Altair Engineering Inc

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Altair Engineering Inc
TickerALTR
CIK #0001701732
CUSIP021441100
SectorTechnology - Services-Prepackaged Software
Address1820 E Big Beaver Road, Troy, MI 48083
Source [EDGAR]
CIK Filing 2011 - 2025
[0001701732] 10-K
[0001701732] 10-Q
[0001701732] 3
[0001701732] 4
[0001701732] 8-K
[0001701732] D
[0001701732] SC 13D
[0001701732] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Matrix Capital Management Company LP Altair Engineering Inc [2020-02-14] 5.91
Conestoga Capital Advisors LLC Altair Engineering Inc [2020-01-17] 5.23
Vanguard Group Inc Altair Engineering Inc [2019-02-11] 8.08
BlackRock Inc Altair Engineering Inc [2019-02-08] 7.4
Altair Engineering Inc Datawatch Corp [2018-11-14] 14.3
Neuberger Berman Group LLC Altair Engineering Inc [2018-02-15] 5.27
Scapa James Ralph Altair Engineering Inc [2018-02-14] 43.2
BAMCO Inc /NY/ Altair Engineering Inc [2018-02-14] 7.82
Brink John R Altair Engineering Inc [2018-02-14] 5.3
Kistner Mark Altair Engineering Inc [2018-02-14] 0.2
Ramoo REGU R Altair Engineering Inc [2018-02-14] 5.3
Little Robert Blake Altair Engineering Inc [2018-02-14] 5.6
Christ George J Altair Engineering Inc [2018-02-14] 34.3
Form 3/4/5 Filer 2011 - 2025
Altair Engineering Inc.
Srikanth Mahalingam
Messano Amy
Marraccini Jeffrey
Christ George J
Scapa James Ralph
Christ Revocable Trust
Dias Nelson
Maitra Raoul
James R. Scapa Declaration of Trust
JRS Investments LLC
Earhart Stephen P
Anderson James Francis
Ayyar Shekar G
Boyce Mary Cunningham
Carter Sandra Ann
Harris Teresa A
GC Investments LLC
Gayle Brian
Buckner Stephanie
Saravia Gilma
Kunju Ravi
Brown Matthew Charles
Simon David L
Schramm Uwe
Chouinard Brett R
Dagg James
Kowal Jan
Hart Richard
Morof Howard N
Siudara Andrea
Nichols Martin E
Brancheau James E
Perring Tom Mark
Brennan Jeffrey M
Fariello Massimo Giuseppe
Ramoo Regu R
Little Robert Blake
Brink John R
Fonseka Gardihewa Upali
Form 13F Holdings
Firm Period DFND Voting Shares
Matrix Capital Management Company LP [2023-03-31] SOLE 11,174,200.0 11,174,200.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 5,061,605.0
BlackRock Inc. [2023-03-31] SOLE 3,924,413.0 3,992,292.0
Pictet Asset Management Sa [2023-03-31] DFND 1.0 3,683,768.0
Conestoga Capital Advisors LLC [2023-03-31] SOLE 0.0 2,370,624.0
Impax Asset Management Group plc [2023-03-31] DFND 1,761,274.0 2,162,771.0
BAMCO Inc /NY/ [2023-03-31] DFND 0.0 1,635,507.0
Morgan Stanley [2023-03-31] DFND 1,487,047.0 1,571,441.0
Invesco Ltd. [2023-03-31] DFND 0.0 1,505,863.0
Janus Henderson Group PLC [2023-03-31] DFND 0.0 1,446,355.0
AllianceBernstein LP [2023-03-31] DFND 1,330,855.0 1,402,719.0
State Street Corp [2023-03-31] DFND 964,884.0 1,106,412.0
Ameriprise Financial Inc [2023-03-31] DFND 0.0 1,079,043.0
Geode Capital Management LLC [2023-03-31] DFND 1,012,921.0 1,012,921.0
AXA Sa [2023-03-31] DFND 882,047.0 886,533.0
abrdn plc [2023-03-31] DFND 692,425.0 692,425.0
PRIMECAP Management Co/CA/ [2023-03-31] SOLE 539,450.0 539,450.0
Northern Trust Corp [2023-03-31] DFND 34,078.0 516,739.0
Credit Suisse AG [2023-03-31] DFND 476,381.0 505,127.0
Palisade Capital Management LP [2023-03-31] SOLE 326,432.0 458,601.0
Royal Bank of Canada [2023-03-31] DFND 116,891.0 436,486.0
Citadel Advisors LLC [2023-03-31] DFND 413,333.0 413,333.0
Charles Schwab Investment Management Inc [2023-03-31] SOLE 387,534.0 387,534.0
Fred Alger Management LLC [2023-03-31] SOLE 350,345.0 350,345.0
Federated Hermes Inc [2023-03-31] DFND 327,421.0 327,421.0
Dimensional Fund Advisors LP [2023-03-31] SOLE 277,894.0 320,134.0
Voya Investment Management LLC [2023-03-31] DFND 0.0 271,552.0
Neuberger Berman Group LLC [2023-03-31] DFND 221,501.0 224,069.0
Bank of New York Mellon Corp [2023-03-31] DFND 203,566.0 223,619.0
Nuveen Asset Management LLC [2023-03-31] DFND 201,790.0 201,790.0
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