DIADEMA PARTNERS LP
Follow13F filer, CIK 2026172, MORRISTOWN, NJ
DIADEMA PARTNERS LP reported $328,219,079 across 95 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-14. Its ten largest share positions make up 70.2% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001892688-25-000149
- Period
- 2025-06-30
- Reported value
- $328M
- Holdings
- 95
- Top 10 weight
- 70.2%
- New
- 35
- Sold out
- 42
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| SLNOadded | +191,150 | $16M |
| AMGNnew | +52,100 | $14.5M |
| BMRNadded | +140,000 | $7.7M |
| TGTXadded | +163,565 | $5.89M |
| VRTXnew | +10,000 | $4.45M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| REGNreduced | -24,221 | -$12.7M |
| ALNYexited | -13,115 | -$3.54M |
| LLYreduced | -4,486 | -$3.5M |
| ARGXreduced | -6,305 | -$3.48M |
| RYTMexited | -50,000 | -$2.65M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q2 2025
Share positions as resolved from 13F-HR 0001892688-25-000149, largest first. % of portfolio is the value over $160,849,374, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| SLNOSOLENO THERAPEUTICS INC | 284,152 | $23.8M | 14.8% | +191,150 | Timeline | ||
| AMGNAMGEN INC | 52,100 | $14.5M | 9.04% | new | Timeline | ||
| TGTXTG THERAPEUTICS INC | 371,448 | $13.4M | 8.31% | +163,565 | Timeline | ||
| NBIXNEUROCRINE BIOSCIENCES INC | 94,042 | $11.8M | 7.35% | +31,795 | Timeline | ||
| LLYELI LILLY & CO | 14,816 | $11.5M | 7.18% | -4,486 | Timeline | ||
| JAZZJAZZ PHARMACEUTICALS PLC | 104,473 | $11.1M | 6.89% | +17,284 | Timeline | ||
| BMRNBIOMARIN PHARMACEUTICAL INC | 192,877 | $10.6M | 6.59% | +140,000 | Timeline | ||
| PCVXVAXCYTE INC | 198,285 | $6.45M | 4.01% | +105,900 | Timeline | ||
| VKTXVIKING THERAPEUTICS INC | 197,468 | $5.23M | 3.25% | +93,347 | Timeline | ||
| VRTXVERTEX PHARMACEUTICALS INC | 10,000 | $4.45M | 2.77% | new | Timeline | ||
| PTGXPROTAGONIST THERAPEUTICS INC | 76,185 | $4.21M | 2.62% | new | Timeline | ||
| GILDGILEAD SCIENCES INC | 30,000 | $3.33M | 2.07% | new | Timeline | ||
| ARGXARGENX SE | 5,974 | $3.29M | 2.05% | -6,305 | Timeline | ||
| IMCRIMMUNOCORE HLDGS PLC | 104,384 | $3.28M | 2.04% | +7,400 | Timeline | ||
| REGNREGENERON PHARMACEUTICALS | 5,607 | $2.94M | 1.83% | -24,221 | Timeline | ||
| RVMDREVOLUTION MEDICINES INC | 79,079 | $2.91M | 1.81% | new | Timeline | ||
| COGTCOGENT BIOSCIENCES INC | 392,213 | $2.82M | 1.75% | 0 | Timeline | ||
| SRRKSCHOLAR ROCK HLDG CORP | 62,926 | $2.23M | 1.39% | +5,003 | Timeline | ||
| ITEOS THERAPEUTICS INCITEOS THERAPEUTICS INC | 206,200 | $2.06M | 1.28% | new | |||
| URGNUROGEN PHARMA LTD | 150,000 | $2.06M | 1.28% | +73,780 | Timeline | ||
