Highview Merger Corp. - HVMC

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
ADAGE CAPITAL PARTNERS GP, L.L.C. History No change 1,800,000 18,090 0.03% 0.03% 1 0 0.0% Q1 2026 May 15, 2026
Alberta Investment Management Corp History No change 1,250,000 12,562 0.08% 0.07% 2 0 0.0% Q1 2026 Apr 28, 2026
AQR Arbitrage LLC History Reduced 1,215,191 12,212 0.2% 0.27% 3 -53,031 -4.18% Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History Added to 1,051,265 10,589 0.0% 0.0% 4 +51,269 5.13% Q1 2026 May 15, 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND History No change 1,000,000 10,050 0.02% 0.02% 5 0 0.0% Q1 2026 May 14, 2026
GLAZER CAPITAL, LLC History Added to 978,249 9,831 0.21% 0.24% 6 +78,229 8.69% Q1 2026 May 14, 2026
Magnetar Financial LLC History Added to 929,293 9,339 0.09% 0.09% 7 +5 0.0% Q1 2026 May 13, 2026
Hudson Bay Capital Management LP History No change 901,878 9,063 0.03% 0.03% 8 0 0.0% Q1 2026 May 13, 2026
LINDEN ADVISORS LP History No change 750,000 7,537 0.04% 0.05% 9 0 0.0% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History No change 632,853 6,360 0.01% 0.01% 10 0 0.0% Q1 2026 May 15, 2026
Radcliffe Capital Management, L.P. History Added to 542,611 5,453 0.41% 0.29% 11 +10,410 1.96% Q1 2026 May 15, 2026
Schonfeld Strategic Advisors LLC History Added to 540,000 5,427 0.04% 0.02% 12 +90,000 20.0% Q1 2026 May 15, 2026
Verition Fund Management LLC History Reduced 536,599 5,392 0.03% 0.02% 13 -84,700 -13.63% Q1 2026 May 15, 2026
TORONTO DOMINION BANK History Added to 500,519 5,030 0.01% 0.0% 14 +325,111 185.35% Q1 2026 May 15, 2026
Shaolin Capital Management LLC History Reduced 500,000 5,025 0.19% 0.19% 17 -100,000 -16.67% Q1 2026 May 15, 2026
Sculptor Capital LP History No change 500,000 5,025 0.05% 0.05% 15 0 0.0% Q1 2026 May 15, 2026
TENOR CAPITAL MANAGEMENT Co., L.P. History No change 500,000 5,025 0.08% 0.07% 16 0 0.0% Q1 2026 May 15, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 453,043 4,553 0.0% 0.0% 18 +54,532 13.68% Q1 2026 May 12, 2026
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS History No change 400,000 4,020 0.02% 0.02% 19 0 0.0% Q1 2026 May 01, 2026
Polar Asset Management Partners Inc. History No change 400,000 4,020 0.08% 0.05% 20 0 0.0% Q1 2026 May 15, 2026
MOORE CAPITAL MANAGEMENT, LP History No change 400,000 4,020 0.08% 0.06% 21 0 0.0% Q1 2026 May 15, 2026
Lineage Point Capital LP History Reduced 399,900 4,018 0.98% 1.52% 22 -100 -0.03% Q1 2026 May 15, 2026
PERISCOPE CAPITAL INC. History Reduced 350,000 3,517 0.39% 0.45% 23 -42,801 -10.9% Q1 2026 May 13, 2026
BERKLEY W R CORP History No change 333,856 3,355 0.18% 0.16% 24 0 0.0% Q1 2026 May 15, 2026
Irenic Capital Management LP History Added to 450,000 3,052 0.2% 0.2% 25 +150,000 50.0% Q1 2026 May 18, 2026
D. E. Shaw & Co., Inc. History No change 250,000 2,575 0.0% 0.0% 26 0 0.0% Q1 2026 May 15, 2026
LMR Partners LLP History No change 250,000 2,542 0.01% 0.0% 27 0 0.0% Q1 2026 May 15, 2026
O'Connor Alternative Investments LLC History New 250,000 2,512 0.22% 30 +250,000 New Q1 2026 May 15, 2026
HBK INVESTMENTS L P History No change 250,000 2,512 0.03% 0.02% 28 0 0.0% Q1 2026 May 15, 2026
First Trust Capital Management L.P. History No change 250,000 2,512 0.13% 0.15% 29 0 0.0% Q1 2026 May 14, 2026
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) History No change 250,000 2,500 0.29% 0.29% 31 0 0.0% Q4 2025 Feb 13, 2026
Clear Street Group Inc. History Reduced 223,020 2,245 0.01% 0.01% 32 -410 -0.18% Q1 2026 May 15, 2026
Bulldog Investors, LLP History No change 219,965 2,210 0.5% 0.49% 33 0 0.0% Q1 2026 May 08, 2026
