AMTM AMENTUM HOLDINGS INC
COM
CUSIP: 023939101
FIGI: BBG01NY7B734
Institutional Holders492
Total Institutional Value$5,650,702,821
Total Shares Held207,621,048
Avg Position$11,485,168
Top 5 Holders %57.4%
Alpha-Weighted Score71.9
New Positions+67
Exited Positions-58
Top 15 Institutional Holders by Value
■ New ■ Increased ■ Decreased ■ Unchanged
Institutional Holders — Q4 25
| Manager | Alpha | Flow | Value | Shares | Change |
|---|---|---|---|---|---|
| AMERICAN SECURITIES LLC | Elite Conviction | Minimal Flow | $1,305,775,547 (23.1%) | 45,026,743 | 21.1% |
| Invesco Ltd. | Moderate Conviction | Market Mover | $633,186,097 (11.2%) | 21,834,003 | 19.5% |
| BLACKROCK FUNDING, INC. /DE | High Conviction | Market Mover | $506,313,859 (9.0%) | 17,459,099 | 17.5% |
| VANGUARD GROUP INC | High Conviction | Market Mover | $446,940,605 (7.9%) | 15,411,745 | 20.0% |
| PRIMECAP MANAGEMENT CO/CA/ | High Conviction | Significant Flow | $351,680,883 (6.2%) | 12,126,927 | 23.2% |
| FMR LLC | High Conviction | Market Mover | $194,511,815 (3.4%) | 6,707,304 | 30.3% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | High Conviction | Moderate Flow | $167,416,293 (3.0%) | 5,772,976 | 34.4% |
| STATE STREET CORP | High Conviction | Market Mover | $146,786,980 (2.6%) | 5,061,620 | -10.3% |
| M&T BANK CORP | High Conviction | Significant Flow | $145,529,628 (2.6%) | 472,903 | 71,071.3% |
| COLONY GROUP, LLC | High Conviction | Significant Flow | $81,038,102 (1.4%) | 2,794,417 | 10,287.0% |
| GEODE CAPITAL MANAGEMENT, LLC | High Conviction | Market Mover | $77,145,389 (1.4%) | 2,659,364 | 21.3% |
| RUANE, CUNNIFF & GOLDFARB L.P. | Elite Conviction | Low Flow | $69,429,741 (1.2%) | 2,394,129 | 19.6% |
| NORGES BANK | High Conviction | Market Mover | $66,528,813 (1.2%) | 2,294,097 | NEW |
| MORGAN STANLEY | Moderate Conviction | Market Mover | $60,185,252 (1.1%) | 2,075,352 | 39.1% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | High Conviction | Significant Flow | $56,895,904 (1.0%) | 1,961,927 | 14.1% |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | High Conviction | Market Mover | $56,608,065 (1.0%) | 1,952,002 | -21.7% |
| DIMENSIONAL FUND ADVISORS LP | High Conviction | Market Mover | $53,156,787 (0.9%) | 1,832,926 | 70.0% |
| ARVIN CAPITAL MANAGEMENT LP | High Conviction | Minimal Flow | $52,228,768 (0.9%) | 1,800,992 | 33.3% |
| AQR CAPITAL MANAGEMENT LLC | High Conviction | Market Mover | $42,109,421 (0.7%) | 1,452,049 | 964.3% |
| FIL LTD | High Conviction | Significant Flow | $41,452,136 (0.7%) | 1,429,384 | 11.0% |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC | Elite Conviction | Minimal Flow | $40,368,000 (0.7%) | 1,392,000 | 40.5% |
| EXODUSPOINT CAPITAL MANAGEMENT, LP | High Conviction | Significant Flow | $34,341,394 (0.6%) | 1,184,186 | 1,250.3% |
| BANK OF AMERICA CORP /DE/ | Moderate Conviction | Market Mover | $33,565,383 (0.6%) | 1,157,427 | -12.2% |
| VOYA INVESTMENT MANAGEMENT LLC | Moderate Conviction | Market Mover | $33,276,833 (0.6%) | 1,147,477 | 28.1% |
| LOOMIS SAYLES & CO L P | High Conviction | Significant Flow | $32,448,982 (0.6%) | 1,118,930 | 27.3% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Moderate Conviction | Market Mover | $29,809,100 (0.5%) | 1,027,900 | 100.1% |
| NORTHERN TRUST CORP | High Conviction | Market Mover | $27,636,333 (0.5%) | 952,977 | 22.4% |
| Bank of New York Mellon Corp | High Conviction | Market Mover | $26,740,816 (0.5%) | 922,097 | 28.9% |
