Science & Technology Partners, L.P. — 13F Holdings & Portfolio
CIK 2029433 · latest 13F-HR filed 2026-08-14
Science & Technology Partners, L.P. manages $593.3M in 13F-reported U.S. long-equity assets across 85 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (5.56%), GH (5.28%), AAPL (5.12%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 61 new positions and exited 19; 13 existing positions rose in reported value and 10 fell.
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.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 48.1%Cumulative share of the portfolio held in the largest N positions.
3RD FLOOR
GREENWICH, CT 06830
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| FORBIS, BRIAN, BARNUM Control | CFO / CCO / COO | Less than 5% | Individual |
| KLAUER, ERIKA, LEIGH Control | PRINCIPAL / CEO / LIMITED PARTNER | 75% or more | Individual |
| KLAUER, ERIKA, LEIGH Control | MEMBER | 75% or more | Individual |
| SCIENCE AND TECHNOLOGY ASSOCIATES, LLC Control | GENERAL PARTNER | Less than 5% | Domestic Entity |
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- APPLE ORD$27.2M +865.3%
- NVIDIA ORD$27.0M +451.5%
- SITIME CORP$18.3M +714.7%
- PLANET LABS PBC$11.2M +69.2%
- NATERA INC$9.9M +49.5%
Top Trims
- KEYSIGHT TECHNOLOGIES ORD-$24.0M -98.2%
- CLOUDFLARE CL A ORD-$21.4M -97.5%
- LUMENTUM HLDGS INC-$11.1M -41.7%
- CIENA ORD-$10.2M -95.4%
- GENEDX HOLDINGS CORP-$8.2M -52.9%
New Positions
- GUARDANT HEALTH INC$31.3M
- FORGENT POWER SOLUTIONS INC$26.1M
- AEHR TEST SYS$23.9M
- ELI LILLY & CO$23.4M
- SPIRE GLOBAL INC$21.5M
Exited Positions
- TAIWAN SEMICONDUCTOR MANUFAC$18.1M
- CAMTEK LTD$16.0M
- ROCKET LAB CORP$15.2M
- NOKIA CORP$11.9M
- AMPRIUS TECHNOLOGIES INC$10.7M
Science & Technology Partners, L.P. Holdings (2026-06-30)
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 | NVIDIA ORD | NVDA | 67066G104 | $33.0M | 5.56% | 164,870 | SH |
| 2 | GUARDANT HEALTH INC | GH | 40131M109 | $31.3M | 5.28% | 208,817 | SH |
| 3 | APPLE ORD | AAPL | 037833100 | $30.4M | 5.12% | 104,985 | SH |
| 4 | NATERA INC | NTRA | 632307104 | $29.8M | 5.03% | 109,880 | SH |
| 5 | COHERENT CORP | COHR | 19247G107 | $29.0M | 4.88% | 73,400 | SH |
| 6 | LAM RESEARCH CORP | LRCX | 512807306 | $28.1M | 4.74% | 64,913 | SH |
| 7 | PLANET LABS PBC | PL | 72703X106 | $27.3M | 4.61% | 824,733 | SH |
| 8 | FORGENT POWER SOLUTIONS INC | FPS | 34631F102 | $26.1M | 4.41% | 468,000 | SH |
| 9 | BLOOM ENERGY CORP | BE | 093712107 | $25.8M | 4.35% | 85,210 | SH |
| 10 | AEHR TEST SYS | AEHR | 00760J108 | $23.9M | 4.03% | 249,000 | SH |
| 11 | ELI LILLY & CO | LLY | 532457108 | $23.4M | 3.95% | 19,550 | SH |
| 12 | SPIRE GLOBAL INC | SPIR | 848560306 | $21.5M | 3.63% | 1,157,389 | SH |
| 13 | SITIME CORP | SITM | 82982T106 | $20.8M | 3.51% | 27,925 | SH |
| 14 | MICROSOFT ORD | MSFT | 594918104 | $18.8M | 3.17% | 50,484 | SH |
| 15 | AXSOME THERAPEUTICS INC. | AXSM | 05464T104 | $17.9M | 3.01% | 73,040 | SH |
| 16 | LUMENTUM HLDGS INC | LITE | 55024U109 | $15.5M | 2.60% | 18,011 | SH |