OMERS ADMINISTRATION Corp History Added to 207,426 2,109 0.01% 0.01% 34 +4,725 2.33% Q1 2026 May 15, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC History Reduced 205,739 2,067 0.1% 0.15% 35 -100,000 -32.71% Q1 2026 May 15, 2026
HGC Investment Management Inc. History No change 200,000 2,034 0.45% 0.43% 36 0 0.0% Q1 2026 May 15, 2026
PICTON MAHONEY ASSET MANAGEMENT History No change 200,000 2,010 0.01% 0.02% 37 0 0.0% Q1 2026 May 13, 2026
Centiva Capital, LP History No change 200,000 2,010 0.01% 0.02% 38 0 0.0% Q1 2026 May 14, 2026
Karpus Management, Inc. History New 197,200 1,981 0.06% 39 +197,200 New Q1 2026 May 14, 2026
MIZUHO SECURITIES USA LLC History Added to 188,688 1,886 0.04% 0.02% 40 +37,854 25.1% Q1 2026 May 11, 2026
ARISTEIA CAPITAL, L.L.C. History No change 187,433 1,883 0.04% 0.04% 41 0 0.0% Q1 2026 May 15, 2026
Westchester Capital Management, LLC History No change 170,299 1,711 0.08% 0.07% 42 0 0.0% Q1 2026 May 15, 2026
CSS LLC/IL History New 167,374 1,682 0.08% 43 +167,374 New Q1 2026 May 15, 2026
JPMORGAN CHASE & CO History Added to 161,946 1,640 0.0% 0.0% 44 +42 0.03% Q1 2026 May 13, 2026
SONA ASSET MANAGEMENT (US) LLC History New 156,076 1,568 0.03% 45 +156,076 New Q1 2026 May 15, 2026
Governors Lane LP History No change 153,935 1,547 0.1% 0.09% 46 0 0.0% Q1 2026 May 15, 2026
Context Capital Management, LLC History No change 150,000 1,507 0.03% 0.04% 47 0 0.0% Q1 2026 May 07, 2026
TIG Advisors, LLC History No change 150,000 1,507 0.07% 0.07% 48 0 0.0% Q1 2026 May 15, 2026
GRITSTONE ASSET MANAGEMENT LLC History No change 127,021 1,276 1.36% 1.21% 49 0 0.0% Q1 2026 May 05, 2026
DLD Asset Management, LP History Added to 153,936 1,021 0.09% 0.07% 50 +53,629 53.46% Q1 2026 May 13, 2026
Calamos Advisors LLC History No change 98,585 1,015 0.0% 0.0% 51 0 0.0% Q1 2026 May 04, 2026
K2 PRINCIPAL FUND, L.P. History New 100,000 1,005 0.07% 54 +100,000 New Q1 2026 May 14, 2026
WHITEBOX ADVISORS LLC History No change 100,000 1,005 0.01% 0.01% 52 0 0.0% Q1 2026 May 15, 2026
METEORA CAPITAL, LLC History No change 100,000 1,005 0.07% 0.08% 53 0 0.0% Q1 2026 May 15, 2026
HRT FINANCIAL LP History No change 50,000 515 0.0% 0.0% 55 0 0.0% Q1 2026 May 14, 2026
HEIGHTS CAPITAL MANAGEMENT, INC History No change 50,000 502 0.14% 0.18% 56 0 0.0% Q1 2026 May 15, 2026
ABC ARBITRAGE SA History No change 35,000 351 0.05% 0.03% 57 0 0.0% Q1 2026 May 04, 2026
Jefferies Financial Group Inc. History No change 287,500 304 0.0% 0.01% 58 0 0.0% Q1 2026 May 07, 2026
CITIGROUP INC History No change 25,000 257 0.0% 0.0% 59 0 0.0% Q1 2026 May 11, 2026
Mint Tower Capital Management B.V. History No change 25,000 251 0.02% 0.03% 60 0 0.0% Q1 2026 May 04, 2026
Rangeley Capital, LLC History No change 20,000 203 0.2% 0.17% 61 0 0.0% Q1 2026 May 15, 2026
PenderFund Capital Management Ltd. History No change 18,000 180 0.03% 0.03% 62 0 0.0% Q1 2026 May 15, 2026
Parallax Volatility Advisers, L.P. History New 16,900 170 0.0% 63 +16,900 New Q1 2026 May 15, 2026
Virtu Financial LLC History Reduced 16,222 163 0.01% 0.01% 64 -8,943 -35.54% Q1 2026 May 14, 2026
UBS Group AG History New 1,000 10 0.0% 65 +1,000 New Q1 2026 May 05, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC History Closed out 0 0 0.03% -500,000 -100.0% Q1 2026 May 15, 2026
STEADFAST CAPITAL MANAGEMENT LP History Closed out 0 0 0.03% -150,000 -100.0% Q1 2026 May 15, 2026
Decagon Asset Management LLP History Closed out 0 0 0.01% -100,000 -100.0% Q1 2026 May 15, 2026
BOOTHBAY FUND MANAGEMENT, LLC History Closed out 0 0 0.0% -25,000 -100.0% Q1 2026 May 15, 2026
MORGAN STANLEY History Added to 69 0 +6 9.52% Q1 2026 May 15, 2026