Institutional Manager · CIK 0001589689
MYDA Advisors LLC
WOODMERE, NY · File #028-18448
Latest AUM
$525.1M
Positions
141
Top-10 Concentration
56.7%
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 |
|---|---|---|---|---|---|
| ADD | INVESCO QQQ TR | IVZ | +55,000 | +$33.8M | +$1.0M |
| NEW | ISHARES BITCOIN TRUST ETF | IBIT | +500,000 | +$24.8M | $0 |
| NEW | ISHARES TR | 464287655 | +100,000 | +$24.6M | $0 |
| NEW | SPDR DOW JONES INDL AVERAGE | 78467X109 | +40,000 | +$19.2M | $0 |
| ADD | AMAZON COM INC | AMZN | +56,000 | +$12.9M | +$540,000 |
| ADD | BIOHAVEN LTD | BHVN | +1,130,000 | +$12.8M | -$446,400 |
| NEW | ECHOSTAR CORP | SATS | +110,000 | +$12.0M | $0 |
| NEW | UNUSUAL MACHS INC | 91532F102 | +835,200 | +$10.6M | $0 |
| EXITED | PROCAP ACQUISITION CORP | G7257A113 | -935,000 | -$9.8M | $0 |
| NEW | PROCAP ACQUISITION CORP | PCAPW | +900,000 | +$9.1M | $0 |
Sector Allocation
Filing History
- 13F COMBINATION REPORTQ/E Dec 2025141 pos · $525.1M
- 13F COMBINATION REPORTQ/E Sep 2025156 pos · $463.2M
- 13F COMBINATION REPORTQ/E Jun 2025142 pos · $572.2M
- 13F COMBINATION REPORTQ/E Mar 2025142 pos · $575.6M
- 13F COMBINATION REPORTQ/E Dec 2024131 pos · $396.9M
- 13F COMBINATION REPORTQ/E Sep 2024141 pos · $456.0M
- 13F COMBINATION REPORTQ/E Jun 2024122 pos · $460.4M
- 13F COMBINATION REPORTQ/E Mar 2024118 pos · $349.8M
- 13F COMBINATION REPORTQ/E Dec 2023107 pos · $309.7M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | INVESCO QQQ TR | IVZ | 130,000 | $79.9M | 18.09% |
| 2 | ISHARES BITCOIN TRUST ETF | IBIT | 500,000 | $24.8M | 5.62% |
| 3 | ISHARES TR | 464287655 | 100,000 | $24.6M | 5.58% |
| 4 | MICROSOFT CORP | MSFT | 50,000 | $24.2M | 5.48% |
| 5 | AMAZON COM INC | AMZN | 104,000 | $24.0M | 5.44% |
| 6 | SPDR DOW JONES INDL AVERAGE | 78467X109 | 40,000 | $19.2M | 4.35% |
| 7 | CORE SCIENTIFIC INC NEW | 21874A106 | 1,167,000 | $17.0M | 3.85% |
| 8 | BIOHAVEN LTD | BHVN | 1,250,000 | $14.1M | 3.20% |
| 9 | ECHOSTAR CORP | SATS | 110,000 | $12.0M | 2.71% |
| 10 | UNUSUAL MACHS INC | 91532F102 | 835,200 | $10.6M | 2.41% |
| 11 | PROCAP ACQUISITION CORP | PCAPW | 900,000 | $9.1M | 2.07% |
| 12 | NLIGHT INC | LASR | 239,042 | $9.0M | 2.03% |
| 13 | AT&T INC | T-PC | 355,069 | $8.8M | 2.00% |
| 14 | ISHARES SILVER TR | SLV | 130,000 | $8.4M | 1.90% |
| 15 | ARCUTIS BIOTHERAPEUTICS INC | ARQT | 265,000 | $7.7M | 1.74% |
| 16 | CINEMARK HLDGS INC | CNK | 315,000 | $7.3M | 1.66% |
| 17 | EXPEDIA GROUP INC | EXPE | 25,000 | $7.1M | 1.60% |
| 18 | MGM RESORTS INTERNATIONAL | MGM | 193,000 | $7.0M | 1.60% |
| 19 | SNOWFLAKE INC | SNOW | 30,000 | $6.6M | 1.49% |
| 20 | CENTRUS ENERGY CORP | LEU | 25,000 | $6.1M | 1.37% |