Vault-13

HORIZON THERAPEUTICS PUB L HZNP

SHS · Common Stock · CUSIP G46188101

552 institutional holders -59 vs Q4 2022
208,062,843208.1m shares reported held*
$22.8bnreported value*
80 new 178 added 216 reduced 128 sold out net bought ≈ $67.1m (-213.2k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($32.5m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $109.57. Options: 21 managers hold calls ($277.6m notional), 35 hold puts ($892.2m).

Trends to Q1 2023

Institutional holders

Managers reporting a position, each quarter

0250500750Q3 22: 528Q4 22: 611Q1 23: 552552Q3 22Q4 22Q1 23
Numbers
QuarterHolders
Q3 2022528
Q4 2022611
Q1 2023552

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
4000400Q4 22: 294 bought or addedQ4 22: 332 cut or sold outQ4 22Q1 23: 258 bought or addedQ1 23: 344 cut or sold outQ1 23
Numbers
QuarterBought or addedCut or sold out
Q4 2022294332
Q1 2023258344

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$500m$1bn$1.5bnQ3 22 calls: $91.2mQ3 22 puts: $41.4mQ3 22P/C 0.45Q4 22 calls: $941.4mQ4 22 puts: $1.3bnQ4 22P/C 1.38Q1 23 calls: $277.6mQ1 23 puts: $892.2mQ1 23P/C 3.21
Numbers
QuarterCallsPutsP/C
Q3 2022$91.2m$41.4m0.45
Q4 2022$941.4m$1.3bn1.38
Q1 2023$277.6m$892.2m3.21

Biggest buyers

CITADEL ADVISORS LLC Added +2,712,069+2.7m
Pentwater Capital Management LP Added +2,560,344+2.6m
Hudson Bay Capital Management LP Added +2,240,301+2.2m
D. E. Shaw & Co., Inc. Added +2,145,248+2.1m
NORGES BANK Added +2,021,238+2.0m
Davidson Kempner Capital Management LP Added +1,924,861+1.9m
MILLENNIUM MANAGEMENT LLC Added +1,781,718+1.8m
FARALLON CAPITAL MANAGEMENT, L.L.C. Added +1,724,900+1.7m
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) Added +1,706,942+1.7m
RENAISSANCE TECHNOLOGIES LLC Added +1,693,400+1.7m

Biggest sellers

Capital International Investors Reduced -7,702,586-7.7m
JPMORGAN CHASE & CO Reduced -5,762,118-5.8m
Nuveen Asset Management, LLC Reduced -2,921,685-2.9m
JANUS HENDERSON GROUP PLC Reduced -2,211,373-2.2m
AMERIPRISE FINANCIAL INC Reduced -1,774,419-1.8m
Aberdeen Group plc Reduced -1,684,822-1.7m
CONGRESS ASSET MANAGEMENT CO Reduced -1,253,712-1.3m
T. Rowe Price Investment Management, Inc. Reduced -1,020,548-1.0m
BAKER BROS. ADVISORS LP Sold out -969,727-969.7k
PERCEPTIVE ADVISORS LLC Sold out -960,000-960.0k

Biggest calls

SOROS FUND MANAGEMENT LLC New $138.9m1.3m shares
Maven Securities LTD Reduced $36.8m336.8k shares
Walleye Trading LLC Added $31.2m285.9k shares
JANE STREET GROUP, LLC Reduced $20.5m187.5k shares
NOMURA HOLDINGS INC Reduced $10.9m100.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $9.5m87.3k shares
GROUP ONE TRADING LLC Reduced $8.7m80.1k shares
SUMMIT SECURITIES GROUP LLC Reduced $8.6m78.8k shares
MILLENNIUM MANAGEMENT LLC Reduced $6.1m55.5k shares
CITADEL ADVISORS LLC Reduced $2.5m22.5k shares