| RAREULTRAGENYX PHARMACEUTICAL IN | 53,985 | $1.96M | 1.22% | new | Timeline | ||
| VRDNVIRIDIAN THERAPEUTICS INC | 122,061 | $1.71M | 1.06% | -40,002 | Timeline | ||
| MRKMERCK & CO INC | 20,000 | $1.58M | 0.98% | new | Timeline | ||
| PCRXPACIRA BIOSCIENCES INC | 58,926 | $1.41M | 0.88% | +20,000 | Timeline | ||
| OLMAOLEMA PHARMACEUTICALS INC | 253,657 | $1.08M | 0.67% | +153,657 | Timeline | ||
| Reviva Pharmaceuticals Hold…Reviva Pharmaceuticals Holdings I… | 2,735,457 | $1.04M | 0.65% | +2,084,734 | |||
| MIND MEDICINE MINDMED INCMIND MEDICINE MINDMED INC | 158,536 | $1.03M | 0.64% | new | |||
| TRVITREVI THERAPEUTICS INC | 185,830 | $1.02M | 0.63% | +5,830 | Timeline | ||
| TERNTERNS PHARMACEUTICALS INC | 259,852 | $969K | 0.6% | +203,754 | Timeline | ||
| 89BIO INC89BIO INC | 98,382 | $966K | 0.6% | -133,054 | |||
| CLYMCLIMB BIO INC | 702,135 | $871K | 0.54% | +32,332 | Timeline | ||
| SCPHARMACEUTICALS INCSCPHARMACEUTICALS INC | 217,623 | $829K | 0.52% | new | |||
| VTGNVISTAGEN THERAPEUTICS INC | 403,922 | $808K | 0.5% | -162,053 | Timeline | ||
| ARVNARVINAS INC | 96,455 | $710K | 0.44% | new | Timeline | ||
| APGEAPOGEE THERAPEUTICS INC | 10,572 | $459K | 0.29% | -29,428 | Timeline | ||
| PHATPHATHOM PHARMACEUTICALS INC | 40,294 | $386K | 0.24% | new | Timeline | ||
| NUVLNUVALENT INC | 5,000 | $382K | 0.24% | new | Timeline | ||
| ALECALECTOR INC | 266,023 | $372K | 0.23% | -190,523 | Timeline | ||
| PRQRPROQR THRAPEUTICS N V | 157,694 | $322K | 0.2% | -50,000 | Timeline | ||
| REPLREPLIMUNE GROUP INC | 32,483 | $302K | 0.19% | -42,047 | Timeline | ||
| ELDNELEDON PHARMACEUTICALS INC | 64,613 | $175K | 0.11% | 0 | Timeline | ||
| RLAYRELAY THERAPEUTICS INC | 43,616 | $151K | 0.09% | -382,730 | Timeline | ||
| ELEVATION ONCOLOGY INC COMELEVATION ONCOLOGY INC COM | 362,935 | $133K | 0.08% | new | |||
| PRTCYPURETECH HEALTH PLC | 7,324 | $126K | 0.08% | new | Timeline | ||
| SMMTSUMMIT THERAPEUTICS INC | 932 | $19.8K | 0.01% | new | Timeline | ||
| ZLABZAI LAB LTD | 3,785 | $13.2K | 0.01% | new | Timeline |
Options
Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| AMGNAMGEN INC COM | put | 62,100 | $17.3M | +10,000 |
| LLYELI LILLY & CO COM | put | 20,700 | $16.1M | 0 |
| XBISPDR SERIES TRUST S&P BIOTECH | call | 100,000 | $8.29M | new |
| RAREULTRAGENYX PHARMACEUTICAL IN COM | call | 217,000 | $7.89M | +100,000 |
| LLYELI LILLY & CO COM | call | 10,000 | $7.8M | 0 |
| RVMDREVOLUTION MEDICINES INC Stock | call | 200,000 | $7.36M | new |
| CORTCORCEPT THERAPEUTICS INC COM | put | 100,200 | $7.35M | -50,000 |
| NVONOVO-NORDISK A S ADR | call | 100,000 | $6.9M | -8,700 |
| APGEAPOGEE THERAPEUTICS INC Stock | call | 156,300 | $6.79M | +30,000 |
