Vault-13

DIAMOND OFFSHORE DRILLING IN DO

COM · Common Stock · CUSIP 25271C201 · ISIN US25271C2017

185 institutional holders +1 vs Q1 2024
94,586,63094.6m shares reported held*
$1.5bnreported value*
43 new 63 added 47 reduced 42 sold out net sold ≈ $76.9m (-5.1m 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. Holder counts are more reliable. Implied quarter-end price ≈ $15.49. Options: 12 managers hold calls ($29.6m notional), 11 hold puts ($17.2m).

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 127Q4 22: 138Q1 23: 147Q2 23: 160Q3 23: 189Q4 23: 186Q1 24: 184Q2 24: 185185Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 2022127
Q4 2022138
Q1 2023147
Q2 2023160
Q3 2023189
Q4 2023186
Q1 2024184
Q2 2024185

Buyers vs sellers

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

Bought or addedCut or sold out
2000200Q4 22: 70 bought or addedQ4 22: 51 cut or sold outQ4 22Q1 23: 82 bought or addedQ1 23: 70 cut or sold outQ2 23: 78 bought or addedQ2 23: 63 cut or sold outQ2 23Q3 23: 112 bought or addedQ3 23: 63 cut or sold outQ4 23: 90 bought or addedQ4 23: 97 cut or sold outQ4 23Q1 24: 91 bought or addedQ1 24: 97 cut or sold outQ2 24: 106 bought or addedQ2 24: 89 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 20227051
Q1 20238270
Q2 20237863
Q3 202311263
Q4 20239097
Q1 20249197
Q2 202410689

Calls vs puts

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

CallsPuts
$0$10m$20m$30m$40mQ3 23 calls: $11.8mQ3 23 puts: $2.8mQ3 23P/C 0.24Q4 23 calls: $10.7mQ4 23 puts: $1.5mQ4 23P/C 0.14Q1 24 calls: $37.2mQ1 24 puts: $4.6mQ1 24P/C 0.12Q2 24 calls: $29.6mQ2 24 puts: $17.2mQ2 24P/C 0.58
Numbers
QuarterCallsPutsP/C
Q3 2023$11.8m$2.8m0.24
Q4 2023$10.7m$1.5m0.14
Q1 2024$37.2m$4.6m0.12
Q2 2024$29.6m$17.2m0.58

Biggest buyers

Magnetar Financial LLC New +3,319,173+3.3m
Balyasny Asset Management L.P. Added +2,199,966+2.2m
AQR Arbitrage LLC New +1,608,694+1.6m
GLAZER CAPITAL, LLC New +956,787+956.8k
Qube Research & Technologies Ltd Added +945,931+945.9k
DIMENSIONAL FUND ADVISORS LP New +887,925+887.9k
Calamos Advisors LLC New +788,600+788.6k
WATER ISLAND CAPITAL LLC New +711,264+711.3k
Aventail Capital Group, LP Added +662,245+662.2k
Grantham, Mayo, Van Otterloo & Co. LLC New +633,235+633.2k

Biggest sellers

MORGAN STANLEY Reduced -3,087,804-3.1m
COOPER CREEK PARTNERS MANAGEMENT LLC Sold out -2,469,205-2.5m
WELLINGTON MANAGEMENT GROUP LLP Reduced -2,360,939-2.4m
MARSHALL WACE, LLP Reduced -1,815,617-1.8m
ExodusPoint Capital Management, LP Sold out -1,437,215-1.4m
ADAGE CAPITAL PARTNERS GP, L.L.C. Reduced -1,311,000-1.3m
NEUBERGER BERMAN GROUP LLC Reduced -1,171,233-1.2m
Contrarius Investment Management Ltd Reduced -1,085,964-1.1m
SHENKMAN CAPITAL MANAGEMENT INC Reduced -1,061,358-1.1m
Assenagon Asset Management S.A. Reduced -1,027,597-1.0m