Biggest puts

Maven Securities LTD Added $165.0m1.5m shares
Pentwater Capital Management LP Reduced $152.8m1.4m shares
Balyasny Asset Management L.P. Reduced $133.9m1.2m shares
Walleye Trading LLC Added $68.0m622.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $62.3m570.7k shares
MILLENNIUM MANAGEMENT LLC Added $51.9m475.4k shares
Caption Management, LLC Reduced $41.2m377.5k shares
P SCHOENFELD ASSET MANAGEMENT LP Reduced $32.7m300.0k shares
Brookfield Corp /ON/ Added $31.1m285.0k shares
GROUP ONE TRADING LLC Added $29.2m267.4k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Holders, Q1 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.06% of their portfolio Valley Forge, PA 21,553,23321.6m $2.4bn $2.4bn 0.06% Added +317.1k +317,130
2 BlackRock Inc. 0.05% of their portfolio New York, NY 14,934,48814.9m $1.6bn $1.6bn 0.05% Added +139.7k +139,677
3 Avoro Capital Advisors LLC 11.34% of their portfolio NEW YORK, NY 7,000,0007.0m $764.0m $764.0m 11.34% Unchanged
4 Pentwater Capital Management LP 11.05% of their portfolio Naples, FL 6,100,0006.1m $665.8m $665.8m 11.05% Added +2.6m +2,560,344
5 HBK INVESTMENTS L P 23.35% of their portfolio DALLAS, TX 5,900,0005.9m $643.9m $643.9m 23.35% Added +1.3m +1,324,000
6 JPMORGAN CHASE & CO 0.08% of their portfolio NEW YORK, NY 5,486,7715.5m $598.8m $598.8m 0.08% Reduced -5.8m -5,762,118
7 FARALLON CAPITAL MANAGEMENT, L.L.C. 3.59% of their portfolio SAN FRANCISCO, CA 5,419,8235.4m $591.5m $591.5m 3.59% Added +1.7m +1,724,900
8 STATE STREET CORP 0.03% of their portfolio BOSTON, MA 5,121,8335.1m $559.0m $559.0m 0.03% Reduced -174.5k -174,485
9 Davidson Kempner Capital Management LP 10.20% of their portfolio New York, NY 4,478,5144.5m $489.0m $489.0m 10.20% Added +1.9m +1,924,861
10 MILLENNIUM MANAGEMENT LLC 0.55% of their portfolio NEW YORK, NY 4,307,7544.3m $470.1m $470.1m 0.55% Added +1.8m +1,781,718
11 NORGES BANK 0.10% of their portfolio OSLO, Q8 4,216,1264.2m $460.1m $460.1m 0.10% Added +2.0m +2,021,238
12 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 10.37% of their portfolio CHICAGO, IL 3,992,7324.0m $434.5m $434.5m 10.37% Added +1.7m +1,706,942
13 CITADEL ADVISORS LLC 0.47% of their portfolio MIAMI, FL 3,978,0094.0m $434.2m $434.2m 0.47% Added +2.7m +2,712,069
14 RENAISSANCE TECHNOLOGIES LLC 0.49% of their portfolio NEW YORK, NY 3,368,4493.4m $367.6m $367.6m 0.49% Added +1.7m +1,693,400
15 SOROS FUND MANAGEMENT LLC 6.83% of their portfolio NEW YORK, NY 3,291,8013.3m $359.3m $359.3m 6.83% Added +433.3k +433,300
16 GEODE CAPITAL MANAGEMENT, LLC 0.04% of their portfolio BOSTON, MA 3,179,0533.2m $346.5m $346.5m 0.04% Added +105.3k +105,252
17 T. Rowe Price Investment Management, Inc. 0.24% of their portfolio BALTIMORE, MD 3,029,7113.0m $330.7m $330.7m 0.24% Reduced -1.0m -1,020,548
18 FIL Ltd 0.37% of their portfolio HAMILTON, D0 2,967,0843.0m $323.8m $323.8m 0.37% Added +159.2k +159,156
19 Hudson Bay Capital Management LP 1.90% of their portfolio STAMFORD, CT 2,957,6573.0m $322.8m $322.8m 1.90% Added +2.2m +2,240,301
20 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.63% of their portfolio Boston, MA 2,558,9122.6m $279.3m $279.3m 0.63% Added +1.0m +1,015,212
21 BANK OF AMERICA CORP /DE/ 0.03% of their portfolio CHARLOTTE, NC 2,383,5952.4m $260.1m $260.1m 0.03% Added +877.1k +877,096
