Vault-13

COGENT COMMUNICATIONS HLDGS CCOI

COM NEW · Common Stock · CUSIP 19239V302

Multinational internet service provider

264 institutional holders
40,516,27040.5m shares reported held*
84.4% of all shares outstanding*
$2.1bnreported value*

* 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 ($38.6m this quarter). Holder counts are more reliable. Shares outstanding: 48.0m as of 2022-10-31, 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 ≈ $52.23. Options: 7 managers hold calls ($6.0m notional), 6 hold puts ($6.2m).

Biggest calls

CITADEL ADVISORS LLC — $2.4m46.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $2.2m41.8k shares
SIMPLEX TRADING, LLC — $672.0k12.9k shares
JANE STREET GROUP, LLC — $621.0k11.9k shares
Walleye Trading LLC — $78.0k1.5k shares
GROUP ONE TRADING LLC — $5.0k100 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Biggest puts

UBS Group AG — $3.1m60.4k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $2.1m40.5k shares
CITADEL ADVISORS LLC — $699.0k13.4k shares
Walleye Trading LLC — $162.0k3.1k shares
SIMPLEX TRADING, LLC — $57.0k1.1k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $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
Turtle Creek Asset Management Inc. 13G · institution -1.2 pts · filed 2026-02-17 8.2% -1.2 pts 4.0m≈ $56.0m 2026-02-17
BlackRock, Inc. 13G · institution -6.7 pts · filed 2026-10-05 7.7% -6.7 pts 3.9m≈ $54.6m 2026-10-05
Park West Asset Management LLC 13G · passive investor +0.5 pts · filed 2026-06-17 5.6% +0.5 pts 2.8m≈ $39.0m 2026-06-17
STATE STREET CORP 13G · institution new · filed 2026-08-07 5.5% new 2.8m≈ $38.6m 2026-08-07

Fell to 5% or below in the last year: VANGUARD PORTFOLIO MANAGEMENT LLC (4.8%, 2026-07-31), VANGUARD GROUP INC (0.0%, 2026-03-26)

Insider purchases and sales in Q3 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
10010Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 5 sellingQ1 22: 0 buyingQ1 22: 6 sellingQ1 22Q2 22: 0 buyingQ2 22: 6 sellingQ3 22: 0 buyingQ3 22: 4 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—5$889.9k—
Q1 20220—6$449.2k—
Q2 20220—6$736.3k—
Q3 20220—4$537.7k—
DateInsiderTradeSharesPrice ValueTheir holding
2022-09-12 FERGUSON Lewis H Director Sold 940 $55.13 $51.8k940 shares -6%
2022-09-09 WEED THADDEUS GERARD VP, CFO Treasurer Sold 4,850 $52.35 $253.9k4.8k shares -8%
2022-09-07 KILMER HENRY W VP of IP Engineering Sold 2,400 $53.85 $129.2k2.4k shares -7%
2022-09-01 BUBECK JAMES Chief Revenue Officer Sold 1,920 $53.51 $102.7k1.9k shares -5%

