Last updated: 9 March 2022 at 4:16pm EST

Nicholas Themelis Net Worth




The estimated Net Worth of Nicholas Themelis is at least $35.1 Million dollars as of 7 March 2022. Mr. Themelis owns over 2,000 units of MarketAxess stock worth over $2,182,223 and over the last 20 years he sold MKTX stock worth over $31,026,729. In addition, he makes $1,918,130 as Chief Information Officer at MarketAxess.

Mr. Themelis MKTX stock SEC Form 4 insiders trading

Nicholas has made over 37 trades of the MarketAxess stock since 2008, according to the Form 4 filled with the SEC. Most recently he sold 2,000 units of MKTX stock worth $729,780 on 7 March 2022.

The largest trade he's ever made was selling 98,070 units of MarketAxess stock on 4 November 2011 worth over $2,799,899. On average, Nicholas trades about 6,091 units every 54 days since 2005. As of 7 March 2022 he still owns at least 8,544 units of MarketAxess stock.

You can see the complete history of Mr. Themelis stock trades at the bottom of the page.





Nicholas Themelis biography

Nicholas Themelis serves as Chief Information Officer of the Company. He has been Chief Information Officer since March 2005. From June 2004 through February 2005, Mr. Themelis was the Company’s Head of Technology and Product Delivery. From March 2004 to June 2004, Mr. Themelis was the Company’s Head of Product Delivery. Prior to joining us, Mr. Themelis was a Principal at Promontory Group, an investment and advisory firm focused on the financial services sector, from November 2003 to March 2004. From March 2001 to August 2003, Mr. Themelis was a Managing Director, Chief Information Officer for North America and Global Head of Fixed-Income Technology at Barclays Capital. From March 2000 to March 2001, Mr. Themelis was the Chief Technology Officer and a member of the board of directors of AuthentiDate Holdings Corp., a start-up focused on developing leading-edge content and encryption technology. Prior to his tenure at AuthentiDate, Mr. Themelis spent nine years with Lehman Brothers, ultimately as Senior Vice President and Global Head of the E-Commerce Technology Group.

What is the salary of Nicholas Themelis?

As the Chief Information Officer of MarketAxess, the total compensation of Nicholas Themelis at MarketAxess is $1,918,130. There are 4 executives at MarketAxess getting paid more, with Christopher Concannon having the highest compensation of $13,842,000.



How old is Nicholas Themelis?

Nicholas Themelis is 56, he's been the Chief Information Officer of MarketAxess since 2005. There are 13 older and 12 younger executives at MarketAxess. The oldest executive at MarketAxess Holdings Inc. is Stephen Casper, 70, who is the Lead Independent Director.

What's Nicholas Themelis's mailing address?

Nicholas's mailing address filed with the SEC is C/O MARKETAXESS HOLDINGS INC., 55 HUDSON YARDS, 15TH FLOOR, NEW YORK, NY, 10001.

Insiders trading at MarketAxess

Over the last 20 years, insiders at MarketAxess have traded over $329,407,925 worth of MarketAxess stock and bought 115,640 units worth $2,646,913 . The most active insiders traders include Richard M Mc Vey, Steven L Begleiter, and Jerome S Markowitz. On average, MarketAxess executives and independent directors trade stock every 28 days with the average trade being worth of $7,315,964. The most recent stock trade was executed by Stephen P Casper on 6 September 2024, trading 1,000 units of MKTX stock currently worth $259,390.



What does MarketAxess do?

marketaxess operates a leading electronic trading platform that enables fixed-income market participants to efficiently trade corporate bonds and other types of fixed-income instruments using marketaxess’ patented trading technology. over 1,300 institutional investor and broker-dealer firms are active users of the marketaxess trading platform, accessing global liquidity in u.s. high-grade corporate bonds, emerging markets and high-yield bonds, leveraged loans, european bonds, u.s. agency bonds, municipal bonds, credit default swaps and other fixed-income securities. our "all-to-all"​ market for corporate bonds, open trading™, allows investment managers, broker-dealers at investment banks and other market participants to trade directly with one another electronically on an anonymous basis. marketaxess also offers a number of trading-related products and services, including: market data to assist clients with trading decisions; connectivity solutions that facilitate straight-through proc



What does MarketAxess's logo look like?

