% | 35,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $129.9M | 46 | 0001172661-26-003586 |
| 2026-03-31 | 2026-05-15 | $112.1M | 42 | 0001172661-26-002181 |
| 2025-12-31 | 2026-02-17 | $129.3M | 41 | 0001172661-26-000836 |
| 2025-09-30 | 2025-11-14 | $123.8M | 38 | 0001172661-25-004809 |