Vault-13

DIAMOND OFFSHORE DRILLING IN DO

COM · Common Stock · CUSIP 25271C201 · ISIN US25271C2017

186 institutional holders -3 vs Q3 2023
94,256,57494.3m shares reported held*
$1.2bnreported value*
27 new 63 added 57 reduced 40 sold out net bought ≈ $39.1m (+3.0m 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 ($2.9m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $12.99. Options: 9 managers hold calls ($10.7m notional), 6 hold puts ($1.5m).

Trends to Q4 2023

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 127Q4 22: 138Q1 23: 147Q2 23: 160Q3 23: 189Q4 23: 186186Q3 22Q4 22Q1 23Q2 23Q3 23Q4 23
Numbers
QuarterHolders
Q3 2022127
Q4 2022138
Q1 2023147
Q2 2023160
Q3 2023189
Q4 2023186

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 outQ1 23Q2 23: 78 bought or addedQ2 23: 63 cut or sold outQ2 23Q3 23: 112 bought or addedQ3 23: 63 cut or sold outQ3 23Q4 23: 90 bought or addedQ4 23: 97 cut or sold outQ4 23
Numbers
QuarterBought or addedCut or sold out
Q4 20227051
Q1 20238270
Q2 20237863
Q3 202311263
Q4 20239097

Calls vs puts

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

CallsPuts
$0$5m$10m$15mQ1 23 calls: $12.8mQ1 23 puts: $3.1mQ1 23P/C 0.24Q2 23 calls: $10.1mQ2 23 puts: $2.9mQ2 23P/C 0.29Q3 23 calls: $11.8mQ3 23 puts: $2.8mQ3 23P/C 0.24Q4 23 calls: $10.7mQ4 23 puts: $1.5mQ4 23P/C 0.14
Numbers
QuarterCallsPutsP/C
Q1 2023$12.8m$3.1m0.24
Q2 2023$10.1m$2.9m0.29
Q3 2023$11.8m$2.8m0.24
Q4 2023$10.7m$1.5m0.14

Biggest buyers

Capital Research Global Investors Added +2,551,468+2.6m
Orbis Allan Gray Ltd Added +1,660,911+1.7m
MORGAN STANLEY Added +1,487,121+1.5m
EDMOND DE ROTHSCHILD HOLDING S.A. Added +935,000+935.0k
ADAGE CAPITAL PARTNERS GP, L.L.C. Added +925,787+925.8k
SIR Capital Management, L.P. Added +827,627+827.6k
BlackRock Inc. Added +752,559+752.6k
TWO SIGMA INVESTMENTS, LP Added +751,005+751.0k
TWO SIGMA ADVISERS, LP Added +689,200+689.2k
Balyasny Asset Management L.P. Added +615,810+615.8k

Biggest sellers

Contrarius Investment Management Ltd Reduced -3,136,117-3.1m
HIGHLAND PEAK CAPITAL, LLC Sold out -1,634,289-1.6m
Driehaus Capital Management LLC Sold out -993,949-993.9k
AMERIPRISE FINANCIAL INC Sold out -993,036-993.0k
MANUFACTURERS LIFE INSURANCE COMPANY, THE Reduced -712,422-712.4k
PROTECTIVE LIFE CORP Sold out -700,863-700.9k
Forum Private Client Group LLC Sold out -700,863-700.9k
LORD, ABBETT & CO. LLC Sold out -632,800-632.8k
CASTLEARK MANAGEMENT LLC Sold out -486,610-486.6k
MARSHALL WACE, LLP Reduced -417,969-418.0k