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, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.01% of their portfolio New York, NY 7,390,8627.4m $385.5m $385.5m 0.01% —
2 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 5,172,7295.2m $269.8m $269.8m 0.01% —
3 VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 1.48% of their portfolio HOUSTON, TX 1,965,1342.0m $102.5m $102.5m 1.48% —
4 RENAISSANCE TECHNOLOGIES LLC 0.14% of their portfolio NEW YORK, NY 1,954,5562.0m $102.0m $102.0m 0.14% —
5 STATE STREET CORP 0.01% of their portfolio BOSTON, MA 1,744,8761.7m $91.0m $91.0m 0.01% —
6 BROWN ADVISORY INC 0.13% of their portfolio BALTIMORE, MD 1,268,8611.3m $66.2m $66.2m 0.13% —
7 DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio AUSTIN, TX 944,780944.8k $49.3m $49.3m 0.02% —
8 Bank of New York Mellon Corp 0.01% of their portfolio NEW YORK, NY 827,804827.8k $43.2m $43.2m 0.01% —
9 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 785,877785.9k $41.0m $41.0m 0.01% —
10 Copeland Capital Management, LLC 1.33% of their portfolio Conshohocken, PA 770,538770.5k $40.2m $40.2m 1.33% —
11 CITADEL ADVISORS LLC 0.04% of their portfolio MIAMI, FL 684,227684.2k $35.7m $35.7m 0.04% —
12 M&G INVESTMENT MANAGEMENT LTD 0.28% of their portfolio London, X0 642,241642.2k $33.4m $33.4m 0.28% —
13 Aberdeen Group plc 0.10% of their portfolio EDINBURGH, X0 631,373631.4k $32.9m $32.9m 0.10% —
14 BOSTON FINANCIAL MANGEMENT LLC 1.38% of their portfolio BOSTON, MA 611,137611.1k $31.9m $31.9m 1.38% —
15 MIG Capital, LLC 5.61% of their portfolio NEWPORT BEACH, CA 586,205586.2k $30.6m $30.6m 5.61% —
16 Pacer Advisors, Inc. 0.21% of their portfolio Malvern, PA 575,159575.2k $30.0m $30.0m 0.21% —
17 NATIXIS ADVISORS, LLC 0.13% of their portfolio Boston, MA 569,715569.7k $29.7m $29.7m 0.13% —
18 Natixis Investment Managers International 2.05% of their portfolio Paris, I0 490,625490.6k $25.6m $25.6m 2.05% —
19 BLAIR WILLIAM & CO/IL 0.12% of their portfolio CHICAGO, IL 488,502488.5k $25.5m $25.5m 0.12% —
20 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 485,913485.9k $25.3m $25.3m 0.01% —
21 FMR LLC 0.00% of their portfolio BOSTON, MA 484,259484.3k $25.3m $25.3m 0.00% —
22 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 471,673471.7k $24.6m $24.6m 0.00% —
23 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 461,317461.3k $24.1m $24.1m 0.00% —
24 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 451,270451.3k $23.5m $23.5m 0.00% —
25 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 420,757420.8k $21.9m $21.9m 0.01% —
26 NORGES BANK 0.01% of their portfolio OSLO, Q8 413,158413.2k $21.6m $21.6m 0.01% —
27 WELLS FARGO & COMPANY/MN 0.01% of their portfolio SAN FRANCISCO, CA 384,565384.6k $20.1m $20.1m 0.01% —
28 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 272,291272.3k $14.2m $14.2m 0.01% —
29 REAVES W H & CO INC 0.53% of their portfolio JERSEY CITY, NJ 270,579270.6k $14.1m $14.1m 0.53% —
30 PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio DES MOINES, IA 264,012264.0k $13.8m $13.8m 0.01% —
31 NFJ INVESTMENT GROUP, LLC 0.44% of their portfolio DALLAS, TX 262,593262.6k $16.7m $16.7m 0.44% —
32 WESTFIELD CAPITAL MANAGEMENT CO LP 0.11% of their portfolio BOSTON, MA 257,831257.8k $13.4m $13.4m 0.11% —
33 EMERALD ADVISERS, LLC 0.67% of their portfolio LEOLA, PA 250,669250.7k $13.1m $13.1m 0.67% —