MarketAxess Holdings Inc. logo

Complete history of Mr. Themelis stock trades at MarketAxess

Date
#
Company
Insider
Trans.
Transaction
Shares Price per share Total value Shares after Source
7 Mar 2022 Nicholas Themelis
Chief Information Officer
Sale 2,000 $364.89 $729,780
7 Mar 2022
8,544
7 Dec 2021 Nicholas Themelis
Chief Information Officer
Sale 2,000 $370.08 $740,160
7 Dec 2021
9,587
7 Sep 2021 Nicholas Themelis
Chief Information Officer
Sale 2,000 $461.54 $923,080
7 Sep 2021
11,587
11 Aug 2021 Nicholas Themelis
Chief Information Officer
Option 6,433 $103.30 $664,529
11 Aug 2021
20,020
14 Jun 2021 Nicholas Themelis
Chief Information Officer
Option 7,000 $103.30 $723,100
14 Jun 2021
20,587
7 Jun 2021 Nicholas Themelis
Chief Information Officer
Sale 4,000 $445.00 $1,780,000
7 Jun 2021
13,587
5 Mar 2021 Nicholas Themelis
Chief Information Officer
Sale 4,000 $478.01 $1,912,040
5 Mar 2021
17,587
7 Dec 2020 Nicholas Themelis
Chief Information Officer
Sale 4,000 $546.49 $2,185,960
7 Dec 2020
26,192
29 Oct 2020 Nicholas Themelis
Chief Information Officer
Option 17,262 $115.18 $1,988,237
29 Oct 2020
47,454
9 Sep 2020 Nicholas Themelis
Chief Information Officer
Sale 4,000 $456.91 $1,827,640
9 Sep 2020
30,192
8 May 2020 Nicholas Themelis
Chief Information Officer
Sale 4,000 $479.66 $1,918,640
8 May 2020
34,192
10 Feb 2020 Nicholas Themelis
Chief Information Officer
Sale 4,000 $342.01 $1,368,040
10 Feb 2020
38,451
8 Nov 2019 Nicholas Themelis
Chief Information Officer
Sale 4,000 $348.66 $1,394,640
8 Nov 2019
46,814
8 Aug 2019 Nicholas Themelis
Chief Information Officer
Sale 2,750 $347.39 $955,323
8 Aug 2019
50,814
26 Apr 2019 Nicholas Themelis
Chief Information Officer
Sale 1,489 $265.61 $395,493
26 Apr 2019
53,564
14 Aug 2018 Nicholas Themelis
Chief Information Officer
Sale 12,831 $186.51 $2,393,110
14 Aug 2018
41,896
9 Mar 2018 Nicholas Themelis
Chief Information Officer
Sale 5,400 $218.11 $1,177,794
9 Mar 2018
54,727
2 Nov 2017 Nicholas Themelis
Chief Information Officer
Option 4,000 $10.93 $43,720
2 Nov 2017
65,717
9 Jun 2017 Nicholas Themelis
Chief Information Officer
Option 5,596 $10.93 $61,164
9 Jun 2017
67,763
9 Feb 2017 Nicholas Themelis
Chief Information Officer
Option 10,468 $10.93 $114,415
9 Feb 2017
72,635
22 Aug 2016 Nicholas Themelis
Chief Information Officer
Sale 6,200 $165.40 $1,025,480
22 Aug 2016
65,054
3 Feb 2016 Nicholas Themelis
Chief Information Officer
Sale 10,683 $113.76 $1,215,298
3 Feb 2016
72,181
3 Feb 2016 Nicholas Themelis
Chief Information Officer
Sale 10,683 $113.76 $1,215,298
3 Feb 2016
72,181
9 Feb 2015 Nicholas Themelis
Chief Information Officer
Sale 9,919 $80.56 $799,075
9 Feb 2015
70,296
14 Jan 2015 Nicholas Themelis
Chief Information Officer
Option 25,835 $11.12 $287,285
14 Jan 2015
81,949
14 Nov 2014 Nicholas Themelis
Chief Information Officer
Option 2,538 $15.60 $39,593
14 Nov 2014
59,329
21 Aug 2014 Nicholas Themelis
Chief Information Officer
Sale 11,000 $57.58 $633,380
21 Aug 2014
56,791
19 Nov 2013 Nicholas Themelis
Chief Information Officer
Option 27,477 $12.96 $356,102
19 Nov 2013
70,944
16 May 2013 Nicholas Themelis
Chief Information Officer
Sale 17,000 $45.89 $780,130
16 May 2013
64,285
13 Dec 2012 Nicholas Themelis
Chief Information Officer
Option 41,749 $13.95 $582,399
13 Dec 2012
121,240
10 Dec 2012 Nicholas Themelis
Chief Information Officer
Option 58,251 $13.95 $812,601
10 Dec 2012
96,395
11 Jun 2012 Nicholas Themelis
Chief Information Officer
Sale 49,642 $30.25 $1,501,671
11 Jun 2012
69,491
4 Nov 2011 Nicholas Themelis
Chief Information Officer
Sale 98,070 $28.55 $2,799,899
4 Nov 2011
84,751
7 Mar 2011 Nicholas Themelis
Chief Information Officer
Sale 30,000 $22.15 $664,500
7 Mar 2011
100,347
12 Nov 2010 Nicholas Themelis
Chief Information Officer
Sale 25,000 $18.51 $462,750
12 Nov 2010
119,895
24 Feb 2010 Nicholas Themelis
Chief Information Officer
Sale 15,000 $15.17 $227,550
24 Feb 2010
144,895
3 Nov 2008 Nicholas Themelis
Chief Information Officer
Buy 8,000 $5.25 $42,000
3 Nov 2008
64,730


MarketAxess executives and stock owners

MarketAxess executives and other stock owners filed with the SEC include: