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Starboard Value LP
13F-HR

Q4 2021

Period Dec 31, 2021Filed Feb 14, 2022View on EDGAR ↗
Compare vs4 quarters back (Q4 2020)
Positions
136
Total value
$7.22B
Top 10 concentration
64.2%
New positions
123

Holdings · 136

#Class
1HUNTSMAN CORP
HUN · 447011107
COM$628.76M8.71%18,026,236New
2GODADDY INC
GDDY · 380237107
CL A$576.32M7.99%6,791,399New
3AECOM
ACM · 00766T100
COM$559.75M7.76%7,236,629-6.9%
4ON SEMICONDUCTOR CORP
ON · 682189105
COM$514M7.12%7,567,681-16.3%
5WILLIS TOWERS WATSON PLC LTD
WTW · G96629103
SHS$498.94M6.91%2,100,894New
6NORTONLIFELOCK INC
GEN · 668771108
COM$433.98M6.01%16,704,454-19.8%
7CORTEVA INC
CTVA · 22052L104
COM$420.82M5.83%8,900,508-38.3%
8PAPA JOHNS INTL INC
PZZA · 698813102
COM$368.29M5.10%2,759,360New
9CERNER CORP
CERNCHF · 156782104
COM$318.29M4.41%3,427,257+49.6%
10ACI WORLDWIDE INC
ACIW · 004498101
COM$311.87M4.32%8,987,486-7.0%
11ISHARES TR
IWM · 464287655
RUSSELL 2000 ETF$307.96M4.27%1,384,380+160.7%
12COMMVAULT SYS INC
CVLT · 204166102
COM$295.62M4.10%4,289,375-4.0%
13MAGELLAN HEALTH INC
MGLNUSD · 559079207
COM NEW$225.04M3.12%2,369,100
14ELANCO ANIMAL HEALTH INC
ELAN · 28414H103
COM$218.12M3.02%7,685,555New
15
CYXTERA TECHNOLOGIES INC
23284C102
COM CL A$208.4M2.89%16,526,315New
16GCP APPLIED TECHNOLOGIES INC
GCPEUR · 36164Y101
COM$207.06M2.87%6,540,000
17GREEN DOT CORP
GDOT · 39304D102
CL A$191.86M2.66%5,294,110+20.1%
18
COLFAX CORP
194014106
COM$180.16M2.50%3,919,116New
19MEDNAX INC
MD · 58502B106
COM$160.95M2.23%5,915,000-30.0%
20MERIT MED SYS INC
MMSI · 589889104
COM$81.12M1.12%1,302,152-67.3%
21EHEALTH INC
EHTH · 28238P109
COM$52.23M0.72%2,048,117New
22
INTEGRATED RAIL AND RES ACQ
45827R205
UNIT 99/99/9999$10.71M0.15%1,065,897New
23
WARBURG PINCUS CAPTAL CORP I
G9460M108
SHS CL A$7.88M0.11%807,272New
24
ONYX ACQUISITION CO I
G6755Q109
SHS CL A$7.63M0.11%769,600New
25BURTECH ACQUISITION CORP
BRKH · 123013203
UNIT 12/10/2026$7.51M0.10%750,000New
26
MOUNT RAINIER ACQUISITION CO
623006202
UNIT 11/27/2026$7.38M0.10%725,421New
27MCLAREN TECHNOLOGY ACQ CORP
MCL · 58176U109
CLASS A COM$7.25M0.10%731,000New
28AVALON ACQUISITION INC
AWX · 05338E101
CLASS A COM$7.22M0.10%731,000New
29
DIGITAL HEALTH ACQUISITION C
253893200
UNIT 11/02/2026$7.17M0.10%700,000New
30
BULLPEN PARLAY ACQUISITION C
G1792A126
UNIT 12/03/2026$7M0.10%700,000New
31
BIOPLUS ACQUISITION CORP
G11217109
UNIT 12/02/2026$7M0.10%700,000New
32
SPINDLETOP HEALTH ACQUISITIO
84854Q103
COM CL A$6.95M0.10%727,200New
33SIZZLE ACQUISITION CORP
SZZL · 83014E208