| 17 | TERAWULF INC | WULF | 88080T104 | $13.5M | 2.27% | 546,011 | SH |
| 18 | NEUROCRINE BIOSCIENCES INC | NBIX | 64125C109 | $13.4M | 2.26% | 79,724 | SH |
| 19 | TWIST BIOSCIENCE CORP | TWST | 90184D100 | $13.3M | 2.24% | 129,228 | SH |
| 20 | BRIGHTSPRING HEALTH SVCS INC | BTSG | 10950A106 | $12.3M | 2.07% | 176,135 | SH |
| 21 | BROADCOM ORD | AVGO | 11135F101 | $12.1M | 2.05% | 32,151 | SH |
| 22 | CORNING INC | GLW | 219350105 | $10.6M | 1.78% | 41,459 | SH |
| 23 | MICRON TECHNOLOGY ORD | MU | 595112103 | $9.3M | 1.57% | 8,062 | SH |
| 24 | DPC HOLDINGS PLC | DPC | G2R11M108 | $7.8M | 1.31% | 158,828 | SH |
| 25 | GE VERNOVA INC | GEV | 36828A101 | $7.8M | 1.31% | 6,600 | SH |
| 26 | T1 ENERGY INC | TE | 35834F104 | $7.3M | 1.24% | 775,094 | SH |
| 27 | GENEDX HOLDINGS CORP | WGS | 81663L200 | $7.3M | 1.23% | 106,387 | SH |
| 28 | ADVANCED MICRO DEVICES ORD | AMD | 007903107 | $6.8M | 1.14% | 11,657 | SH |
| 29 | UNITEDHEALTH GROUP INC | UNH | 91324P102 | $6.1M | 1.02% | 14,600 | SH |
| 30 | MOLINA HEALTHCARE INC | MOH | 60855R100 | $5.1M | 0.85% | 22,140 | SH |
| 31 | INTEL ORD | INTC | 458140100 | $4.4M | 0.74% | 31,413 | SH |
| 32 | APPLIED MATERIAL ORD | AMAT | 038222105 | $4.1M | 0.69% | 5,670 | SH |
| 33 | SPACE EXPLORATION TECHN CORP | SPCX | 84615Q103 | $3.7M | 0.62% | 21,400 | SH |
| 34 | CISCO SYSTEMS ORD | CSCO | 17275R102 | $3.3M | 0.56% | 28,254 | SH |
| 35 | KLA ORD | KLAC | 482480100 | $2.8M | 0.48% | 9,369 | SH |
| 36 | PALO ALTO NETWORKS ORD | PANW | 697435105 | $2.0M | 0.33% | 5,813 | SH |
| 37 | TEXAS INSTRUMENTS ORD | TXN | 882508104 | $1.9M | 0.33% | 6,510 | SH |
| 38 | INTERNATIONAL BUSINESS MACHINES ORD | IBM | 459200101 | $1.9M | 0.32% | 6,713 | SH |
| 39 | PALANTIR TECHNOLOGIES CL A ORD | PLTR | 69608A108 | $1.8M | 0.31% | 15,578 | SH |
| 40 | MARVELL TECHNOLOGY ORD | MRVL | 573874104 | $1.8M | 0.31% | 6,092 | SH |
| 41 | ORACLE ORD | ORCL | 68389X105 | $1.8M | 0.30% | 12,291 | SH |
| 42 | WESTERN DIGITAL ORD | WDC | 958102105 | $1.6M | 0.27% | 2,475 | SH |
| 43 | AMPHENOL CL A ORD | APH | 032095101 | $1.6M | 0.26% | 8,791 | SH |
| 44 | SEAGATE TECHNOLOGY HOLDINGS ORD | STX | G7997R103 | $1.5M | 0.25% | 1,544 | SH |
| 45 | QUALCOMM ORD | QCOM | 747525103 | $1.4M | 0.24% | 7,630 | SH |
| 46 | ANALOG DEVICES ORD | ADI | 032654105 | $1.4M | 0.23% | 3,484 | SH |
| 47 | CROWDSTRIKE HOLDINGS CL A ORD | CRWD | 22788C105 | $1.4M | 0.23% | 1,771 | SH |
| 48 | ARISTA NETWORKS ORD | ANET | 040413205 | $1.3M | 0.22% | 7,625 | SH |
| 49 | SHOPIFY CL A SUB VTG ORD | SHOP | 82509L107 | $1.0M | 0.17% | 8,780 | SH |
| 50 | DELL TECHNOLOGIES CL C ORD | DELL | 24703L202 | $929.8K | 0.16% | 2,155 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $593.3M | 85 | 0002029433-26-000004 |
| 2026-03-31 | 2026-05-15 | $382.2M | 43 | 0002029433-26-000003 |
| 2025-12-31 | 2026-02-17 | $359.8M | 25 | 0002029433-26-000002 |
| 2025-09-30 | 2025-11-14 | $358.9M | 26 | 0002029433-25-000009 |
3RD FLOOR
GREENWICH, CT 06830