Biggest calls

NOMURA HOLDINGS INC Added $9.0m578.2k shares
CITADEL ADVISORS LLC Reduced $6.9m447.8k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $3.8m245.7k shares
UBS Group AG Unchanged $3.1m200.0k shares
GROUP ONE TRADING LLC Reduced $2.0m128.3k shares
JANE STREET GROUP, LLC Added $1.8m115.9k shares
SIMPLEX TRADING, LLC Reduced $1.4m89.9k shares
WOLVERINE TRADING, LLC Reduced $545.2k35.2k shares
PEAK6 Investments LLC New $540.6k34.9k shares
Walleye Capital LLC New $441.5k28.5k shares

Biggest puts

SIMPLEX TRADING, LLC Added $3.3m216.2k shares
UBS Group AG Unchanged $3.1m200.0k shares
CITADEL ADVISORS LLC Added $2.9m190.0k shares
JPMORGAN CHASE & CO New $2.1m132.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $1.9m122.0k shares
JANE STREET GROUP, LLC New $1.6m103.9k shares
Walleye Capital LLC New $1.1m74.1k shares
GROUP ONE TRADING LLC Added $958.8k61.9k shares
WOLVERINE TRADING, LLC New $164.2k10.6k shares
PEAK6 Investments LLC Reduced $13.9k900 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, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 KGH Ltd 7.96% of their portfolio NASSAU, C5 8,381,0008.4m $129.8m $129.8m 7.96% Unchanged
2 BlackRock Inc. 0.00% of their portfolio New York, NY 8,112,8388.1m $125.7m $125.7m 0.00% Added +49.3k +49,346
3 Capital Research Global Investors 0.02% of their portfolio Los Angeles, CA 6,945,2506.9m $107.6m $107.6m 0.02% Unchanged
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 6,258,4116.3m $96.9m $96.9m 0.00% Added +246.9k +246,857
5 Balyasny Asset Management L.P. 0.20% of their portfolio Chicago, IL 4,928,0334.9m $76.3m $76.3m 0.20% Added +2.2m +2,199,966
6 Nuveen Asset Management, LLC 0.02% of their portfolio CHICAGO, IL 3,628,7393.6m $56.2m $56.2m 0.02% Added +399.8k +399,814
7 Magnetar Financial LLC 1.07% of their portfolio EVANSTON, IL 3,319,1733.3m $51.4m $51.4m 1.07% New
8 VICTORY CAPITAL MANAGEMENT INC 0.05% of their portfolio San Antonio, TX 3,262,9603.3m $50.5m $50.5m 0.05% Added +6.0k +6,004
9 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 2,858,0472.9m $44.3m $44.3m 0.00% Reduced -119.3k -119,298
10 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 2,330,2842.3m $36.1m $36.1m 0.00% Added +73.8k +73,817
11 MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio NEW YORK, NY 1,878,1881.9m $29.1m $29.1m 0.02% Reduced -990.1k -990,075
12 STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.03% of their portfolio BLOOMINGTON, IL 1,825,9221.8m $28.3m $28.3m 0.03% Unchanged
13 WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio Boston, MA 1,816,1591.8m $28.1m $28.1m 0.01% Reduced -2.4m -2,360,939
14 AQR Arbitrage LLC 0.65% of their portfolio Greenwich, CT 1,608,6941.6m $24.9m $24.9m 0.65% New
15 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,536,1621.5m $23.8m $23.8m 0.00% Reduced -3.1m -3,087,804
16 EDMOND DE ROTHSCHILD HOLDING S.A. 0.39% of their portfolio CHAMBESY, V8 1,475,0001.5m $22.8m $22.8m 0.39% Reduced -575.0k -575,000
17 Webs Creek Capital Management LP 7.51% of their portfolio DALLAS, TX 1,429,0361.4m $22.1m $22.1m 7.51% Reduced -281.5k -281,522
