EQUITEC PROPRIETARY MARKETS, LLC — 13F Holdings & Portfolio
CIK 1143261 · latest 13F-HR filed 2026-05-11
EQUITEC PROPRIETARY MARKETS, LLC manages $187.1M in 13F-reported U.S. long-equity assets across 81 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are HOLX (18.46%), ACLX (12.60%), EA (9.05%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 16 new positions, exited 16, added to 10, and trimmed 17.
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.
$187.1M
Long-equity book
81
Distinct positions
2026-03-31
Filed 2026-05-11
+16 / −16 / ↑10 / ↓17
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- HOLOGIC INC$11.8M +254.4%
- BRIGHTHOUSE FINL INC$814.9K +3309.9%
- LENSAR INC$37.5K +169.7%
- ALPHA TAU MEDICAL LTD$1.3K +194.1%
- TEUCRIUM COMMODITY TR$720 +18.0%
Top Trims
- PARAMOUNT SKYDANCE CORP-$2.3M -87.5%
- WARNER BROS DISCOVERY INC-$718.9K -62.4%
- GAMESTOP CORP-$122.1K -97.7%
- BIGBEAR AI HLDGS INC-$74.1K -74.1%
- LIVEWIRE GROUP INC-$16.3K -45.1%
New Positions
- ZIM INTEGRATED SHIPPING SERV$9.6M
- TERNS PHARMACEUTICALS INC$5.3M
- ARCELLX INC$3.9M
- TRI POINTE HOMES INC$1.4M
- PENUMBRA INC$919.8K
Exited Positions
- CIDARA THERAPEUTICS INC$6.4M
- ELECTRONIC ARTS INC$1.8M
- KAYNE ANDERSON BDC INC$1.7M
- DYNAVAX TECHNOLOGIES CORP$522.9K
- REPARE THERAPEUTICS INC$307.8K
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 | HOLOGIC INC Put | HOLX | 436440101 | $34.5M | 18.46% | 457,000 | SH |
| 2 | ARCELLX INC Call | ACLX | 03940C100 | $23.6M | 12.60% | 205,300 | SH |
| 3 | ELECTRONIC ARTS INC Call | EA | 285512109 | $16.9M | 9.05% | 83,100 | SH |
| 4 | HOLOGIC INC | HOLX | 436440101 | $16.4M | 8.79% | 217,567 | SH |
| 5 | ZIM INTEGRATED SHIPPING SERV Put | ZIM | M9T951109 | $9.9M | 5.30% | 376,700 | SH |
| 6 | ZIM INTEGRATED SHIPPING SERV | ZIM | M9T951109 | $9.6M | 5.14% | 364,700 | SH |
| 7 | PENUMBRA INC Call | PEN | 70975L107 | $8.1M | 4.35% | 24,800 | SH |
| 8 | ELECTRONIC ARTS INC Put | EA | 285512109 | $6.7M | 3.56% | 32,700 | SH |
| 9 | TERNS PHARMACEUTICALS INC Put | TERN | 880881107 | $6.4M | 3.43% | 121,800 | SH |
| 10 | ARCELLX INC Put | ACLX | 03940C100 | $5.5M | 2.96% | 48,200 | SH |
| 11 | TERNS PHARMACEUTICALS INC | TERN | 880881107 | $5.3M | 2.83% | 100,500 | SH |
| 12 | HOLOGIC INC Call | HOLX | 436440101 | $5.1M | 2.71% | 67,000 | SH |
| 13 | PENUMBRA INC Put | PEN | 70975L107 | $4.7M | 2.49% | 14,200 | SH |
| 14 | BOEING CO Put | BA | 097023105 | $4.0M | 2.13% | 20,000 | SH |
| 15 | ARCELLX INC | ACLX | 03940C100 | $3.9M | 2.06% | 33,574 | SH |
| 16 | BRIGHTHOUSE FINL INC Put | BHF | 10922N103 | $3.1M | 1.68% | 52,600 | SH |
| 17 | BOSTON SCIENTIFIC CORP Call | BSX | 101137107 | $3.1M | 1.68% | 50,000 | SH |
| 18 | TRI POINTE HOMES INC Put | TPH | 87265H109 | $1.6M | 0.84% | 33,800 | SH |