34 Advisors Asset Management, Inc. 0.26% of their portfolio Monument, CO 249,177249.2k $13.0m $13.0m 0.26% —
35 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 248,605248.6k $13.0m $13.0m 0.00% —
36 Man Group plc 0.06% of their portfolio LONDON, X0 246,480246.5k $12.9m $12.9m 0.06% —
37 Mirae Asset Global Investments Co., Ltd. 0.03% of their portfolio SEOUL, M5 242,885242.9k $12.7m $12.7m 0.03% —
38 Legal & General Group Plc 0.00% of their portfolio London, X0 231,719231.7k $12.1m $12.1m 0.00% —
39 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 225,259225.3k $11.8m $11.8m 0.00% —
40 River Road Asset Management, LLC 0.17% of their portfolio LOUISVILLE, KY 219,780219.8k $11.5m $11.5m 0.17% —
41 FIRST TRUST ADVISORS LP 0.01% of their portfolio Wheaton, IL 202,702202.7k $10.6m $10.6m 0.01% —
42 PERSONAL CAPITAL ADVISORS CORP 0.05% of their portfolio Redwood City, CA 192,982193.0k $10.1m $10.1m 0.05% —
43 Schonfeld Strategic Advisors LLC 0.08% of their portfolio NEW YORK, NY 188,800188.8k $9.8m $9.8m 0.08% —
44 EMERALD MUTUAL FUND ADVISERS TRUST 0.61% of their portfolio LEOLA, PA 183,989184.0k $9.6m $9.6m 0.61% —
45 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 183,849183.8k $9.6m $9.6m 0.00% —
46 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 153,027153.0k $8.0m $8.0m 0.00% —
47 ProShare Advisors LLC 0.03% of their portfolio BETHESDA, MD 151,197151.2k $7.9m $7.9m 0.03% —
48 Harber Asset Management LLC 2.41% of their portfolio Asheville, NC 147,663147.7k $7.7m $7.7m 2.41% —
49 SCHRODER INVESTMENT MANAGEMENT GROUP 0.01% of their portfolio London, X0 144,743144.7k $7.5m $7.5m 0.01% —
50 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 135,450135.4k $7.1m $7.1m 0.01% —
51 JENNISON ASSOCIATES LLC 0.01% of their portfolio NEW YORK, NY 135,188135.2k $7.1m $7.1m 0.01% —
52 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 135,011135.0k $7.0m $7.0m 0.00% —
53 Skylands Capital, LLC 1.11% of their portfolio Milwaukee, WI 129,900129.9k $6.8m $6.8m 1.11% —
54 HERALD INVESTMENT MANAGEMENT Ltd 1.61% of their portfolio LONDON, X0 125,000125.0k $6.5m $6.5m 1.61% —
55 TWO SIGMA ADVISERS, LP 0.02% of their portfolio NEW YORK, NY 120,900120.9k $6.3m $6.3m 0.02% —
56 FRONTIER CAPITAL MANAGEMENT CO LLC 0.07% of their portfolio Boston, MA 112,865112.9k $5.9m $5.9m 0.07% —
57 Redmond Asset Management, LLC 2.15% of their portfolio HENRICO, VA 110,689110.7k $5.8m $5.8m 2.15% —
58 Swiss National Bank 0.00% of their portfolio ZURICH, V8 102,300102.3k $5.3m $5.3m 0.00% —
59 COMERICA BANK 0.04% of their portfolio DALLAS, TX 100,046100.0k $5.1m $5.1m 0.04% —
60 Squarepoint Ops LLC 0.05% of their portfolio NEW YORK, NY 99,17299.2k $5.2m $5.2m 0.05% —
61 Azimuth Capital Investment Management LLC 0.28% of their portfolio BLOOMFIELD HILLS, MI 96,91596.9k $5.1m $5.1m 0.28% —
62 Asset Management One Co., Ltd. 0.02% of their portfolio TOKYO, M0 86,54086.5k $4.5m $4.5m 0.02% —
63 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.05% of their portfolio HARRISBURG, PA 86,00886.0k $4.5m $4.5m 0.05% —
64 Madison Asset Management, LLC 0.07% of their portfolio MADISON, WI 83,92383.9k $4.4m $4.4m 0.07% —
65 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 80,30280.3k $4.2m $4.2m 0.00% —