| BBIOBRIDGEBIO PHARMA INC COM | call | 131,400 | $5.67M | 0 |
| CRSPCRISPR THERAPEUTICS AG Stock | call | 112,000 | $5.45M | 0 |
| JAZZJAZZ PHARMACEUTICALS PLC Stock | call | 50,000 | $5.31M | -20,800 |
| SPRYARS PHARMACEUTICALS INC COM | call | 280,700 | $4.9M | new |
| ALTALTIMMUNE INC COM NEW | call | 1,262,900 | $4.89M | +844,100 |
| PFEPFIZER INC COM | call | 200,000 | $4.85M | -700,000 |
| RAREULTRAGENYX PHARMACEUTICAL IN COM | put | 123,300 | $4.48M | 0 |
| AGIOAGIOS PHARMACEUTICALS INC COM | call | 122,100 | $4.06M | +2,400 |
| MREOMEREO BIOPHARMA GROUP PLC CMN | call | 1,317,600 | $3.57M | +802,400 |
| RXRXRECURSION PHARMACEUTICALS IN CL A | call | 698,400 | $3.53M | 0 |
| MRNAMODERNA INC COM | call | 102,100 | $2.82M | +50,000 |
| MRNAMODERNA INC COM | put | 100,000 | $2.76M | 0 |
| ZYMEZYMEWORKS INC COM | call | 179,300 | $2.25M | 0 |
| MLTXMOONLAKE IMMUNOTHERAPEUTICS Stock | put | 41,300 | $1.95M | new |
| MNKDMANNKIND CORP Stock | call | 519,900 | $1.94M | 0 |
| ACADACADIA PHARMACEUTICALS INC COM | call | 88,900 | $1.92M | new |
| SCPHARMACEUTICALS INCSCPHARMACEUTICALS INC COM | call | 486,500 | $1.85M | new |
| SMMTSUMMIT THERAPEUTICS INC COM | call | 74,700 | $1.59M | +50,000 |
| Reviva Pharmaceuticals Hold…Reviva Pharmaceuticals Holdings I… Common Stock | call | 4,000,000 | $1.52M | new |
| QUREUNIQURE NV SHS | call | 104,100 | $1.45M | -50,000 |
| COGTCOGENT BIOSCIENCES INC COM | put | 201,400 | $1.45M | 0 |
| BHVNBIOHAVEN LTD COM | call | 100,000 | $1.41M | new |
| OCULOCULAR THERAPEUTIX INC COM | call | 136,700 | $1.27M | 0 |
| SMMTSUMMIT THERAPEUTICS INC COM | put | 50,000 | $1.06M | new |
| CAPRCAPRICOR THERAPEUTICS INC COMMON STOCK | put | 106,600 | $1.06M | new |
| BMEABIOMEA FUSION INC CMN | call | 568,900 | $1.02M | new |
| TNGXTANGO THERAPEUTICS INC COM | call | 200,000 | $1.02M | new |
| GOSSGOSSAMER BIO INC Stock | call | 824,800 | $1.01M | 0 |
| SLSSELLAS LIFE SCIENCES GROUP I COM NEW | call | 400,000 | $876K | new |
| FOLDAMICUS THERAPEUTIC COM | call | 131,400 | $753K | 0 |
| ALTALTIMMUNE INC COM NEW | put | 171,400 | $663K | new |
| CRDFCARDIFF ONCOLOGY INC COM | call | 208,100 | $656K | 0 |
| ATYRATYR PHARMA INC COM NEW | call | 128,700 | $653K | +74,000 |
| PRTAPROTHENA CORP PLC Stock | call | 100,000 | $607K | new |
| TERNTERNS PHARMACEUTICALS INC Stock | call | 160,900 | $600K | new |
| ATYRATYR PHARMA INC COM NEW | put | 76,200 | $386K | +64,400 |
| MREOMEREO BIOPHARMA GROUP PLC CMN | put | 39,400 | $107K | 0 |
| NKTRNEKTAR THERAPEUTICS COMMON STOCK | call | 47,474 | $85.9K | new |
| COGTCOGENT BIOSCIENCES INC COM | call | 6,900 | $49.5K | new |
| VTGNVISTAGEN THERAPEUTICS INC COM | call | 200 | $400 | 0 |