| 19 | TRI POINTE HOMES INC | TPH | 87265H109 | $1.4M | 0.76% | 30,600 | SH |
| 20 | WARNER BROS DISCOVERY INC Put | WBD | 934423104 | $1.4M | 0.75% | 50,900 | SH |
| 21 | WOLFSPEED INC Put | WOLF | 97785W106 | $1.3M | 0.67% | 77,000 | SH |
| 22 | WESTERN MIDSTREAM PARTNERS L Put | WES | 958669103 | $1.0M | 0.54% | 24,700 | SH |
| 23 | ZIM INTEGRATED SHIPPING SERV Call | ZIM | M9T951109 | $922.2K | 0.49% | 35,000 | SH |
| 24 | PENUMBRA INC | PEN | 70975L107 | $919.8K | 0.49% | 2,801 | SH |
| 25 | YEXT INC Put | YEXT | 98585N106 | $897.0K | 0.48% | 233,600 | SH |
| 26 | YEXT INC | YEXT | 98585N106 | $877.8K | 0.47% | 228,600 | SH |
| 27 | AES CORP | AES | 00130H105 | $859.5K | 0.46% | 61,000 | SH |
| 28 | AES CORP Put | AES | 00130H105 | $859.5K | 0.46% | 61,000 | SH |
| 29 | BRIGHTHOUSE FINL INC | BHF | 10922N103 | $839.5K | 0.45% | 14,020 | SH |
| 30 | WESTERN MIDSTREAM PARTNERS L Call | WES | 958669103 | $831.6K | 0.44% | 20,200 | SH |
| 31 | BOSTON SCIENTIFIC CORP | BSX | 101137107 | $696.5K | 0.37% | 11,100 | SH |
| 32 | WOLFSPEED INC Call | WOLF | 97785W106 | $661.0K | 0.35% | 40,500 | SH |
| 33 | WESTERN MIDSTREAM PARTNERS L | WES | 958669103 | $605.2K | 0.32% | 14,700 | SH |
| 34 | BRIGHTHOUSE FINL INC Call | BHF | 10922N103 | $598.8K | 0.32% | 10,000 | SH |
| 35 | PARAMOUNT SKYDANCE CORP Call | PSKY | 69932A204 | $448.3K | 0.24% | 49,700 | SH |
| 36 | WARNER BROS DISCOVERY INC | WBD | 934423104 | $433.9K | 0.23% | 15,800 | SH |
| 37 | JANUS HENDERSON GROUP PLC | JHG | G4474Y214 | $375.0K | 0.20% | 7,300 | SH |
| 38 | JANUS HENDERSON GROUP PLC Put | JHG | G4474Y214 | $375.0K | 0.20% | 7,300 | SH |
| 39 | GREAT LAKES DREDGE & DOCK CO Put | GLDD | 390607109 | $323.0K | 0.17% | 19,000 | SH |
| 40 | PARAMOUNT SKYDANCE CORP | PSKY | 69932A204 | $322.9K | 0.17% | 35,800 | SH |
| 41 | PARAMOUNT SKYDANCE CORP Put | PSKY | 69932A204 | $322.9K | 0.17% | 35,800 | SH |
| 42 | KEZAR LIFE SCIENCES INC Put | KZR | 49372L209 | $282.0K | 0.15% | 38,000 | SH |
| 43 | GREAT LAKES DREDGE & DOCK CO | GLDD | 390607109 | $239.7K | 0.13% | 14,100 | SH |
| 44 | KEZAR LIFE SCIENCES INC | KZR | 49372L209 | $144.7K | 0.08% | 19,500 | SH |
| 45 | WARNER BROS DISCOVERY INC Call | WBD | 934423104 | $137.3K | 0.07% | 5,000 | SH |
| 46 | TRI POINTE HOMES INC Call | TPH | 87265H109 | $70.1K | 0.04% | 1,500 | SH |
| 47 | ISHARES TR | TLT | 464287432 | $69.4K | 0.04% | 800 | SH |
| 48 | LENSAR INC | LNSR | 52634L108 | $59.6K | 0.03% | 10,000 | SH |
| 49 | LENSAR INC Put | LNSR | 52634L108 | $59.6K | 0.03% | 10,000 | SH |
| 50 | SHUTTERSTOCK INC | SSTK | 825690100 | $53.2K | 0.03% | 3,200 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-11 | $187.1M | 81 | 0001420506-26-000917 |
| 2025-12-31 | 2026-02-17 | $174.2M | 84 | 0001420506-26-000546 |
| 2025-09-30 | 2025-11-26 | $440.1M | 77 | 0001420506-25-003510 |