22 D. E. Shaw & Co., Inc. 0.39% of their portfolio New York, NY 2,225,3382.2m $242.9m $242.9m 0.39% Added +2.1m +2,145,248
23 PSquared Asset Management AG 34.42% of their portfolio ZURICH, V8 2,190,8452.2m $239.3m $239.3m 34.42% Added +587.1k +587,145
24 FRANKLIN RESOURCES INC 0.12% of their portfolio San Mateo, CA 2,178,9322.2m $237.8m $237.8m 0.12% Added +1.0m +1,011,135
25 STRS OHIO 0.36% of their portfolio COLUMBUS, OH 2,146,7432.1m $234.3m $234.3m 0.36% Added +1.4m +1,443,243
26 Bank of New York Mellon Corp 0.05% of their portfolio NEW YORK, NY 2,126,5732.1m $232.1m $232.1m 0.05% Reduced -669.2k -669,180
27 MORGAN STANLEY 0.02% of their portfolio NEW YORK, NY 2,120,0142.1m $231.4m $231.4m 0.02% Added +618.6k +618,630
28 TIG Advisors, LLC 17.91% of their portfolio New York, NY 2,105,8312.1m $229.8m $229.8m 17.91% Added +376.4k +376,443
29 Westchester Capital Management, LLC 7.11% of their portfolio VALHALLA, NY 2,043,0022.0m $223.0m $223.0m 7.11% Added +790.0k +789,958
30 DEUTSCHE BANK AG\ 0.12% of their portfolio FRANKFURT AM MAIN, 2M 1,987,0532.0m $216.9m $216.9m 0.12% Reduced -74.1k -74,090
31 JANUS HENDERSON GROUP PLC 0.13% of their portfolio LONDON, X0 1,738,1461.7m $189.7m $189.7m 0.13% Reduced -2.2m -2,211,373
32 Nuveen Asset Management, LLC 0.07% of their portfolio CHICAGO, IL 1,736,9581.7m $189.6m $189.6m 0.07% Reduced -2.9m -2,921,685
33 Capital International Investors 0.04% of their portfolio Los Angeles, CA 1,602,2291.6m $174.9m $174.9m 0.04% Reduced -7.7m -7,702,586
34 BARCLAYS PLC 0.18% of their portfolio LONDON, X0 1,547,2441.5m $168.9m $168.9m 0.18% Added +789.4k +789,395
35 NORTHERN TRUST CORP 0.03% of their portfolio CHICAGO, IL 1,522,3651.5m $166.2m $166.2m 0.03% Reduced -45.5k -45,452
36 ALPINE ASSOCIATES MANAGEMENT INC. 7.34% of their portfolio PALM BEACH, FL 1,259,8001.3m $137.5m $137.5m 7.34% Added +121.1k +121,100
37 KRYGER CAPITAL Ltd 23.73% of their portfolio LONDON, X0 1,244,9981.2m $135.9m $135.9m 23.73% Added +159.0k +159,019
38 Melqart Asset Management (UK) Ltd 9.66% of their portfolio London, X0 1,185,9231.2m $129.4m $129.4m 9.66% Added +459.8k +459,839
39 Kynam Capital Management, LP 15.46% of their portfolio PRINCETON, NJ 1,094,6201.1m $119.5m $119.5m 15.46% Reduced -5.4k -5,380
40 PFM Health Sciences, LP 5.49% of their portfolio SAN FRANCISCO, CA 1,091,8401.1m $119.2m $119.2m 5.49% Unchanged
41 Swedbank AB 0.24% of their portfolio STOCKHOLM, V7 1,091,0941.1m $119.1m $119.1m 0.24% Reduced -17.2k -17,200
42 TUDOR INVESTMENT CORP ET AL 2.23% of their portfolio STAMFORD, CT 1,078,1451.1m $117.7m $117.7m 2.23% Added +429.5k +429,473
43 Taconic Capital Advisors LP 7.10% of their portfolio NEW YORK, NY 1,053,0001.1m $114.9m $114.9m 7.10% Added +513.0k +513,000
44 P SCHOENFELD ASSET MANAGEMENT LP 11.82% of their portfolio NEW YORK, NY 1,028,4801.0m $112.2m $112.2m 11.82% Added +88.5k +88,480
45 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.05% of their portfolio NEW YORK, NY 1,027,7061.0m $112.2m $112.2m 0.05% Added +20.5k +20,476
46 DIMENSIONAL FUND ADVISORS LP 0.04% of their portfolio AUSTIN, TX 1,011,6591.0m $110.4m $110.4m 0.04% Added +3.4k +3,434
47 PAULSON & CO. INC. 9.07% of their portfolio JERSEY CITY, NJ 1,000,0001.0m $109.1m $109.1m 9.07% Reduced -500.0k -500,000