| CACTI ASSET MANAGEMENT LLC | Elite Conviction | Minimal Flow | $25,745,406 (0.5%) | 881,692 | 33.1% |
| VERITION FUND MANAGEMENT LLC | High Conviction | Significant Flow | $25,089,988 (0.4%) | 865,172 | -7.8% |
| AVENIR CORP | Elite Conviction | Minimal Flow | $24,677,376 (0.4%) | 850,944 | 19.5% |
| 683 CAPITAL MANAGEMENT, LLC | High Conviction | Low Flow | $24,215,000 (0.4%) | 835,000 | -20.7% |
| Nuveen, LLC | High Conviction | Market Mover | $23,599,446 (0.4%) | 813,774 | 31.2% |
| PENN CAPITAL MANAGEMENT COMPANY, LLC | High Conviction | Low Flow | $21,629,913 (0.4%) | 743,937 | -6.2% |
| PRINCIPAL FINANCIAL GROUP INC | High Conviction | Market Mover | $21,124,006 (0.4%) | 728,414 | 19.9% |
| POINT72 ASSET MANAGEMENT, L.P. | Moderate Conviction | Market Mover | $20,163,323 (0.4%) | 695,287 | -39.0% |
| GOLDMAN SACHS GROUP INC | High Conviction | Market Mover | $18,680,588 (0.3%) | 644,158 | -6.7% |
| TWO SIGMA INVESTMENTS, LP | Moderate Conviction | Significant Flow | $18,501,594 (0.3%) | 637,986 | 93.6% |
| GOTHAM ASSET MANAGEMENT, LLC | High Conviction | Significant Flow | $18,427,470 (0.3%) | 635,430 | 214.3% |
| SEGRA CAPITAL MANAGEMENT, LLC | High Conviction | Minimal Flow | $17,539,490 (0.3%) | 604,810 | 75.6% |
| CAPTION MANAGEMENT, LLC | Moderate Conviction | Significant Flow | $16,141,400 (0.3%) | 556,600 | 1,539.8% |
| CITADEL ADVISORS LLC | Moderate Conviction | Market Mover | $15,993,123 (0.3%) | 551,487 | 58.2% |
| NEW YORK STATE COMMON RETIREMENT FUND | High Conviction | Market Mover | $15,521,322 (0.3%) | 535,218 | -71.2% |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | High Conviction | Significant Flow | $15,386,414 (0.3%) | 530,566 | 7.4% |
| ROYCE & ASSOCIATES LP | High Conviction | Moderate Flow | $14,363,294 (0.3%) | 495,286 | 32.0% |
| HYPERION CAPITAL ADVISORS LP | Elite Conviction | Minimal Flow | $14,264,288 (0.3%) | 491,872 | 41.8% |
| MOORE CAPITAL MANAGEMENT, LP | High Conviction | Moderate Flow | $13,784,106 (0.2%) | 475,314 | 41.3% |
| WELLS FARGO & COMPANY/MN | Moderate Conviction | Market Mover | $13,477,417 (0.2%) | 464,739 | 1,195.6% |
| RUSSELL INVESTMENTS GROUP, LTD. | Moderate Conviction | Market Mover | $12,673,688 (0.2%) | 437,016 | 82.8% |
| CI MUTUAL FUNDS INC | High Conviction | Significant Flow | $12,340,312 (0.2%) | 425,528 | 120,211.1% |
| PEAK6 LLC | Moderate Conviction | Significant Flow | $12,133,600 (0.2%) | 418,400 | 1,081.4% |
| ANCORA ADVISORS, LLC | High Conviction | Moderate Flow | $11,668,034 (0.2%) | 402,346 | 263.9% |
| VIDENT ADVISORY, LLC | Moderate Conviction | Significant Flow | $11,093,660 (0.2%) | 382,540 | - |
| FIRST TRUST ADVISORS LP | High Conviction | Market Mover | $10,957,084 (0.2%) | 377,828 | 1,085.5% |
| LEGAL & GENERAL GROUP PLC | High Conviction | Market Mover | $10,689,545 (0.2%) | 368,605 | 15.0% |
| ARISTOTLE CAPITAL BOSTON, LLC | High Conviction | Low Flow | $10,407,160 (0.2%) | 358,867 | 6.2% |
| AMERIPRISE FINANCIAL INC | Moderate Conviction | Market Mover | $9,819,364 (0.2%) | 338,599 | 15.2% |
| LEGACY ADVISORS, LLC | High Conviction | Low Flow | $9,814,597 (0.2%) | 9,814,289 | NEW |
| SWISS NATIONAL BANK | High Conviction | Market Mover | $9,041,939 (0.2%) | 311,791 | 23.2% |
| FAITHSHARES ADVISORS LLC | Moderate Conviction | Significant Flow | $9,005,109 (0.2%) | 310,521 | 40.6% |
| COMERICA BANK | High Conviction | Significant Flow | $8,745,373 (0.2%) | 301,564 | 16.8% |
