Institutional Manager · CIK 0001738654
Opti Capital Management, LP
New York, NY · File #028-19379
Latest AUM
$1.37B
Positions
43
Top-10 Concentration
51.8%
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 |
|---|---|---|---|---|---|
| EXITED | SEAGATE HDD CAYMAN | 81180WBL4 | -43,371,000 | -$125.2M | $0 |
| EXITED | INTERDIGITAL INC | 45867GAD3 | -24,500,000 | -$109.7M | $0 |
| NEW | FASTLY INC | FSLY | +89,646,000 | +$100.2M | $0 |
| EXITED | HALOZYME THERAPEUTICS INC | 40637HAD1 | -73,000,000 | -$83.8M | $0 |
| EXITED | NOVOCURE LTD | 67011XAB9 | -74,846,000 | -$74.5M | $0 |
| REDUCE | SEA LTD | SE | -59,062,000 | -$57.4M | +$614,081 |
| NEW | DEXCOM INC | DXCM | +58,000,000 | +$53.6M | $0 |
| NEW | MARA HOLDINGS INC | MARA | +51,088,000 | +$43.1M | $0 |
| REDUCE | FASTLY INC | FSLY | -38,340,000 | -$38.1M | +$778,124 |
| NEW | BLACKLINE INC | BL | +34,940,000 | +$37.0M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202543 pos · $1.37B
- 13F HOLDINGS REPORTQ/E Sep 202544 pos · $1.60B
- 13F HOLDINGS REPORTQ/E Jun 202546 pos · $1.76B
- 13F HOLDINGS REPORTQ/E Mar 202553 pos · $1.63B
- 13F HOLDINGS REPORTQ/E Dec 202466 pos · $2.23B
- 13F HOLDINGS REPORTQ/E Sep 202455 pos · $1.71B
- 13F HOLDINGS REPORTQ/E Jun 202456 pos · $1.34B
- 13F HOLDINGS REPORTQ/E Mar 202448 pos · $1.3M
- 13F HOLDINGS REPORTQ/E Dec 202356 pos · $1.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BLOCK INC | BSQKZ | 137,500,000 | $127.3M | 9.28% |
| 2 | FASTLY INC | FSLY | 89,646,000 | $100.2M | 7.30% |
| 3 | LIVE NATION ENTERTAINMENT IN | LYV | 59,377,000 | $86.4M | 6.30% |
| 4 | TELADOC HEALTH INC | TDOC | 70,000,000 | $66.7M | 4.86% |
| 5 | SNAP INC | SNAP | 69,454,000 | $63.4M | 4.62% |
| 6 | BENTLEY SYS INC | BSY | 64,000,000 | $60.3M | 4.40% |
| 7 | ENPHASE ENERGY INC | ENPH | 55,000,000 | $54.5M | 3.97% |
| 8 | DEXCOM INC | DXCM | 58,000,000 | $53.6M | 3.90% |
| 9 | TRANSMEDICS GROUP INC | TMDX | 35,000,000 | $52.5M | 3.83% |
| 10 | RAPID7 INC | RPD | 48,250,000 | $45.9M | 3.35% |
| 11 | MARA HOLDINGS INC | MARA | 51,088,000 | $43.1M | 3.14% |
| 12 | BLACKLINE INC | BL | 34,940,000 | $37.0M | 2.70% |
| 13 | WORKIVA INC | WK | 34,000,000 | $33.8M | 2.46% |
| 14 | DRAFTKINGS INC NEW | DKNG | 34,750,000 | $31.9M | 2.32% |
| 15 | ALIBABA GROUP HLDG LTD | BBAAY | 20,000,000 | $31.1M | 2.27% |
| 16 | BIOMARIN PHARMACEUTICAL INC | BMRN | 32,058,000 | $30.9M | 2.25% |
| 17 | TRIPADVISOR INC | TRIP | 30,000,000 | $29.6M | 2.16% |
| 18 | CONFLUENT INC | 20717MAB9 | 30,000,000 | $29.3M | 2.13% |
| 19 | ETSY INC | ETSY | 30,000,000 | $27.8M | 2.03% |
| 20 | BILL HOLDINGS INC | BILL | 30,000,000 | $27.7M | 2.02% |