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Polar Asset Management Partners Inc. — 13F Holdings & Portfolio

CIK 1326389 · latest 13F-HR filed 2026-05-15

Backtest portfolio

Polar Asset Management Partners Inc. manages $5.01B in 13F-reported U.S. long-equity assets across 691 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are IDCC (4.84%), ECHOSTAR CORP (4.28%), LYV (4.25%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 240 new positions, exited 209, added to 82, and trimmed 192.

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.

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AUM

$5.01B

Long-equity book

Holdings

691

Distinct positions

Period

2026-03-31

Filed 2026-05-15

Q/Q Activity

+240 / −209 / ↑82 / ↓192

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • CLEARWATER ANALYTICS HLDGS I$51.4M +149.7%
  • SEALED AIR CORP NEW$50.2M +8077.5%
  • PPL CAP FDG INC$38.9M +70.8%
  • WEBSTER FINL CORP$33.4M +889.7%
  • M3BRIGADE ACQUISITION V CORP$22.3M +119.2%
Show all 82 →

Top Trims

  • AMAZON COM INC-$111.8M -69.3%
  • EVERGY INC-$55.4M -45.5%
  • GRANITE CONSTR INC-$54.4M -38.9%
  • ADVANCED MICRO DEVICES INC-$51.0M -89.0%
  • TESLA INC-$34.8M -48.3%
Show all 192 →

New Positions

  • ECHOSTAR CORP$214.2M
  • ONESTREAM INC$70.7M
  • TRI POINTE HOMES INC$66.8M
  • VERIS RESIDENTIAL INC$51.4M
  • MASIMO CORP$41.3M
Show all 240 →

Exited Positions

  • SPROTT ASSET MANAGEMENT LP$200.1M
  • PALANTIR TECHNOLOGIES INC$99.5M
  • DAYFORCE INC$86.0M
  • CYBERARK SOFTWARE LTD$83.6M
  • SPROTT ASSET MANAGEMENT LP$81.3M
Show all 209 →
All Holdings

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 INTERDIGITAL INC IDCC 45867GAD3 $242.6M 4.84% 61,775,000 PRN
2 ECHOSTAR CORP — 278768AB2 $214.2M 4.28% 59,850,000 PRN
3 LIVE NATION ENTERTAINMENT IN LYV 538034BA6 $212.9M 4.25% 140,000,000 PRN
4 STATE STR SPDR S&P 500 ETF T Put SPY 78462F103 $193.9M 3.87% 298,100 SH
5 NVIDIA CORPORATION NVDA 67066G104 $121.8M 2.43% 698,361 SH
6 VANECK ETF TRUST Put GDX 92189F106 $114.7M 2.29% 1,250,000 SH
7 ISHARES TR Put OEF 464287101 $99.5M 1.99% 1,250,000 SH
8 PPL CAP FDG INC PPL 69352PAS2 $93.8M 1.87% 80,000,000 PRN
9 CLEARWATER ANALYTICS HLDGS I CWAN 185123106 $85.7M 1.71% 3,622,500 SH
10 GRANITE CONSTR INC GVA 387328AD9 $85.5M 1.71% 32,500,000 PRN
11 ISHARES TR Put OEF 464287101 $78.2M 1.56% 315,300 SH
12 ONESTREAM INC OS 68278B107 $70.7M 1.41% 2,944,378 SH
13 TRI POINTE HOMES INC TPH 87265H109 $66.8M 1.33% 1,430,000 SH
14 EVERGY INC EVRG 30034WAD8 $66.4M 1.32% 49,123,000 PRN
15 ELECTRONIC ARTS INC EA 285512109 $65.9M 1.32% 323,078 SH
16 MIRUM PHARMACEUTICALS INC MIRM 604749AB7 $63.8M 1.27% 21,375,000 PRN
17 VERIS RESIDENTIAL INC VRE 554489104 $51.4M 1.03% 2,724,667 SH
18 SEALED AIR CORP NEW SEE 81211K100 $50.8M 1.01% 1,208,540 SH
19 AMAZON COM INC AMZN 023135106 $49.6M 0.99% 238,000 SH
20 AMAZON COM INC Put AMZN 023135106 $46.9M 0.94% 225,000 SH
21 HOLOGIC INC HOLX 436440101 $44.3M 0.88% 586,038 SH
22 MASIMO CORP MASI 574795100 $41.3M 0.82% 232,026 SH
23 M3BRIGADE ACQUISITION V CORP MBAV G63212107 $40.9M 0.82% 3,812,849 SH
24 INVESCO QQQ TR Put QQQ 46090E103 $40.4M 0.81% 70,000 SH
25 TERNS PHARMACEUTICALS INC TERN 880881107 $38.2M 0.76% 725,000 SH
26 TESLA INC TSLA 88160R101 $37.2M 0.74% 100,000 SH
27 TESLA INC Put TSLA 88160R101 $37.2M 0.74% 100,000 SH
28 WEBSTER FINL CORP WBS 947890109 $37.1M 0.74% 535,015 SH
29 CORE SCIENTIFIC INC NEW CORZW 21874A114 $35.1M 0.70% 4,016,341 SH
30 LIBERTY BROADBAND CORP LBRDK 530307305 $30.2M 0.60% 600,000 SH
31 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $29.1M 0.58% 85,994 SH
32 SELECT SECTOR SPDR TR Put XLI 81369Y704 $25.9M 0.52% 160,300 SH
33 CHEESECAKE FACTORY INC CAKE 163072AC5 $25.5M 0.51% 25,000,000 PRN
34 ISHARES TR Call OEF 464287101 $24.8M 0.50% 100,000 SH
35 AIR LEASE CORP AL 00912X302 $24.8M 0.50% 381,812 SH
36 NORFOLK SOUTHN CORP NSC 655844108 $24.4M 0.49% 85,000 SH
37 SELECT MED HLDGS CORP SEM 81619Q105 $22.8M 0.46% 1,400,000 SH
38 AMICUS THERAPEUTIC FOLD 03152W109 $22.3M 0.45% 1,543,000 SH
39 IDEA ACQUISITION CORP IACOU G4727U126 $22.3M 0.45% 2,250,000 SH
40 KOCHAV DEFENSE ACQUI CO KCHV G5304D106 $22.0M 0.44% 2,150,100 SH
41 XERIS BIOPHARMA HOLDINGS INC XERS 98422EAB9 $21.5M 0.43% 10,500,000 PRN
42 FLAGSTAR BANK NATIONAL ASSOC FLG 649445400 $21.4M 0.43% 1,626,388 SH
43 CANADIAN NATL RY CO CNI 136375102 $21.1M 0.42% 205,400 SH
44 COTERRA ENERGY INC CTRA 127097103 $20.8M 0.42% 592,574 SH
45 CHURCHILL CAP CORP XI CCXI G2131A108 $20.3M 0.41% 2,000,000 SH
46 BANC OF CALIFORNIA INC BANC 05990K106 $19.8M 0.40% 1,127,558 SH
47 OXFORD LANE CAP CORP OXLC 691543847 $19.6M 0.39% 2,000,000 SH
48 STELLAR BANCORP INC STEL 858927106 $19.5M 0.39% 532,000 SH
49 S&P GLOBAL INC SPGI 78409V104 $18.0M 0.36% 42,300 SH
50 ARISTA NETWORKS INC ANET 040413205 $17.6M 0.35% 143,485 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-15 $5.01B 691 0001326389-26-000039
2025-12-31 2026-02-17 $7.88B 676 0001326389-26-000033
2025-09-30 2025-12-01 $8.90B 668 0001326389-25-000282