Diametric Capital, LP — 13F Holdings & Portfolio
CIK 1719087 · latest 13F-HR filed 2026-08-14
Diametric Capital, LP manages $948.5M in 13F-reported U.S. long-equity assets across 474 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (24.90%), PGEN (5.57%), SPLV (1.78%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 287 new positions, exited 285, added to 131, and trimmed 47.
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.
3RD FLOOR
BOSTON, MA 02116
$948.5M
Long-equity book
474
Distinct positions
2026-06-30
Filed 2026-08-14
+287 / −285 / ↑131 / ↓47
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- PRECIGEN INC$26.5M +100.7%
- INVESCO EXCH TRADED FD TR II$14.0M +480.5%
- UNIQURE NV$8.8M +2920.7%
- FULGENT GENETICS INC$8.6M +149.4%
- ALMONTY INDS INC$7.2M +647.3%
Top Trims
- AI FINL CORP-$3.7M -54.1%
- FORGENT POWER SOLUTIONS INC-$3.0M -71.6%
- BITMINE IMMERSION TECHS INC-$3.0M -33.1%
- NETGEAR INC-$2.1M -67.4%
- BRIGHTSTAR LOTTERY PLC-$2.0M -78.5%
New Positions
- STATE STR SPDR S&P 500 ETF T$236.2M
- ISHARES TR$10.0M
- DIGITAL RLTY TR INC$6.6M
- CEREBRAS SYSTEMS INC$5.4M
- AEVA TECHNOLOGIES INC$4.5M
Exited Positions
- PENN ENTERTAINMENT INC$4.9M
- WEBSTER FINL CORP$2.7M
- SELECT SECTOR SPDR TR$2.7M
- NORFOLK SOUTHN CORP$2.3M
- LIBERTY GLOBAL LTD$2.2M
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 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $236.2M | 24.90% | 316,249 | SH |
| 2 | PRECIGEN INC | PGEN | 74017N105 | $52.8M | 5.57% | 9,269,926 | SH |
| 3 | INVESCO EXCH TRADED FD TR II | SPLV | 46138E354 | $16.9M | 1.78% | 225,231 | SH |
| 4 | FULGENT GENETICS INC | FLGT | 359664109 | $14.3M | 1.51% | 697,784 | SH |
| 5 | ISHARES TR | EFA | 464287465 | $10.0M | 1.05% | 96,265 | SH |
| 6 | A2Z CUST2MATE SOLUTIONS CORP | AZ | 002205102 | $9.7M | 1.02% | 1,669,711 | SH |
| 7 | UNIQURE NV | QURE | N90064101 | $9.1M | 0.96% | 197,242 | SH |
| 8 | LIQUIDIA CORPORATION | LQDA | 53635D202 | $8.4M | 0.89% | 105,781 | SH |
| 9 | ALMONTY INDS INC | ALM | 020398707 | $8.3M | 0.87% | 500,000 | SH |
| 10 | GOLAR LNG LTD | GLNG | G9456A100 | $8.1M | 0.85% | 161,701 | SH |
| 11 | PRECIGEN INC Call | PGEN | 74017N105 | $8.0M | 0.85% | 1,412,000 | SH |
| 12 | CALUMET INC | CLMT | 131428104 | $7.4M | 0.78% | 206,372 | SH |
| 13 | ABIVAX SA | ABVX | 00370M103 | $6.9M | 0.73% | 51,903 | SH |
| 14 | DIGITAL RLTY TR INC | DLR | 253868103 | $6.6M | 0.70% | 36,720 | SH |
| 15 | TELEPHONE & DATA SYS INC | TDS | 879433829 | $6.3M | 0.67% | 171,273 | SH |
| 16 | MGM RESORTS INTERNATIONAL | MGM | 552953101 | $6.1M | 0.64% | 126,997 | SH |
| 17 | BITMINE IMMERSION TECHS INC | BMNR | 09175A206 | $6.0M | 0.63% | 449,294 | SH |
| 18 | PROSHARES TR II | VIXY | 74347Y730 | $5.5M | 0.58% | 257,377 | SH |