UNIT 11/02/2026$6.92M0.10%681,000New
34
TREBIA ACQUISITION CORP
G9027T109
COM CL A$6.77M0.09%680,100New
35
INDUSTRIAL HUMAN CAPITAL INC
45617P104
COM$6.74M0.09%679,059New
36
ROSE HILL ACQUISITION CORP
G7637J107
CLASS A ORD$6.68M0.09%673,401New
37
CRESCERA CAP ACQUISITION COR
G26507122
UNIT 11/18/2026$5.87M0.08%584,800New
38
VAHANNA TECH EDGE ACQSTN I C
G9320Z125
UNIT 11/22/2026$5.84M0.08%580,103New
39
NEWCOURT ACQUISITION CORP
G6448C103
CLASS A ORD SHS$5.83M0.08%588,600New
40LIBERTY RES ACQUISITION CORP
LBRT · 53118A204
UNIT 10/31/2028$5.81M0.08%565,251New
41
ENERGEM CORP
G30449113
UNIT 11/15/2026$5.79M0.08%570,258New
42DIRECT SELLING ACQUISITIN CO
DSAQ · 25460L103
CL A COM$5.72M0.08%576,000New
43
LEAD EDGE GROWTH OPRTUNTS LT
G54085108
COM$5.58M0.08%571,700New
44
SLAM CORP
G8210L105
CL A SHS$5.57M0.08%572,753New
45
KKR ACQUISITION HOLDING I CO
48253T109
COM CLASS A$5.52M0.08%566,844New
46
GOGREEN INVESTMENTS CORP
G9461B101
ORD SHS CL A$5.44M0.08%548,645New
47
GIGCAPITAL 5 INC
37519U109
COMMON STOCK$5.22M0.07%528,000New
48
MOUNTAIN & CO I ACQUISITN CO
G6301J120
UNIT 11/04/2026$5.09M0.07%498,100New
49
INVESTCORP EUROPE ACQUISITIO
G4923T121
UNIT 12/15/2026$5.04M0.07%500,000New
50GENESIS GRWT TECH ACQUSTN CO
GEL · G3R23D110
UNIT 99/99/9999$5.03M0.07%500,000New
51EMERGING MARKETS HORIZON COR
EMRH · G3033X113
UNIT 99/99/9999$5.01M0.07%500,000New
52
EVE MOBILITY ACQUISITION COR
G3218G125
UNIT 99/99/9999$5.01M0.07%500,000New
53
HEALTHCARE AI ACQUISITION CO
G4373K125
UNIT 12/07/2026$5.01M0.07%500,000New
54
SCULPTOR ACQUISITION CORP I
G7T983129
UNIT 99/99/9999$5.01M0.07%500,000New
55
BATTERY FUTURE ACQUISITION C
G0888J116
UNIT 99/99/9999$5M0.07%500,000New
56
PEARL HOLDINGS ACQUISITN COR
G44525122
UNIT 12/15/2026$5M0.07%500,000New
57
SOUTHPORT ACQUISITION CORP
84465L204
UNIT 99/99/9999$5M0.07%500,000New
58
THRIVE ACQUISITION CORPORATI
G7158C101
CLASS A ORD$5M0.07%506,000New
59
FORTUNE RISE ACQUISITION COR
34969G102
CL A$4.93M0.07%496,086New
60
VISION SENSING ACQUISITION C
92838J103
CLASS A COM$4.92M0.07%496,134New
61
SEMPER PARATUS ACQUISITION C
G8028L123
UNIT 11/04/2026$4.84M0.07%481,000New
62
JUNIPER II CORP
48203N103
CL A COM$4.83M0.07%481,000New
63
OMNILIT ACQUISITION CORP
68218C207
UNIT 11/08/2026$4.83M0.07%481,000New
64
L&F ACQUISITION CORP
G53702109
SHS CL A$4.79M0.07%477,782New
65
AUSTERLITZ ACQUISITION CORP
G0633D109
SHS CL A$4.79M0.07%493,352New
66
CAPITALWORKS EMNG MKTS ACQST
G1889L118
UNIT 01/01/2026$4.78M0.07%474,921New
67
CENAQ ENERGY CORP
15130M102
CLASS A ORD SHS$4.76M0.07%480,000New
68
