Vault-13

INNOSPEC INC IOSP

COM · Common Stock · CUSIP 45768S105

223 institutional holders +30 vs Q3 2022
23,661,12123.7m shares reported held*
95.5% of all shares outstanding*
$2.4bnreported value*
38 new 90 added 64 reduced 10 sold out net sold ≈ $56.0m (-542.9k 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 ($9.0m this quarter). Holder counts are more reliable. Shares outstanding: 24.8m as of 2022-11-02, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $102.87. Options: 2 managers hold calls ($51.4k notional), 4 hold puts ($545.2k).

Trends to Q4 2022

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 193Q4 22: 223223Q3 22Q4 22
Numbers
QuarterHolders
Q3 2022193
Q4 2022223

Calls vs puts

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

CallsPuts
$0$200k$400k$600kQ3 22 calls: $86.0kQ3 22 puts: $188.0kQ3 22P/C 2.19Q4 22 calls: $51.4kQ4 22 puts: $545.2kQ4 22P/C 10.60
Numbers
QuarterCallsPutsP/C
Q3 2022$86.0k$188.0k2.19
Q4 2022$51.4k$545.2k10.60

Biggest buyers

WASATCH ADVISORS LP Added +176,118+176.1k
VICTORY CAPITAL MANAGEMENT INC Added +49,098+49.1k
NORGES BANK Added +48,400+48.4k
ACADIAN ASSET MANAGEMENT LLC Added +44,877+44.9k
VANGUARD GROUP INC Added +43,631+43.6k
Cubist Systematic Strategies, LLC Added +43,594+43.6k
MILLENNIUM MANAGEMENT LLC Added +38,403+38.4k
Allspring Global Investments Holdings, LLC Added +35,852+35.9k
GOLDMAN SACHS GROUP INC Added +28,988+29.0k
CITADEL ADVISORS LLC Added +24,469+24.5k

Biggest sellers

JANUS HENDERSON GROUP PLC Reduced -576,744-576.7k
ALLIANCEBERNSTEIN L.P. Reduced -203,132-203.1k
ROYCE & ASSOCIATES LP Reduced -176,952-177.0k
VOYA INVESTMENT MANAGEMENT LLC Reduced -83,977-84.0k
STATE STREET CORP Reduced -73,993-74.0k
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Sold out -49,270-49.3k
EAGLE ASSET MANAGEMENT INC Reduced -34,219-34.2k
Champlain Investment Partners, LLC Reduced -28,370-28.4k
Huber Capital Management LLC Reduced -28,064-28.1k
WESTWOOD HOLDINGS GROUP INC Reduced -24,340-24.3k

Biggest calls

PEAK6 Investments LLC Reduced $51.4k500 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $226.3k2.2k shares
PEAK6 Investments LLC Unchanged $226.3k2.2k shares
CITADEL ADVISORS LLC New $92.6k900 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.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution filed 2025-04-30 14.7% 3.7m≈ $299.7m 2025-04-30
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 7.5% new 1.9m≈ $152.2m 2026-04-29
DIMENSIONAL FUND ADVISORS LP 13G · institution new · filed 2026-07-14 5.3% new 1.3m≈ $106.2m 2026-07-14
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 5.2% new 1.3m≈ $105.8m 2026-04-30

Fell to 5% or below in the last year: Allspring Global Investments Holdings, LLC (4.7%, 2026-10-07), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)

Insider purchases and sales in Q4 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
10010Q1 21: 0 buyingQ1 21: 0 sellingQ2 21: 0 buyingQ2 21: 0 sellingQ2 21Q3 21: 0 buyingQ3 21: 0 sellingQ4 21: 0 buyingQ4 21: 3 sellingQ4 21Q1 22: 0 buyingQ1 22: 6 sellingQ2 22: 0 buyingQ2 22: 0 sellingQ2 22Q3 22: 0 buyingQ3 22: 0 sellingQ4 22: 1 buyingQ4 22: 0 sellingQ4 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—3$1.2m—
Q1 20220—6$1.6m—
Q2 20220—0——
Q3 20220—0——
Q4 20221$81.2k0——
DateInsiderTradeSharesPrice ValueTheir holding
2022-12-05 Jones David B. SVP, GC & CCO Bought 752 $107.99 $81.2k752 shares +97%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q4 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.01% of their portfolio New York, NY 3,963,1934.0m $407.7m $407.7m 0.01% Added +15.6k +15,594
2 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 2,889,9932.9m $297.3m $297.3m 0.01% Added +43.6k +43,631
3 Allspring Global Investments Holdings, LLC 0.43% of their portfolio CHARLOTTE, NC 2,444,8522.4m $251.5m $251.5m 0.43% Added +35.9k +35,852
4 WASATCH ADVISORS LP 1.23% of their portfolio SALT LAKE CITY, UT 1,772,6471.8m $182.3m $182.3m 1.23% Added +176.1k +176,118
5 DIMENSIONAL FUND ADVISORS LP 0.04% of their portfolio AUSTIN, TX 1,197,7001.2m $123.2m $123.2m 0.04% Added +488 +488
6 VICTORY CAPITAL MANAGEMENT INC 0.12% of their portfolio San Antonio, TX 1,022,8501.0m $105.2m $105.2m 0.12% Added +49.1k +49,098
7 Champlain Investment Partners, LLC 0.58% of their portfolio BURLINGTON, VT 876,570876.6k $90.2m $90.2m 0.58% Reduced -28.4k -28,370
8 ROYCE & ASSOCIATES LP 0.94% of their portfolio New York, NY 870,736870.7k $89.6m $89.6m 0.94% Reduced -177.0k -176,952
9 STATE STREET CORP 0.01% of their portfolio BOSTON, MA 836,979837.0k $86.1m $86.1m 0.01% Reduced -74.0k -73,993
10 ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio NASHVILLE, TN 655,047655.0k $67.4m $67.4m 0.03% Reduced -203.1k -203,132
11 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 461,223461.2k $47.4m $47.4m 0.01% Added +14.8k +14,826
12 JANUS HENDERSON GROUP PLC 0.03% of their portfolio LONDON, X0 438,392438.4k $45.1m $45.1m 0.03% Reduced -576.7k -576,744
13 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 399,911399.9k $41.1m $41.1m 0.01% Added +2.7k +2,744
14 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 338,993339.0k $34.9m $34.9m 0.01% Added +6.2k +6,176
15 WESTWOOD HOLDINGS GROUP INC 0.26% of their portfolio DALLAS, TX 283,785283.8k $29.2m $29.2m 0.26% Reduced -24.3k -24,340
16 Bank of New York Mellon Corp 0.01% of their portfolio NEW YORK, NY 282,204282.2k $29.0m $29.0m 0.01% Reduced -11.5k -11,490
17 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 280,133280.1k $28.8m $28.8m 0.01% Reduced -2.0k -2,039
18 NORGES BANK 0.01% of their portfolio OSLO, Q8 244,796244.8k $25.2m $25.2m 0.01% Added +48.4k +48,400
19 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 220,717220.7k $22.7m $22.7m 0.00% Added +2.8k +2,809
20 VOYA INVESTMENT MANAGEMENT LLC 0.03% of their portfolio ATLANTA, GA 215,611215.6k $22.2m $22.2m 0.03% Reduced -84.0k -83,977
21 Telemark Asset Management, LLC 3.28% of their portfolio BOSTON, MA 210,000210.0k $21.6m $21.6m 3.28% Unchanged
22 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 203,277203.3k $20.9m $20.9m 0.00% Reduced -10.4k -10,445
23 EAGLE ASSET MANAGEMENT INC 0.12% of their portfolio ST PETERSBURG, FL 184,948184.9k $19.1m $19.1m 0.12% Reduced -34.2k -34,219
24 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 168,903168.9k $17.4m $17.4m 0.01% Reduced -2.3k -2,260
25 PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio DES MOINES, IA 152,530152.5k $15.7m $15.7m 0.01% Reduced -1.3k -1,264
26 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 126,284126.3k $13.0m $13.0m 0.00% Added +29.0k +28,988
27 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 102,042102.0k $10.5m $10.5m 0.00% Added +3.9k +3,919
28 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 97,64497.6k $10.0m $10.0m 0.00% Reduced -10.3k -10,348