48 MONTANOVA CAPITAL, LLC 5.13% of their portfolio New York, NY 973,755973.8k $106.3m $106.3m 5.13% Added +99.5k +99,464
49 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.03% of their portfolio SAN FRANCISCO, CA 930,527930.5k $101.6m $101.6m 0.03% Added +20.9k +20,930
50 BANK OF NOVA SCOTIA 0.29% of their portfolio TORONTO, A6 902,310902.3k $98.5m $98.5m 0.29% Added +684.2k +684,167
51 Verition Fund Management LLC 1.54% of their portfolio GREENWICH, CT 885,196885.2k $96.6m $96.6m 1.54% Added +479.4k +479,372
52 PICTET ASSET MANAGEMENT SA 0.12% of their portfolio GENEVA 73, V8 868,045868.0k $94.7m $94.7m 0.12% Reduced -699.2k -699,173
53 Balyasny Asset Management L.P. 0.31% of their portfolio Chicago, IL 862,406862.4k $94.1m $94.1m 0.31% Reduced -741.4k -741,412
54 Swiss National Bank 0.06% of their portfolio ZURICH, V8 854,356854.4k $93.2m $93.2m 0.06% Reduced -35.2k -35,200
55 Carlson Capital, L.P. 8.48% of their portfolio DALLAS, TX 826,000826.0k $90.1m $90.1m 8.48% Added +71.0k +71,000
56 BANK OF MONTREAL /CAN/ 0.04% of their portfolio TORONTO, A6 823,397823.4k $90.3m $90.3m 0.04% Added +5.1k +5,123
57 Sand Grove Capital Management LLP 13.80% of their portfolio LONDON, X0 822,111822.1k $89.7m $89.7m 13.80% Added +482.5k +482,462
58 Eversept Partners, LP 8.40% of their portfolio NEW YORK, NY 819,124819.1k $89.4m $89.4m 8.40% Reduced -245.3k -245,322
59 Man Group plc 0.32% of their portfolio LONDON, X0 812,381812.4k $88.7m $88.7m 0.32% New
60 LMR Partners LLP 1.62% of their portfolio LONDON, X0 806,206806.2k $88.0m $88.0m 1.62% Added +683.5k +683,491
61 EVENTIDE ASSET MANAGEMENT, LLC 1.60% of their portfolio Boston, MA 800,451800.5k $87.4m $87.4m 1.60% Reduced -195.7k -195,749
62 Samson Rock Capital LLP 44.80% of their portfolio LONDON, X0 800,000800.0k $87.3m $87.3m 44.80% Added +550.0k +550,000
63 Rock Springs Capital Management LP 1.93% of their portfolio Baltimore, MD 740,100740.1k $80.8m $80.8m 1.93% Added +400 +400
64 Magnetar Financial LLC 1.57% of their portfolio EVANSTON, IL 735,453735.5k $80.3m $80.3m 1.57% Reduced -47.6k -47,612
65 Empyrean Capital Partners, LP 2.98% of their portfolio LOS ANGELES, CA 672,000672.0k $73.3m $73.3m 2.98% Added +377.0k +377,000
66 Laurion Capital Management LP 3.28% of their portfolio NEW YORK, NY 666,036666.0k $72.7m $72.7m 3.28% New
67 Qube Research & Technologies Ltd 0.42% of their portfolio LONDON, X0 665,785665.8k $72.7m $72.7m 0.42% New
68 Clearbridge Investments, LLC 0.07% of their portfolio NEW YORK, NY 664,714664.7k $72.5m $72.5m 0.07% Reduced -484.5k -484,516
69 NEXPOINT ASSET MANAGEMENT, L.P. 7.63% of their portfolio Dallas, TX 645,298645.3k $70.4m $70.4m 7.63% Added +133.0k +133,000
70 Sumitomo Mitsui Trust Group, Inc. 0.05% of their portfolio CHIYODA-KU, TOKYO, M0 631,868631.9k $69.0m $69.0m 0.05% Reduced -19.6k -19,621
71 Polaris Capital Management, LLC 2.42% of their portfolio BOSTON, MA 593,900593.9k $64.8m $64.8m 2.42% Reduced -3.0k -3,000
72 AQR Arbitrage LLC 1.95% of their portfolio Greenwich, CT 584,621584.6k $63.8m $63.8m 1.95% Added +59.1k +59,091
73 WATER ISLAND CAPITAL LLC 5.05% of their portfolio NEW YORK, NY 570,608570.6k $62.3m $62.3m 5.05% Added +144.6k +144,588
74 First Trust Capital Management L.P. 2.68% of their portfolio CHICAGO, IL 569,679569.7k $62.2m $62.2m 2.68% Added +194.1k +194,086