| 19 | CEREBRAS SYSTEMS INC | CBRS | 15675D103 | $5.4M | 0.57% | 24,362 | SH |
| 20 | FTAI AVIATION LTD | FTAI | G3730V105 | $5.3M | 0.56% | 19,691 | SH |
| 21 | LIONSGATE STUDIOS CORP | LION | 53626N102 | $5.2M | 0.55% | 341,383 | SH |
| 22 | EZCORP INC | EZPW | 302301106 | $5.0M | 0.53% | 145,000 | SH |
| 23 | HARROW INC | HROW | 415858109 | $5.0M | 0.52% | 116,908 | SH |
| 24 | REGAL REXNORD CORPORATION | RRX | 758750103 | $4.9M | 0.52% | 20,625 | SH |
| 25 | WYNN RESORTS LTD | WYNN | 983134107 | $4.9M | 0.52% | 50,433 | SH |
| 26 | FLUTTER ENTMT PLC | FLUT | G3643J108 | $4.8M | 0.51% | 47,190 | SH |
| 27 | ABEONA THERAPEUTICS INC | ABEO | 00289Y206 | $4.7M | 0.49% | 755,021 | SH |
| 28 | AEVA TECHNOLOGIES INC | AEVA | 00835Q202 | $4.5M | 0.47% | 156,158 | SH |
| 29 | COMFORT SYS USA INC | FIX | 199908104 | $4.5M | 0.47% | 2,247 | SH |
| 30 | UNITED PARKS & RESORTS INC | PRKS | 81282V100 | $4.2M | 0.44% | 87,365 | SH |
| 31 | ROYAL CARIBBEAN GROUP | RCL | V7780T103 | $4.2M | 0.44% | 13,088 | SH |
| 32 | HYATT HOTELS CORP | H | 448579102 | $3.9M | 0.41% | 20,275 | SH |
| 33 | ALLIANCE LAUNDRY HLDGS INC | ALH | 01862Q107 | $3.8M | 0.40% | 142,500 | SH |
| 34 | PEOPLE INC | PPLI | 44891N208 | $3.7M | 0.39% | 79,280 | SH |
| 35 | BRP INC | DOO | 05577W200 | $3.6M | 0.38% | 58,530 | SH |
| 36 | SPS COMM INC | SPSC | 78463M107 | $3.4M | 0.36% | 59,549 | SH |
| 37 | STARZ ENTERTAINMENT CORP. | STRZ | 855919106 | $3.4M | 0.36% | 117,467 | SH |
| 38 | ETSY INC | ETSY | 29786A106 | $3.4M | 0.36% | 44,737 | SH |
| 39 | ASP ISOTOPES INC | ASPI | 00218A105 | $3.3M | 0.35% | 538,517 | SH |
| 40 | ESCO TECHNOLOGIES INC | ESE | 296315104 | $3.3M | 0.35% | 9,493 | SH |
| 41 | ZEVRA THERAPEUTICS INC | ZVRA | 488445206 | $3.3M | 0.35% | 231,465 | SH |
| 42 | BAIDU INC | BIDU | 056752108 | $3.3M | 0.35% | 28,894 | SH |
| 43 | AMAZON COM INC | AMZN | 023135106 | $3.2M | 0.34% | 13,509 | SH |
| 44 | BORGWARNER INC | BWA | 099724106 | $3.2M | 0.33% | 47,581 | SH |
| 45 | AI FINL CORP | AIFC | 47089W104 | $3.2M | 0.33% | 5,394,578 | SH |
| 46 | LIVE NATION ENTERTAINMENT IN | LYV | 538034109 | $3.1M | 0.33% | 17,084 | SH |
| 47 | BRINKER INTL INC | EAT | 109641100 | $3.1M | 0.33% | 18,371 | SH |
| 48 | ECOLAB INC | ECL | 278865100 | $3.1M | 0.32% | 11,000 | SH |
| 49 | MADISON SQUARE GARDEN ENTMT | MSGE | 558256103 | $3.0M | 0.31% | 36,549 | SH |
| 50 | GUARDIAN METAL RES PLC | GMTL | 401382106 | $2.9M | 0.31% | 209,761 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $948.5M | 474 | 0001719087-26-000005 |
| 2026-03-31 | 2026-05-15 | $384.8M | 473 | 0001719087-26-000003 |
| 2025-12-31 | 2026-02-13 | $373.1M | 368 | 0001719087-26-000002 |
| 2025-09-30 | 2025-11-13 | $269.7M | 374 | 0001719087-25-000010 |