18 SHENKMAN CAPITAL MANAGEMENT INC 1.60% of their portfolio NEW YORK, NY 1,219,6171.2m $18.6m $18.6m 1.60% Reduced -1.1m -1,061,358
19 Qube Research & Technologies Ltd 0.03% of their portfolio LONDON, X0 1,212,5461.2m $18.8m $18.8m 0.03% Added +945.9k +945,931
20 Aventail Capital Group, LP 1.22% of their portfolio NEW YORK, NY 1,130,6021.1m $17.5m $17.5m 1.22% Added +662.2k +662,245
21 FRANKLIN RESOURCES INC 0.01% of their portfolio San Mateo, CA 1,080,2871.1m $16.7m $16.7m 0.01% Added +283.2k +283,212
22 NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio NEW YORK, NY 1,063,4641.1m $16.5m $16.5m 0.01% Reduced -1.2m -1,171,233
23 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 1,033,9431.0m $16.0m $16.0m 0.00% Reduced -38.8k -38,848
24 GLAZER CAPITAL, LLC 1.15% of their portfolio New York, NY 956,787956.8k $14.8m $14.8m 1.15% New
25 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.03% of their portfolio Boston, MA 943,106943.1k $14.6m $14.6m 0.03% Reduced -1.3m -1,311,000
26 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.41% of their portfolio CHICAGO, IL 925,000925.0k $14.3m $14.3m 0.41% Not comparable
27 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 887,925887.9k $13.8m $13.8m 0.00% New
28 PRIVATE MANAGEMENT GROUP INC 0.53% of their portfolio IRVINE, CA 885,254885.3k $13.7m $13.7m 0.53% Reduced -4.9k -4,919
29 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 871,309871.3k $13.5m $13.5m 0.00% Reduced -33.0k -33,042
30 Goehring & Rozencwajg Associates, LLC 2.65% of their portfolio NEW YORK, NY 862,274862.3k $13.4m $13.4m 2.65% Added +124.1k +124,100
31 Calamos Advisors LLC 0.06% of their portfolio NAPERVILLE, IL 788,600788.6k $12.2m $12.2m 0.06% New
32 WATER ISLAND CAPITAL LLC 1.16% of their portfolio NEW YORK, NY 711,264711.3k $11.0m $11.0m 1.16% New
33 Hosking Partners LLP 0.40% of their portfolio LONDON, X0 705,542705.5k $10.9m $10.9m 0.40% Reduced -48.4k -48,360
34 Contrarius Investment Management Ltd 0.64% of their portfolio St. Helier, Y9 656,845656.8k $10.2m $10.2m 0.64% Reduced -1.1m -1,085,964
35 SIR Capital Management, L.P. 0.99% of their portfolio NEW YORK, NY 641,079641.1k $9.9m $9.9m 0.99% Reduced -388.5k -388,538
36 Grantham, Mayo, Van Otterloo & Co. LLC 0.03% of their portfolio Boston, MA 633,235633.2k $9.8m $9.8m 0.03% New
37 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 630,226630.2k $9.8m $9.8m 0.00% Reduced -96.7k -96,660
38 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 587,886587.9k $9.1m $9.1m 0.00% Added +334.5k +334,526
39 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 565,511565.5k $8.8m $8.8m 0.00% Added +132.5k +132,458
40 Rockefeller Capital Management L.P. 0.02% of their portfolio NEW YORK, NY 562,428562.4k $8.7m $8.7m 0.02% Unchanged
41 CITIGROUP INC 0.01% of their portfolio NEW YORK, NY 520,040520.0k $8.1m $8.1m 0.01% Added +498.6k +498,559
42 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 485,481485.5k $7.5m $7.5m 0.00% Added +333.9k +333,904
43 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 455,173455.2k $7.1m $7.1m 0.00% Added +219.5k +219,533
44 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 427,724427.7k $6.6m $6.6m 0.00% Added +102.3k +102,298