Sold out in Q2 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| AMGNAMGEN INC | 103,300 | $32.2M | call |
| SLNOSOLENO THERAPEUTICS INC | 219,400 | $15.7M | call |
| SLNOSOLENO THERAPEUTICS INC | 217,000 | $15.5M | put |
| REGNREGENERON PHARMACEUTICALS | 20,000 | $12.7M | put |
| NVONOVO-NORDISK A S | 124,600 | $8.65M | put |
| ALNYALNYLAM PHARMACEUTICALS INC | 20,000 | $5.4M | put |
| CORTCORCEPT THERAPEUTICS INC | 40,000 | $4.57M | call |
| ALNYALNYLAM PHARMACEUTICALS INC | 13,115 | $3.54M | shares |
| RYTMRHYTHM PHARMACEUTICALS INC | 50,000 | $2.65M | shares |
| SPRINGWORKS THERAPEUTICS INCSPRINGWORKS THERAPEUTICS INC | 60,000 | $2.65M | shares |
| CNTACENTESSA PHARMACEUTICALS PLC | 164,048 | $2.36M | shares |
| ANABANAPTYSBIO INC | 117,300 | $2.18M | put |
| EWTXEDGEWISE THERAPEUTICS INC | 98,200 | $2.16M | call |
| PCVXVAXCYTE INC | 51,600 | $1.95M | put |
| ANABANAPTYSBIO INC | 96,800 | $1.8M | call |
| NVONOVO-NORDISK A S | 24,618 | $1.68M | shares |
| KALVKALVISTA PHARMACEUTICALS INC | 135,509 | $1.56M | shares |
| KROSKEROS THERAPEUTICS INC | 147,100 | $1.5M | call |
| SAGE THERAPEUTICS INCSAGE THERAPEUTICS INC | 183,466 | $1.46M | shares |
| ASNDASCENDIS PHARMA A/S | 8,321 | $1.3M | shares |
| VKTXVIKING THERAPEUTICS INC | 50,000 | $1.21M | call |
| KALVKALVISTA PHARMACEUTICALS INC | 103,300 | $1.19M | call |
| CYTKCYTOKINETICS INC | 20,000 | $804K | shares |
| KROSKEROS THERAPEUTICS INC | 65,800 | $671K | put |
| EOLSEVOLUS INC | 50,000 | $602K | put |
| VERVE THERAPEUTICS INCVERVE THERAPEUTICS INC | 116,900 | $534K | call |
| NEKTAR THERAPEUTICSNEKTAR THERAPEUTICS | 678,200 | $461K | call |
| FLNAFILANA THERAPEUTICS INC | 300,000 | $450K | call |
| QUREUNIQURE NV | 36,500 | $387K | shares |
| CMPXCOMPASS THERAPEUTICS INC | 200,000 | $380K | call |
| BMEABIOMEA FUSION INC | 170,100 | $362K | put |
| UNITY BIOTECHNOLOGY INC COM…UNITY BIOTECHNOLOGY INC COM NEW | 346,900 | $361K | call |
| IMUXIMMUNIC INC | 317,800 | $346K | call |
| RLAYRELAY THERAPEUTICS INC | 131,400 | $344K | call |
| GOSSGOSSAMER BIO INC | 269,589 | $297K | shares |
| CAPRCAPRICOR THERAPEUTICS INC | 30,300 | $288K | call |
| UNITY BIOTECHNOLOGY INC COM…UNITY BIOTECHNOLOGY INC COM NEW | 215,200 | $224K | put |
| MREOMEREO BIOPHARMA GROUP PLC | 492,215 | $169K | shares |
| SGMTSAGIMET BIOSCIENCES INC | 46,019 | $150K | shares |
| CADLCANDEL THERAPEUTICS INC | 25,045 | $142K | shares |
| FLNAFILANA THERAPEUTICS INC | 9,900 | $14.8K | put |
| JAZZJAZZ PHARMACEUTICALS PLC | 100 | $12.4K | put |
How Q2 2025 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001892688-25-000149 | base | 2025-08-14 | acceptance time not in the bulk data set |