Biggest calls

CITADEL ADVISORS LLC Reduced $3.8m291.2k shares
GROUP ONE TRADING LLC Added $2.5m189.8k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $2.0m151.3k shares
SIMPLEX TRADING, LLC Reduced $1.5m115.9k shares
JANE STREET GROUP, LLC Added $468.0k36.0k shares
WOLVERINE TRADING, LLC Reduced $377.0k29.0k shares
Glenorchy Capital Ltd First filing $106.6k8.2k shares
Cutler Group LLC / CA Unchanged $3.0k1.3k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITADEL ADVISORS LLC Reduced $588.9k45.3k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $496.6k38.2k shares
GROUP ONE TRADING LLC Reduced $188.5k14.5k shares
SIMPLEX TRADING, LLC Reduced $140.0k10.8k shares
PEAK6 Investments LLC New $75.4k5.8k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 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, Q4 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.00% of their portfolio New York, NY 8,461,1078.5m $110.0m $110.0m 0.00% Added +752.6k +752,559
2 KGH Ltd 5.14% of their portfolio NASSAU, C5 6,887,8486.9m $89.5m $89.5m 5.14% Added +393.1k +393,089
3 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 5,953,2626.0m $77.4m $77.4m 0.00% Added +200.8k +200,803
4 Capital Research Global Investors 0.02% of their portfolio Los Angeles, CA 5,845,2505.8m $76.0m $76.0m 0.02% Added +2.6m +2,551,468
5 WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio Boston, MA 4,045,8844.0m $52.6m $52.6m 0.01% Reduced -289.6k -289,575
6 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 3,451,6153.5m $44.9m $44.9m 0.01% Added +192.0k +192,007
7 VICTORY CAPITAL MANAGEMENT INC 0.05% of their portfolio San Antonio, TX 3,315,8563.3m $43.1m $43.1m 0.05% Reduced -29.7k -29,697
8 Orbis Allan Gray Ltd 0.27% of their portfolio HamiltoN, D0 3,279,9683.3m $42.6m $42.6m 0.27% Added +1.7m +1,660,911
9 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 3,116,2463.1m $40.5m $40.5m 0.00% Reduced -180.6k -180,604
10 MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio NEW YORK, NY 2,986,8033.0m $38.8m $38.8m 0.04% Added +186.3k +186,310
11 SHENKMAN CAPITAL MANAGEMENT INC 2.09% of their portfolio NEW YORK, NY 2,280,9752.3m $29.2m $29.2m 2.09% Unchanged
12 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 2,260,0062.3m $29.4m $29.4m 0.00% Added +1.5m +1,487,121
13 NEUBERGER BERMAN GROUP LLC 0.03% of their portfolio NEW YORK, NY 2,242,0142.2m $29.1m $29.1m 0.03% Reduced -17.8k -17,804
14 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 2,176,5622.2m $28.3m $28.3m 0.00% Added +101.6k +101,616
15 Contrarius Investment Management Ltd 1.34% of their portfolio St. Helier, Y9 1,918,8941.9m $24.9m $24.9m 1.34% Reduced -3.1m -3,136,117
16 Webs Creek Capital Management LP 11.22% of their portfolio DALLAS, TX 1,875,7341.9m $24.4m $24.4m 11.22% Added +390.7k +390,734
17 Balyasny Asset Management L.P. 0.07% of their portfolio Chicago, IL 1,869,5851.9m $24.3m $24.3m 0.07% Added +615.8k +615,810
18 STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.02% of their portfolio BLOOMINGTON, IL 1,825,9221.8m $23.7m $23.7m 0.02% Unchanged
19 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.05% of their portfolio Boston, MA 1,797,5061.8m $23.4m $23.4m 0.05% Added +925.8k +925,787
20 EDMOND DE ROTHSCHILD HOLDING S.A. 0.41% of their portfolio CHAMBESY, V8 1,760,0001.8m $22.9m $22.9m 0.41% Added +935.0k +935,000
21 FMR LLC 0.00% of their portfolio BOSTON, MA 1,448,8341.4m $18.8m $18.8m 0.00% Reduced -70.3k -70,256
22 TWO SIGMA INVESTMENTS, LP 0.04% of their portfolio NEW YORK, NY 1,166,5521.2m $15.2m $15.2m 0.04% Added +751.0k +751,005
23 MARSHALL WACE, LLP 0.03% of their portfolio LONDON, X0 1,117,3501.1m $14.5m $14.5m 0.03% Reduced -418.0k -417,969
24 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 1,056,9461.1m $13.7m $13.7m 0.00% Added +89.2k +89,243
25 ExodusPoint Capital Management, LP 0.17% of their portfolio NEW YORK, NY 1,032,5951.0m $13.4m $13.4m 0.17% Reduced -189.4k -189,368
26 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 926,399926.4k $12.0m $12.0m 0.00% Added +49.5k +49,470
27 SIR Capital Management, L.P. 1.18% of their portfolio NEW YORK, NY 888,863888.9k $11.6m $11.6m 1.18% Added +827.6k +827,627