75 Boussard & Gavaudan Investment Management LLP 5.79% of their portfolio London, X0 563,706563.7k $61.4m $61.4m 5.79% New
76 Nekton Capital Ltd. 9.43% of their portfolio LONDON, X0 517,755517.8k $56.5m $56.5m 9.43% Added +246.8k +246,840
77 Sculptor Capital LP 1.37% of their portfolio New York, NY 502,273502.3k $54.8m $54.8m 1.37% New
78 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 489,505489.5k $53.4m $53.4m 0.01% Reduced -343.4k -343,409
79 PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio BALTIMORE, MD 480,003480.0k $52.4m $52.4m 0.01% Reduced -155.1k -155,052
80 GABELLI FUNDS LLC 0.38% of their portfolio Rye, NY 463,294463.3k $50.6m $50.6m 0.38% Added +241.3k +241,294
81 Governors Lane LP 7.29% of their portfolio NEW YORK, NY 451,800451.8k $49.3m $49.3m 7.29% Added +298.0k +298,000
82 ALLIANCEBERNSTEIN L.P. 0.02% of their portfolio NASHVILLE, TN 451,155451.2k $49.2m $49.2m 0.02% Reduced -15.6k -15,552
83 Berry Street Capital Management LLP 16.75% of their portfolio LONDON, X0 437,500437.5k $47.7m $47.7m 16.75% Added +250.0k +250,000
84 Brandywine Global Investment Management, LLC 0.19% of their portfolio PHILADELPHIA, PA 437,298437.3k $47.7m $47.7m 0.19% Reduced -91.7k -91,695
85 California Public Employees Retirement System 0.04% of their portfolio Sacramento, CA 432,552432.6k $47.2m $47.2m 0.04% Reduced -68.2k -68,154
86 APG Asset Management N.V. 0.09% of their portfolio Amsterdam, P7 417,956418.0k $42.0m $42.0m 0.09% Reduced -62.5k -62,517
87 C WorldWide Group Holding A/S 0.62% of their portfolio COPENHAGEN, G7 411,544411.5k $44.9m $44.9m 0.62% Unchanged
88 Russell Investments Group, Ltd. 0.09% of their portfolio Seattle, WA 411,319411.3k $44.9m $44.9m 0.09% Reduced -58.3k -58,256
89 PICTON MAHONEY ASSET MANAGEMENT 2.27% of their portfolio Toronto, A6 410,000410.0k $44.7m $44.7m 2.27% Added +140.0k +140,000
90 Sofinnova Investments, Inc. 3.03% of their portfolio Menlo Park, CA 408,819408.8k $44.6m $44.6m 3.03% Reduced -4.4k -4,354
91 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 406,834406.8k $44.4m $44.4m 0.01% Reduced -157.8k -157,844
92 MARSHALL WACE, LLP 0.11% of their portfolio LONDON, X0 400,321400.3k $43.7m $43.7m 0.11% Reduced -67.0k -66,970
93 Twin Securities, Inc. 22.90% of their portfolio New York, NY 380,201380.2k $41.5m $41.5m 22.90% Added +113.4k +113,412
94 CREDIT SUISSE AG/ 0.04% of their portfolio ZURICH, V8 374,293374.3k $40.9m $40.9m 0.04% Added +11.7k +11,707
95 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.06% of their portfolio WEST SACRAMENTO, CA 366,245366.2k $40.0m $40.0m 0.06% Added +992 +992
96 Woodline Partners LP 0.56% of their portfolio San Francisco, CA 364,734364.7k $39.8m $39.8m 0.56% Added +67.0k +66,985
97 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.06% of their portfolio BALA CYNWYD, PA 354,554354.6k $38.7m $38.7m 0.06% Reduced -346.8k -346,811
98 STATE OF WISCONSIN INVESTMENT BOARD 0.12% of their portfolio MADISON, WI 354,225354.2k $38.7m $38.7m 0.12% Added +180.5k +180,516
99 FMR LLC 0.00% of their portfolio BOSTON, MA 350,046350.0k $38.2m $38.2m 0.00% Added +193.1k +193,140
100 NEUBERGER BERMAN GROUP LLC 0.03% of their portfolio NEW YORK, NY 331,324331.3k $36.2m $36.2m 0.03% Reduced -368.8k -368,842