45 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 417,346417.3k $6.5m $6.5m 0.00% Added +24.5k +24,526
46 De Lisle Partners LLP 1.35% of their portfolio POOLE, X0 400,000400.0k $6.2m $6.2m 1.35% Added +200.0k +200,000
47 MetLife Investment Management, LLC 0.04% of their portfolio Whippany, NJ 397,141397.1k $6.2m $6.2m 0.04% Added +4.7k +4,665
48 Capital World Investors 0.00% of their portfolio LOS ANGELES, CA 392,012392.0k $6.1m $6.1m 0.00% Unchanged
49 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 358,472358.5k $5.6m $5.6m 0.01% Added +340.4k +340,417
50 Alberta Investment Management Corp 0.06% of their portfolio EDMONTON, A0 350,000350.0k $5.4m $5.4m 0.06% New
51 CenterBook Partners LP 0.33% of their portfolio GREENWICH, CT 341,923341.9k $5.3m $5.3m 0.33% Reduced -193.9k -193,946
52 Kore Advisors LP 3.99% of their portfolio BOYNTON BEACH, FL 325,071325.1k $5.0m $5.0m 3.99% Reduced -66.4k -66,400
53 ALGERT GLOBAL LLC 0.16% of their portfolio SAN FRANCISCO, CA 318,754318.8k $4.9m $4.9m 0.16% Reduced -11.5k -11,521
54 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 309,560309.6k $4.8m $4.8m 0.00% Added +158.8k +158,782
55 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio JUPITER, FL 300,612300.6k $4.7m $4.7m 0.02% Reduced -278.3k -278,258
56 Oppenheimer & Close, LLC 3.60% of their portfolio NEW YORK, NY 265,000265.0k $4.1m $4.1m 3.60% Unchanged
57 JANUS HENDERSON GROUP PLC 0.00% of their portfolio LONDON, X0 263,274263.3k $4.1m $4.1m 0.00% Added +216.1k +216,137
58 Pale Fire Capital SE 0.45% of their portfolio Prague, 2N 254,795254.8k $3.9m $3.9m 0.45% Unchanged
59 GABELLI & Co INVESTMENT ADVISERS, INC. 0.63% of their portfolio Rye, NY 244,631244.6k $3.8m $3.8m 0.63% New
60 STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio MADISON, WI 237,338237.3k $3.7m $3.7m 0.01% Reduced -3.3k -3,291
61 GABELLI FUNDS LLC 0.03% of their portfolio Rye, NY 227,000227.0k $3.5m $3.5m 0.03% Added +214.4k +214,445
62 Thomist Capital Management, LP 1.27% of their portfolio Houston, TX 217,920217.9k $3.5m $3.5m 1.27% New
63 PEAK6 Investments LLC 0.16% of their portfolio CHICAGO, IL 215,771215.8k $3.3m $3.3m 0.16% Added +163.0k +162,964
64 UBS Group AG 0.00% of their portfolio ZURICH, V8 209,993210.0k $3.3m $3.3m 0.00% Added +102.2k +102,162
65 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 208,917208.9k $3.2m $3.2m 0.01% Reduced -533.3k -533,293
66 Swiss National Bank 0.00% of their portfolio ZURICH, V8 201,700201.7k $3.1m $3.1m 0.00% Unchanged
67 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 182,907182.9k $2.8m $2.8m 0.00% Reduced -1.8m -1,815,617
68 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 179,300179.3k $2.8m $2.8m 0.00% New
69 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.06% of their portfolio BALA CYNWYD, PA 171,329171.3k $2.7m $2.7m 0.06% Added +144.2k +144,182
70 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 168,740168.7k $2.6m $2.6m 0.00% Added +4.0k +3,958
71 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 167,629167.6k $2.6m $2.6m 0.00% Added +67.1k +67,147