66 Public Sector Pension Investment Board 0.04% of their portfolio MONTREAL, A8 78,20078.2k $4.1m $4.1m 0.04% —
67 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 78,14378.1k $4.1m $4.1m 0.00% —
68 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 74,88374.9k $3.9m $3.9m 0.00% —
69 ALGERT GLOBAL LLC 0.23% of their portfolio SAN FRANCISCO, CA 73,07973.1k $3.8m $3.8m 0.23% —
70 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 69,04869.0k $3.6m $3.6m 0.00% —
71 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 68,84168.8k $3.6m $3.6m 0.01% —
72 STIFEL FINANCIAL CORP 0.01% of their portfolio ST. LOUIS, MO 68,04868.0k $3.5m $3.5m 0.01% —
73 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 65,45365.5k $3.4m $3.4m 0.00% —
74 DF DENT & CO INC 0.05% of their portfolio BALTIMORE, MD 63,29863.3k $3.3m $3.3m 0.05% —
75 Advantage Alpha Capital Partners LP 0.59% of their portfolio SAN FRANCISCO, CA 61,55561.6k $3.2m $3.2m 0.59% —
76 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio ALBANY, NY 58,35558.4k $3.0m $3.0m 0.01% —
77 TEACHER RETIREMENT SYSTEM OF TEXAS 0.02% of their portfolio AUSTIN, TX 57,72657.7k $3.0m $3.0m 0.02% —
78 Empire Life Investments Inc. 0.22% of their portfolio Toronto, A6 54,46754.5k $2.8m $2.8m 0.22% —
79 KETTLE HILL CAPITAL MANAGEMENT, LLC 0.67% of their portfolio New York, NY 54,39754.4k $2.8m $2.8m 0.67% —
80 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 54,11054.1k $2.8m $2.8m 0.00% —
81 CAPITAL INSIGHT PARTNERS, LLC 0.76% of their portfolio SCOTTSDALE, AZ 53,92153.9k $2.8m $2.8m 0.76% —
82 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 49,87849.9k $2.6m $2.6m 0.01% —
83 Vestcor Inc 0.10% of their portfolio FREDERICTON, A3 49,20049.2k $2.6m $2.6m 0.10% —
84 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 47,53547.5k $2.5m $2.5m 0.00% —
85 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 47,30447.3k $2.5m $2.5m 0.00% —
86 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 45,27745.3k $2.4m $2.4m 0.00% —
87 Thrivent Financial for Lutherans 0.01% of their portfolio Minneapolis, MN 44,10144.1k $2.3m $2.3m 0.01% —
88 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 43,62943.6k $2.3m $2.3m 0.01% —
89 TEALWOOD ASSET MANAGEMENT INC 1.09% of their portfolio Minneapolis, MN 38,54938.5k $2.0m $2.0m 1.09% —
90 BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio PARIS, I0 37,94637.9k $2.0m $2.0m 0.01% —
91 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 37,75737.8k $2.0m $2.0m 0.00% —
92 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 36,96237.0k $1.9m $1.9m 0.00% —
93 Cubist Systematic Strategies, LLC 0.01% of their portfolio STAMFORD, CT 34,62434.6k $1.8m $1.8m 0.01% —
94 YOUSIF CAPITAL MANAGEMENT, LLC 0.03% of their portfolio BLOOMFIELD HILLS, MI 34,32534.3k $1.8m $1.8m 0.03% —
95 Holocene Advisors, LP 0.01% of their portfolio New York, NY 34,09634.1k $1.8m $1.8m 0.01% —
96 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 33,97834.0k $1.8m $1.8m 0.00% —
97 CAPTRUST FINANCIAL ADVISORS 0.01% of their portfolio RALEIGH, NC 33,31733.3k $1.7m $1.7m 0.01% —
98 WINTON GROUP Ltd 0.11% of their portfolio LONDON, X0 33,03133.0k $1.7m $1.7m 0.11% —
99 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 32,75032.8k $1.7m $1.7m 0.00% —
100 MARTINGALE ASSET MANAGEMENT L P 0.03% of their portfolio BOSTON, MA 31,86931.9k $1.7m $1.7m 0.03% —