SPARTAN ACQUISITION CORP III
84677R106
COM CL A$4.76M0.07%482,501New
69
ACHARI VENTURES HLDGS CORP I
00444X101
COM$4.75M0.07%481,000New
70
TALON 1 ACQUISITION CORP
G86656124
UNIT 11/02/2026$4.71M0.07%466,608New
71
KHOSLA VENTURES ACQUT CO III
482506102
COM CL A$4.65M0.06%476,350New
72
FOREST ROAD ACQUISITION COR
34619V103
CL A$4.64M0.06%476,500New
73
INTEGRATED WELLNESS ACQ CORP
G4828B126
UNIT 99/99/9999$4.54M0.06%450,000New
74
AETHERIUM ACQUISITION CORP
00809J200
UNIT 12/21/2026$4.5M0.06%450,000New
75
INFINT ACQUISITION CORP
G47862118
UNIT 99/99/9999$4.43M0.06%441,174New
76
ROSS ACQUISITION CORP II
G7641C106
SHS CL A$4.18M0.06%428,700New
77
SHOULDERUP TECHNOLOGY ACQUIS
82537G203
UNIT 99/99/9999$4.18M0.06%413,707New
78
PARSEC CAPITAL ACQUISITION
70184A108
CL A$4.05M0.06%408,302New
79
APX ACQUISITION CORP I
G0440J117
UNIT 12/07/2026$4.03M0.06%400,000New
80
CC NEUBERGER PRIN HLDGS II
G3166T103
SHS CL A$3.99M0.06%402,780New
81
LEGATO MERGER CORP II
52473Y104
COM$3.96M0.05%398,643New
82
ESGEN ACQUISITION CORP
G3R95N103
SHS CL A$3.86M0.05%388,600New
83ATHENA CONSUMER ACQ CORP
ACAQUSD · 04684M106
CL A$3.81M0.05%384,800New
84
TAILWIND ACQUISITION CORP
87403Q102
COM CL A$3.76M0.05%381,600New
85ATLANTIC COASTAL ACQUISTN CO
ATLN · 004845310
CLASS A COM$3.72M0.05%381,011New
86
PLUM ACQUISITION CORP I
G7134L126
CLASS A ORD SHS$3.71M0.05%381,488New
87
MISSION ADVANCEMENT CORP
60501L101
CL A$3.71M0.05%381,150New
88
ALSP ORCHID ACQUISITION CORP
G0231L115
UNIT 11/30/2028$3.7M0.05%366,189New
89
INNOVATIVE INTL ACQUSITIN CO
G4809M117
UNIT 10/26/2026$3.59M0.05%356,579New
90
DATA KNIGHTS ACQUISITION COR
237699103
CLASS A COM$3.37M0.05%333,668New
91
APEIRON CAPITAL INVEST CORP
03752A200
UNIT 99/99/9999$3.37M0.05%333,848New
92
AHREN ACQUISITION CORP
G01322117
UNIT 12/09/2026$3.36M0.05%335,500New
93
FORTRESS VALUE ACQUIS CORP I
34964G107
COM CL A$3.27M0.05%334,678New
94
DRAGONEER GROWTH OPT CORP II
G28315102
CL A SHS$3.08M0.04%315,537New
95
MOTIVE CAPITAL CORP
G6293A103
SHS CL A$2.95M0.04%300,000New
96
MEDTECH ACQUISITION CORP
58507N105
COM CL A$2.95M0.04%298,368New
97
ARTEMIS STRATEGIC INVT CORP
04303A103
COM CL A$2.93M0.04%288,000New
98
SANABY HEALTH ACQUISITION CO
79956P102
CL A COM$2.86M0.04%288,600New
99
PEGASUS DIGITAL MOBILITY ACQ
G69768102
CL A ORD SHS$2.83M0.04%288,600New
100
CF ACQUISITION CORP VII
12521H206
UNIT 03/16/2028$2.54M0.04%250,000New
101
ISHARES TR
464287655 · Put
RUSSELL 2000 ETF$2.5M0.03%1,350,000New
102LIONHEART III CORP
CUB · 536262108
CLASS A COM$2.46M0.03%250,000New
103
GREEN VISOR FIN TEC ACQ CORP
G4166K118