72 Trexquant Investment LP 0.04% of their portfolio STAMFORD, CT 162,712162.7k $2.5m $2.5m 0.04% Added +65.8k +65,773
73 SIMPLEX TRADING, LLC 0.07% of their portfolio CHICAGO, IL 140,983141.0k $2.2m $2.2m 0.07% Added +81.4k +81,355
74 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 131,234131.2k $2.0m $2.0m 0.00% Added +83.4k +83,425
75 Acuitas Investments, LLC 1.08% of their portfolio Seattle, WA 130,430130.4k $2.0m $2.0m 1.08% Unchanged
76 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 125,115125.1k $1.9m $1.9m 0.00% Added +8.5k +8,479
77 ALPINE ASSOCIATES MANAGEMENT INC. 0.09% of their portfolio PALM BEACH, FL 117,300117.3k $1.8m $1.8m 0.09% New
78 CASTLEARK MANAGEMENT LLC 0.07% of their portfolio CHICAGO, IL 114,380114.4k $1.8m $1.8m 0.07% Unchanged
79 Glenorchy Capital Ltd 1.27% of their portfolio BOOROLITE, C3 111,459111.5k $1.7m $1.7m 1.27% Added +12.5k +12,524
80 Legal & General Group Plc 0.00% of their portfolio London, X0 108,151108.2k $1.7m $1.7m 0.00% Added +1.4k +1,394
81 NOMURA HOLDINGS INC 0.01% of their portfolio TOKYO, M0 105,654105.7k $1.6m $1.6m 0.01% Added +50.2k +50,220
82 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 104,197104.2k $1.6m $1.6m 0.00% New
83 Eisler Capital (US) LLC 0.29% of their portfolio NEW YORK, NY 100,000100.0k $1.5m $1.5m 0.29% New
84 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 99,953100.0k $1.5m $1.5m 0.00% Reduced -2.3k -2,311
85 Walleye Capital LLC 0.02% of their portfolio NEW YORK, NY 99,08799.1k $1.5m $1.5m 0.02% New
86 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.00% of their portfolio TORONTO, A6 98,70698.7k $1.5m $1.5m 0.00% New
87 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 97,32097.3k $1.5m $1.5m 0.00% Reduced -1.2k -1,180
88 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 97,13697.1k $1.5m $1.5m 0.00% Added +3.2k +3,193
89 BCK CAPITAL MANAGEMENT LP 0.93% of their portfolio STAMFORD, CT 93,00093.0k $1.4m $1.4m 0.93% New
90 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 85,12685.1k $1.3m $1.3m 0.00% Reduced -66.5k -66,487
91 PECAUT & CO. 0.50% of their portfolio SIOUX CITY, IA 85,00085.0k $1.3m $1.3m 0.50% Reduced -5.9k -5,900
92 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 85,00085.0k $1.3m $1.3m 0.00% Reduced -13.4k -13,405
93 FMR LLC 0.00% of their portfolio BOSTON, MA 84,00784.0k $1.3m $1.3m 0.00% Reduced -126.9k -126,913
94 Kessler Investment Group, LLC 0.70% of their portfolio COLUMBUS, IN 83,15083.2k $1.3m $1.3m 0.70% Reduced -550 -550
95 COBALT CAPITAL MANAGEMENT, INC. 0.54% of their portfolio SHORT HILLS, NJ 80,00080.0k $1.2m $1.2m 0.54% New
96 Allianz Asset Management GmbH 0.00% of their portfolio MUNICH, 2M 76,30076.3k $1.2m $1.2m 0.00% New
97 ClearAlpha Technologies LP 0.43% of their portfolio Greenwich, CT 69,68369.7k $1.1m $1.1m 0.43% New
98 Schonfeld Strategic Advisors LLC 0.01% of their portfolio NEW YORK, NY 66,25566.3k $1.0m $1.0m 0.01% New
99 Marex Group Ltd 0.02% of their portfolio London, X0 56,40656.4k $873.7k $873.7k 0.02% Reduced -7.5k -7,450
100 Gotham Asset Management, LLC 0.01% of their portfolio NEW YORK, NY 55,10855.1k $853.6k $853.6k 0.01% New