28 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.04% of their portfolio JUPITER, FL 820,214820.2k $10.7m $10.7m 0.04% Added +239.5k +239,510
29 PRIVATE MANAGEMENT GROUP INC 0.39% of their portfolio IRVINE, CA 790,329790.3k $10.3m $10.3m 0.39% Added +24.2k +24,222
30 Hosking Partners LLP 0.42% of their portfolio LONDON, X0 756,473756.5k $9.8m $9.8m 0.42% Reduced -55.2k -55,205
31 TWO SIGMA ADVISERS, LP 0.02% of their portfolio NEW YORK, NY 754,100754.1k $9.8m $9.8m 0.02% Added +689.2k +689,200
32 Goehring & Rozencwajg Associates, LLC 2.21% of their portfolio NEW YORK, NY 703,307703.3k $9.1m $9.1m 2.21% Added +22.4k +22,360
33 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 664,549664.5k $8.6m $8.6m 0.00% Added +57.7k +57,715
34 PUTNAM INVESTMENTS LLC 0.01% of their portfolio BOSTON, MA 636,644636.6k $8.3m $8.3m 0.01% Reduced -4.5k -4,546
35 Rockefeller Capital Management L.P. 0.02% of their portfolio NEW YORK, NY 572,718572.7k $7.4m $7.4m 0.02% Reduced -11.4k -11,441
36 CWA Asset Management Group, LLC 0.49% of their portfolio NAPLES, FL 546,199546.2k $7.1m $7.1m 0.49% New
37 LMR Partners LLP 0.17% of their portfolio LONDON, X0 505,568505.6k $6.6m $6.6m 0.17% New
38 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 448,274448.3k $5.8m $5.8m 0.00% Added +307.1k +307,127
39 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 423,533423.5k $5.5m $5.5m 0.00% Added +17.1k +17,089
40 MetLife Investment Management, LLC 0.04% of their portfolio Whippany, NJ 392,476392.5k $5.1m $5.1m 0.04% Unchanged
41 Capital World Investors 0.00% of their portfolio LOS ANGELES, CA 392,012392.0k $5.1m $5.1m 0.00% Unchanged
42 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 390,272390.3k $5.1m $5.1m 0.01% Added +106.3k +106,318
43 Moody Aldrich Partners LLC 0.87% of their portfolio MARBLEHEAD, MA 373,781373.8k $4.9m $4.9m 0.87% Reduced -144.1k -144,126
44 Kore Advisors LP 2.89% of their portfolio BOYNTON BEACH, FL 342,859342.9k $4.5m $4.5m 2.89% First filing
45 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 321,287321.3k $4.2m $4.2m 0.00% Added +264.8k +264,846
46 ALGERT GLOBAL LLC 0.16% of their portfolio SAN FRANCISCO, CA 300,105300.1k $3.9m $3.9m 0.16% Added +94.7k +94,719
47 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 285,251285.3k $3.7m $3.7m 0.00% Added +25.7k +25,742
48 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 277,092277.1k $3.6m $3.6m 0.00% Reduced -30.3k -30,341
49 STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio MADISON, WI 270,105270.1k $3.5m $3.5m 0.01% Reduced -4.9k -4,884
50 Oppenheimer & Close, LLC 3.14% of their portfolio NEW YORK, NY 265,000265.0k $3.4m $3.4m 3.14% Unchanged
51 Pale Fire Capital SE 0.52% of their portfolio Prague, 2N 254,795254.8k $3.3m $3.3m 0.52% Reduced -21.9k -21,900
52 BOKF, NA 0.06% of their portfolio TULSA, OK 250,000250.0k $3.2m $3.2m 0.06% Added +110.0k +110,000
53 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 242,061242.1k $3.1m $3.1m 0.00% Reduced -9.1k -9,065
54 Point72 Asset Management, L.P. 0.01% of their portfolio STAMFORD, CT 233,582233.6k $3.0m $3.0m 0.01% Added +208.8k +208,782
55 LifePro Asset Management 2.17% of their portfolio San Diego, CA 216,187216.2k $2.8m $2.8m 2.17% Added +25.8k +25,823
56 Assenagon Asset Management S.A. 0.01% of their portfolio SENNINGERBERG, N4 213,751213.8k $2.8m $2.8m 0.01% New
57 IAT REINSURANCE CO LTD. 0.50% of their portfolio New York, NY 208,583208.6k $2.7m $2.7m 0.50% Unchanged
58 Swiss National Bank 0.00% of their portfolio ZURICH, V8 201,700201.7k $2.6m $2.6m 0.00% Reduced -21.1k -21,100
59 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 198,769198.8k $2.6m $2.6m 0.01% Added +31.1k +31,092
60 UBS Group AG 0.00% of their portfolio ZURICH, V8 182,861182.9k $2.4m $2.4m 0.00% Added +69.6k +69,629
61 Bridgewater Associates, LP 0.01% of their portfolio Westport, CT 180,630180.6k $2.3m $2.3m 0.01% New
62 MOORE CAPITAL MANAGEMENT, LP 0.06% of their portfolio NEW YORK, NY 176,193176.2k $2.3m $2.3m 0.06% Added +133.4k +133,445
63 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 162,157162.2k $2.1m $2.1m 0.00% Added +113.4k +113,368
