Form 13-F position report

ALTAIR ENGR INC

Reported by BlackRock Inc

Company profile Manager portfolio Source filing
ALTR CUSIP 021369103 Manager CIK 0001364742
Latest reported change

Reported 7,877,110 shares, up 2,594,123 (49.1%) from the prior quarter.

Reported value 69.8%; share count 49.1% vs. the prior quarter.

Added
% of reported 13F value 0.02% This manager · Q2 2024
Shares 7,877,110 Quarter-end amount reported
Reported value $772,586,951 Fair value at quarter end
Consecutive quarters held 27 Through Q2 2024

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Manager history

Quarterly position history

How this manager's reported quarter-end position changed over time.

15 quarters
Quarter Activity Shares Change % of reported 13F Reported value Filed
Q1 2025 Reduced 0 -7,478,856 (-100.0%) 0 $0 2025-05-02
Q4 2024 Reduced 7,478,856 -565,929 (-7.0%) 0.02% $816,017,977 2025-02-07
Q3 2024 New 8,044,785 +8,044,785 (0.0%) 0.02% $768,357,416 2024-11-13
Q2 2024 Added 7,877,110 +2,594,123 (49.1%) 0.02% $772,586,951 2024-08-13
Q1 2024 Added 5,282,987 +694,480 (15.1%) 0.01% $455,129,330 2024-05-10
Q4 2023 Added 4,588,507 +328,716 (7.7%) < 0.01% $386,122,864 2024-02-13
Q3 2023 Added 4,259,791 +71,933 (1.7%) < 0.01% $266,492,525 2023-11-13
Q2 2023 Added 4,187,858 +195,566 (4.9%) < 0.01% $317,607,151 2023-08-11
Q1 2023 Reduced 3,992,292 -64,172 (-1.6%) < 0.01% $287,884,178 2023-05-12
Q4 2022 Reduced 4,056,464 -606,103 (-13.0%) < 0.01% $184,447,417 2023-02-13
Q3 2022 Reduced 4,662,567 -354,148 (-7.1%) < 0.01% $206,179,000 2022-11-14
Q2 2022 Added 5,016,715 +137,571 (2.8%) < 0.01% $263,376,000 2022-08-12
Q1 2022 Added 4,879,144 +339,610 (7.5%) < 0.01% $314,217,000 2022-05-12
Q4 2021 Added 4,539,534 +235,385 (5.5%) < 0.01% $350,996,000 2022-02-10
Q3 2021 Reduced 4,304,149 -31,554 (-0.7%) < 0.01% $296,726,000 2021-11-09
Five years are shown. A free account unlocks the complete reported history. Unlock full history
Institutional context

Who else reported the position

287 managers reported ALTAIR ENGR INC for Q2 2024.

Manager Activity Shares Change % of reported 13F Reported value Tenure
Matrix Capital Management Company LP Unchanged 12,430,000 0 9.28% $1,219,134,400 20 qtrs
BlackRock Inc This report Added 7,877,110 +2,594,123 0.02% $772,586,951 27 qtrs
VANGUARD GROUP INC Added 6,300,946 +356,661 0.01% $617,996,783 27 qtrs
Conestoga Capital Advisors LLC Added 2,488,566 +48,485 3.66% $244,078,553 20 qtrs
Pictet Asset Management Holding SA Reduced 2,386,187 -236,802 0.27% $234,033,180 4 qtrs
STATE STREET CORPORATION Added 1,988,368 +733,672 < 0.01% $195,019,133 27 qtrs
Invesco Ltd Reduced 1,478,754 -87,484 0.03% $145,036,193 25 qtrs
Impax Asset Management Group plc Reduced 1,406,654 -252,795 0.56% $137,116,036 20 qtrs
BAMCO INC NY Unchanged 1,385,507 0 0.39% $135,890,527 27 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 1,370,792 +137,731 0.01% $134,472,439 27 qtrs
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Filing details and methodology As reported
Report period
June 30, 2024
Filed
August 13, 2024
Filing type
13F-HR
Position type
COM CL A

Voting authority reported

Sole
7,799,885
Shared
0
None
77,225

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.