29 Huber Capital Management LLC 2.52% of their portfolio EL SEGUNDO, CA 96,96297.0k $10.0m $10.0m 2.52% Reduced -28.1k -28,064
30 SEGALL BRYANT & HAMILL, LLC 0.10% of their portfolio CHICAGO, IL 86,94586.9k $8.9m $8.9m 0.10% Added +17.8k +17,843
31 Leeward Investments, LLC - MA 0.37% of their portfolio BOSTON, MA 81,17081.2k $8.3m $8.3m 0.37% Reduced -19.6k -19,596
32 KIRR MARBACH & CO LLC /IN/ 2.58% of their portfolio COLUMBUS, IN 80,34780.3k $8.3m $8.3m 2.58% Reduced -948 -948
33 KENNEDY CAPITAL MANAGEMENT LLC 0.23% of their portfolio ST LOUIS, MO 79,94079.9k $8.2m $8.2m 0.23% Reduced -17.3k -17,347
34 SEI INVESTMENTS CO 0.02% of their portfolio OAKS, PA 78,44778.4k $8.1m $8.1m 0.02% Added +3.2k +3,231
35 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 76,30176.3k $7.8m $7.8m 0.01% Added +3.9k +3,853
36 Thrivent Financial for Lutherans 0.02% of their portfolio Minneapolis, MN 76,19876.2k $7.8m $7.8m 0.02% Reduced -18.7k -18,658
37 BESSEMER GROUP INC 0.02% of their portfolio WOODBRIDGE, NJ 75,59875.6k $7.8m $7.8m 0.02% Added +15.7k +15,695
38 Legal & General Group Plc 0.00% of their portfolio London, X0 73,79873.8k $7.6m $7.6m 0.00% Added +1.2k +1,199
39 ACADIAN ASSET MANAGEMENT LLC 0.04% of their portfolio Boston, MA 71,87871.9k $7.4m $7.4m 0.04% Added +44.9k +44,877
40 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 71,48071.5k $7.4m $7.4m 0.01% Reduced -3.0k -2,978
41 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.09% of their portfolio New York, NY 67,50867.5k $6.9m $6.9m 0.09% Added +11.4k +11,373
42 OSTERWEIS CAPITAL MANAGEMENT INC 0.49% of their portfolio SAN FRANCISCO, CA 65,81565.8k $6.8m $6.8m 0.49% Reduced -2.2k -2,170
43 Swiss National Bank 0.00% of their portfolio ZURICH, V8 59,80359.8k $6.2m $6.2m 0.00% Added +1.0k +1,000
44 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 54,80454.8k $5.6m $5.6m 0.01% Added +38.4k +38,403
45 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 50,38250.4k $5.2m $5.2m 0.00% Reduced -2.5k -2,519
46 Cubist Systematic Strategies, LLC 0.04% of their portfolio STAMFORD, CT 50,07150.1k $5.2m $5.2m 0.04% Added +43.6k +43,594
47 Public Sector Pension Investment Board 0.04% of their portfolio MONTREAL, A8 45,05545.1k $4.6m $4.6m 0.04% Reduced -388 -388
48 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 44,07444.1k $4.5m $4.5m 0.00% Added +8.4k +8,416
49 ZWJ INVESTMENT COUNSEL INC 0.24% of their portfolio Atlanta, GA 41,96642.0k $4.3m $4.3m 0.24% Added +417 +417
50 Moran Wealth Management, LLC 0.16% of their portfolio NAPLES, FL 41,52541.5k $4.3m $4.3m 0.16% First filing
51 ALGERT GLOBAL LLC 0.21% of their portfolio SAN FRANCISCO, CA 37,72037.7k $3.9m $3.9m 0.21% Added +10.4k +10,420
52 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 33,57333.6k $3.5m $3.5m 0.00% Added +760 +760
53 TUDOR INVESTMENT CORP ET AL 0.08% of their portfolio STAMFORD, CT 33,16133.2k $3.4m $3.4m 0.08% Added +7.2k +7,169
54 B. Metzler seel. Sohn & Co. AG 0.06% of their portfolio FRANKFURT, 2M 32,37832.4k $3.3m $3.3m 0.06% Added +9.8k +9,790
55 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio WEST SACRAMENTO, CA 31,45631.5k $3.2m $3.2m 0.01% Added +324 +324
56 CONNORS INVESTOR SERVICES INC 0.40% of their portfolio WYOMISSING, PA 31,39731.4k $3.2m $3.2m 0.40% Added +3 +3
57 TOCQUEVILLE ASSET MANAGEMENT L.P. 0.06% of their portfolio New York, NY 30,99031.0k $3.2m $3.2m 0.06% Reduced -100 -100
58 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 30,26830.3k $3.1m $3.1m 0.01% Added +24 +24
59 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 27,92627.9k $2.9m $2.9m 0.00% Added +24.5k +24,469
60 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio JUPITER, FL 27,10027.1k $2.8m $2.8m 0.02% Added +12.1k +12,092
61 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.02% of their portfolio HARRISBURG, PA 26,50426.5k $2.7m $2.7m 0.02% Added +3.9k +3,916
62 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 24,98325.0k $2.6m $2.6m 0.00% Reduced -110 -110
63 Graham Capital Management, L.P. 0.09% of their portfolio ROWAYTON, CT 22,85122.9k $2.4m $2.4m 0.09% New