UNIT 11/08/2026$2.46M0.03%240,500New
104
HUNT COMPANIES ACQUISITIO
G46482116
UNIT 99/99/9999$2.44M0.03%240,500New
105
NABORS ENERGY TRANSITION COR
629567207
UNIT 99/99/9999$2.44M0.03%240,500New
106
FTAC ZEUS ACQUISITION COR
30320F205
UNIT 04/15/2026$2.41M0.03%240,500New
107
MAXPRO CAPITAL ACQUISITN COR
57778T106
CLASS A COM$2.39M0.03%240,500New
108
CONCORD ACQUISITION CORP III
20607V106
COM CL A$2.38M0.03%240,500New
109
M3 BRIGADE ACQUISITION III
55407R103
CL A COM$2.37M0.03%240,500New
110
BLACK MOUNTAIN ACQ CORP
09216A108
CL A COM$2.36M0.03%240,500New
111CATALYST PARTNRS ACQUISITN C
CPRX · G19550105
CLASS A ORD SHS$2.32M0.03%238,000New
112
EG ACQUISITION CORP
26846A100
COM CL A$2.31M0.03%238,000New
113CACTUS ACQUISITION CORP 1 LT
WHD · G1745A116
UNIT 08/17/2028$2.28M0.03%225,876New
114
ASCENDANT DIGITAL ACQ CORP I
G05157121
UNIT 99/99/9999$2.1M0.03%206,800New
115
AP ACQUISITION CORP
G04058122
UNIT 99/99/9999$2.03M0.03%200,000New
116
VMG CONSUMER ACQUISITION COR
91842V201
UNIT 11/08/2026$1.95M0.03%192,400New
117
INFINITE ACQUISITION CORP
G48028115
UNIT 99/99/9999$1.94M0.03%192,400New
118PYROPHYTE ACQUISITION CORP
PAII · G7308P101
CL A ORD SHS$1.9M0.03%192,400New
119
SOAR TECHNOLOGY ACQUISN CORP
G82472112
CL A COM$1.89M0.03%186,912New
120
AESTHER HEALTHCARE ACQSTN CO
00809L106
CLASS A COM$1.65M0.02%165,304New
121
LF CAPITAL ACQUISITION CORP
50202D201
UNIT 05/15/2028$1.6M0.02%159,557New
122
RCF ACQUISITION CORP
G7330C128
UNIT 99/99/9999$1.46M0.02%144,300New
123
FOCUS IMPACT ACQUISITION COR
34417L109
CLASS A COM$1.42M0.02%144,300New
124
ANTHEMIS DIGITAL ACQUISITION
G03959106
CLASS A ORD$1.42M0.02%144,300New
125
TCV ACQUISITION CORP
G8704C124
CL A SHS$1.41M0.02%142,950New
126
PARABELLUM ACQUISITION CORP
69901P109
COM CL A$1.4M0.02%144,000New
127
BEARD ENERGY TRANSITION ACQ
07402Q200
UNIT 99/99/9999$1.22M0.02%120,250New
128
CIIG CAPITAL PARTNERS II INC
12561U109
COM CL A$1.01M0.01%102,157New
129
BLOCKCHAIN COINVSTRS ACQ CRP
G11765123
UNIT 09/01/2026$973K0.01%96,200New
130
LAMF GLOBAL VENTURES CORP I
G5338L116
UNIT 11/05/2026$966K0.01%96,200New
131INTELLIGENT MEDI ACQSITN COR
INTJ · 45828D106
CLASS A COM$952K0.01%96,200New
132ALTC ACQUISITION CORP
OKLO · 02156V109
COM CL A$946K0.01%96,000New
133
LAVA MEDTECH ACQUISITION COR
519345102
CLASS A COM$474K0.01%48,100New
134
GROWTH CAP ACQUISITION CORP
39986V107
CL A$339K0.00%34,148New
135ARBOR RAPHA CAP BIOHLDS CORP
ARCK · 03881F104
CLASS A COM$239K0.00%24,050New
136PHOENIX BIOTECH ACQUISITION
CERO · 71902K105
CLASS A COM$238K0.00%24,050New
Total filing value: $7.22B