64 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 161,735161.7k $2.1m $2.1m 0.00% Reduced -87 -87
65 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 158,846158.8k $2.1m $2.1m 0.00% Reduced -53.3k -53,272
66 Concentric Capital Strategies, LP 0.26% of their portfolio Stamford, CT 155,502155.5k $2.0m $2.0m 0.26% New
67 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 150,778150.8k $2.0m $2.0m 0.00% Added +15.9k +15,885
68 Squarepoint Ops LLC 0.01% of their portfolio NEW YORK, NY 147,232147.2k $1.9m $1.9m 0.01% Added +121.7k +121,654
69 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 146,662146.7k $1.9m $1.9m 0.00% Reduced -38.3k -38,285
70 OnyxPoint Global Management LP 1.25% of their portfolio NEW YORK, NY 144,451144.5k $1.9m $1.9m 1.25% Unchanged
71 Walleye Capital LLC 0.02% of their portfolio NEW YORK, NY 126,935126.9k $1.7m $1.7m 0.02% Reduced -19.5k -19,528
72 Acuitas Investments, LLC 0.86% of their portfolio Seattle, WA 125,592125.6k $1.6m $1.6m 0.86% Reduced -15.6k -15,559
73 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 119,914119.9k $1.6m $1.6m 0.00% Added +28.2k +28,179
74 Cubist Systematic Strategies, LLC 0.02% of their portfolio STAMFORD, CT 117,183117.2k $1.5m $1.5m 0.02% Added +16.7k +16,716
75 Susquehanna Portfolio Strategies, LLC 0.03% of their portfolio Bala Cynwyd, PA 109,734109.7k $1.4m $1.4m 0.03% First filing
76 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 107,885107.9k $1.4m $1.4m 0.00% Reduced -4.2k -4,204
77 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.01% of their portfolio FRANKFORT, KY 106,811106.8k $1.4m $1.4m 0.01% Unchanged
78 Janney Montgomery Scott LLC 0.00% of their portfolio PHILADELPHIA, PA 106,049106.0k $1.4m $1.4m 0.00% New
79 PECAUT & CO. 0.55% of their portfolio SIOUX CITY, IA 105,900105.9k $1.4m $1.4m 0.55% Reduced -4.0k -4,000
80 GROUP ONE TRADING LLC 0.04% of their portfolio CHICAGO, IL 104,159104.2k $1.4m $1.4m 0.04% Added +9.1k +9,096
81 TWINBEECH CAPITAL LP 0.02% of their portfolio PURCHASE, NY 102,512102.5k $1.3m $1.3m 0.02% New
82 Herr Investment Group LLC 0.35% of their portfolio AUSTIN, TX 100,000100.0k $1.3m $1.3m 0.35% New
83 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 98,50098.5k $1.3m $1.3m 0.00% Unchanged
84 Legal & General Group Plc 0.00% of their portfolio London, X0 98,25798.3k $1.3m $1.3m 0.00% Unchanged
85 Dynamic Technology Lab Private Ltd 0.13% of their portfolio SINGAPORE, U0 95,72095.7k $1.2m $1.2m 0.13% Added +20.8k +20,790
86 Kessler Investment Group, LLC 0.76% of their portfolio COLUMBUS, IN 95,58895.6k $1.2m $1.2m 0.76% Reduced -1.9k -1,869
87 COHEN & STEERS, INC. 0.00% of their portfolio NEW YORK, NY 95,43795.4k $1.2m $1.2m 0.00% New
88 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 95,30095.3k $1.2m $1.2m 0.00% New
89 Glenorchy Capital Ltd 1.15% of their portfolio BOOROLITE, C3 94,46994.5k $1.2m $1.2m 1.15% First filing
90 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 92,63292.6k $1.2m $1.2m 0.00% Added +55.8k +55,840
91 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 91,42591.4k $1.2m $1.2m 0.00% Added +23.5k +23,499
92 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 90,83290.8k $1.2m $1.2m 0.00% Added +7.3k +7,291
93 Quantbot Technologies LP 0.06% of their portfolio NEW YORK, NY 83,37783.4k $1.1m $1.1m 0.06% Added +77.5k +77,471
94 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 81,32181.3k $1.1m $1.1m 0.00% Unchanged
95 Mraz, Amerine & Associates, Inc. 0.21% of their portfolio Modesto, CA 76,87976.9k $999.4k $999.4k 0.21% Reduced -373 -373
96 CenterBook Partners LP 0.12% of their portfolio GREENWICH, CT 75,77275.8k $985.0k $985.0k 0.12% Reduced -3.8k -3,753
97 SIMPLEX TRADING, LLC 0.03% of their portfolio CHICAGO, IL 68,30468.3k $887.0k $887.0k 0.03% New
98 JENNISON ASSOCIATES LLC 0.00% of their portfolio NEW YORK, NY 67,00367.0k $871.0k $871.0k 0.00% Added +21.4k +21,365
99 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 66,81266.8k $868.6k $868.6k 0.00% Reduced -220.2k -220,155
100 Marex Group Ltd 0.03% of their portfolio London, X0 61,90661.9k $804.8k $804.8k 0.03% New