64 Round Hill Asset Management 1.44% of their portfolio PASADENA, CA 22,60222.6k $2.3m $2.3m 1.44% Unchanged
65 State of Tennessee, Department of Treasury 0.01% of their portfolio NASHVILLE, TN 20,92820.9k $2.2m $2.2m 0.01% Added +3.7k +3,703
66 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 20,83520.8k $2.1m $2.1m 0.01% Reduced -3.4k -3,435
67 HRT FINANCIAL LP 0.03% of their portfolio NEW YORK, NY 20,43720.4k $2.1m $2.1m 0.03% New
68 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 18,69318.7k $1.9m $1.9m 0.00% Added +93 +93
69 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 18,00018.0k $1.9m $1.9m 0.00% Reduced -12.9k -12,900
70 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 17,98418.0k $1.8m $1.8m 0.00% Added +3.8k +3,813
71 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 17,50217.5k $1.8m $1.8m 0.01% New
72 State of Alaska, Department of Revenue 0.02% of their portfolio JUNEAU, AK 17,24917.2k $1.8m $1.8m 0.02% Added +85 +85
73 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 16,93416.9k $1.7m $1.7m 0.01% Reduced -2.7k -2,707
74 TEXAS PERMANENT SCHOOL FUND CORP 0.03% of their portfolio AUSTIN, TX 16,64916.6k $1.7m $1.7m 0.03% Reduced -1.2k -1,184
75 Global IMC LLC 0.43% of their portfolio SOLANA BEACH, CA 16,29416.3k $1.7m $1.7m 0.43% New
76 YOUSIF CAPITAL MANAGEMENT, LLC 0.02% of their portfolio BLOOMFIELD HILLS, MI 16,15716.2k $1.7m $1.7m 0.02% Reduced -3.9k -3,875
77 OPPENHEIMER ASSET MANAGEMENT INC. 0.03% of their portfolio NEW YORK, NY 15,92715.9k $1.6m $1.6m 0.03% Added +2.4k +2,369
78 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 15,10015.1k $1.6m $1.6m 0.00% Added +3.9k +3,900
79 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 14,82414.8k $1.5m $1.5m 0.00% Added +3.1k +3,068
80 COMERICA BANK 0.01% of their portfolio DALLAS, TX 14,67014.7k $1.6m $1.6m 0.01% Reduced -4.3k -4,292
81 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 13,97014.0k $1.4m $1.4m 0.00% Added +368 +368
82 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio ALBANY, NY 13,92513.9k $1.4m $1.4m 0.00% Unchanged
83 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 13,90013.9k $1.4m $1.4m 0.00% Added +3.0k +3,016
84 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 13,77513.8k $1.4m $1.4m 0.00% Added +149 +149
85 FMR LLC 0.00% of their portfolio BOSTON, MA 13,69713.7k $1.4m $1.4m 0.00% Added +83 +83
86 TEACHER RETIREMENT SYSTEM OF TEXAS 0.01% of their portfolio AUSTIN, TX 13,67113.7k $1.4m $1.4m 0.01% Added +841 +841
87 Assenagon Asset Management S.A. 0.01% of their portfolio SENNINGERBERG, N4 13,62613.6k $1.4m $1.4m 0.01% New
88 AMERICAN INTERNATIONAL GROUP, INC. 0.01% of their portfolio New York, NY 13,45813.5k $1.4m $1.4m 0.01% Reduced -108 -108
89 MetLife Investment Management, LLC 0.01% of their portfolio Whippany, NJ 13,16113.2k $1.4m $1.4m 0.01% Unchanged
90 MARTINGALE ASSET MANAGEMENT L P 0.03% of their portfolio BOSTON, MA 13,10713.1k $1.3m $1.3m 0.03% Added +5 +5
91 PUTNAM INVESTMENTS LLC 0.00% of their portfolio BOSTON, MA 12,90512.9k $1.3m $1.3m 0.00% Reduced -7 -7
92 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 12,73112.7k $1.3m $1.3m 0.00% Reduced -8.4k -8,403
93 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 12,67412.7k $1.3m $1.3m 0.00% Added +1.3k +1,290
94 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 12,19312.2k $1.3m $1.3m 0.00% Added +6.4k +6,395
95 AMALGAMATED BANK 0.01% of their portfolio NEW YORK, NY 12,00512.0k $1.2m $1.2m 0.01% Added +98 +98
96 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 11,97712.0k $1.2m $1.2m 0.00% First filing
97 Louisiana State Employees Retirement System 0.03% of their portfolio BATON ROUGE, LA 11,80011.8k $1.2m $1.2m 0.03% Unchanged
98 Informed Momentum Co LLC 0.24% of their portfolio SOLANA BEACH, CA 11,04611.0k $1.1m $1.1m 0.24% New
99 Grantham, Mayo, Van Otterloo & Co. LLC 0.01% of their portfolio Boston, MA 10,70010.7k $1.1m $1.1m 0.01% Reduced -1.9k -1,900
100 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 10,61610.6k $1.1m $1.1m 0.00% Added +126 +126