| RHUMBLINE ADVISERS | High Conviction | Market Mover | $8,451,789 (0.1%) | 291,441 | 21.8% |
| GRIZZLYROCK CAPITAL, LLC | Elite Conviction | Minimal Flow | $8,268,277 (0.1%) | 285,113 | 21.9% |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | High Conviction | Significant Flow | $8,080,676 (0.1%) | 278,644 | 45.4% |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | High Conviction | Moderate Flow | $7,782,875 (0.1%) | 268,375 | 21.2% |
| BALYASNY ASSET MANAGEMENT LLC | Moderate Conviction | Market Mover | $7,771,971 (0.1%) | 267,999 | 801.2% |
| ROYAL BANK OF CANADA | High Conviction | Market Mover | $7,730,000 (0.1%) | 266,543 | -71.2% |
| UBS GLOBAL ASSET MANAGEMENT AMERICAS INC | Moderate Conviction | Market Mover | $7,337,464 (0.1%) | 253,016 | 10.2% |
| TWIN TREE MANAGEMENT, LP | Moderate Conviction | Significant Flow | $6,870,100 (0.1%) | 236,900 | NEW |
| AWH CAPITAL, L.P. | Elite Conviction | Minimal Flow | $6,822,250 (0.1%) | 235,250 | 21.1% |
| CENTERBOOK PARTNERS LP | High Conviction | Moderate Flow | $6,444,467 (0.1%) | 222,223 | -12.7% |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | High Conviction | Moderate Flow | $6,377,999 (0.1%) | 219,931 | 390.1% |
| SEI INVESTMENTS CO | High Conviction | Market Mover | $6,294,379 (0.1%) | 217,044 | 31.1% |
| UBS Group AG | Moderate Conviction | Market Mover | $5,976,958 (0.1%) | 206,102 | 8.0% |
| HUDSON VALUE PARTNERS, LLC | High Conviction | Minimal Flow | $5,504,149 (0.1%) | 187,993 | 23.7% |
| TELOS CAPITAL MANAGEMENT, INC. | High Conviction | Low Flow | $5,436,514 (0.1%) | 187,466 | 19.6% |
| FIRST NATIONAL BANK OF OMAHA | High Conviction | Moderate Flow | $5,206,609 (0.1%) | 177,700 | NEW |
| SOVIERO ASSET MANAGEMENT, LP | High Conviction | Minimal Flow | $5,162,000 (0.1%) | 178,000 | 39.1% |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | High Conviction | Significant Flow | $4,911,702 (0.1%) | 155,779 | 29.4% |
| RAYMOND JAMES FINANCIAL INC | Moderate Conviction | Market Mover | $4,873,311 (0.1%) | 168,045 | 46.0% |
| TWO SIGMA ADVISERS, LP | High Conviction | Significant Flow | $4,555,233 (0.1%) | 157,077 | 19.5% |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | High Conviction | Market Mover | $4,347,448 (0.1%) | 149,912 | 11.8% |
| QUBE RESEARCH & TECHNOLOGIES LTD | Moderate Conviction | Market Mover | $4,239,278 (0.1%) | 146,182 | NEW |
| PRUDENTIAL FINANCIAL INC | High Conviction | Significant Flow | $4,130,238 (0.1%) | 142,422 | 17.2% |
| TWINBEECH CAPITAL LP | Moderate Conviction | Moderate Flow | $3,986,137 (0.1%) | 137,453 | -25.3% |
| JANE STREET GROUP, LLC | Moderate Conviction | Market Mover | $3,535,361 (0.1%) | 121,909 | -65.0% |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | High Conviction | Significant Flow | $3,505,085 (0.1%) | 120,865 | 21.1% |
| SOROS FUND MANAGEMENT LLC | High Conviction | Moderate Flow | $3,169,787 (0.1%) | 109,303 | NEW |
| WALLEYE TRADING LLC | Moderate Conviction | Significant Flow | $3,010,200 (0.1%) | 103,800 | -33.9% |
| STATE OF WISCONSIN INVESTMENT BOARD | High Conviction | Significant Flow | $3,006,778 (0.1%) | 103,682 | 37.4% |
| WSFS CAPITAL MANAGEMENT, LLC | High Conviction | Low Flow | $2,956,521 (0.1%) | 101,949 | 55.0% |
| WINTON GROUP LTD | High Conviction | Moderate Flow | $2,942,021 (0.1%) | 101,449 | 130.0% |
| Blackstone Inc. | High Conviction | Moderate Flow | $2,889,647 (0.1%) | 99,643 | 145.7% |
| STATE OF NEW JERSEY COMMON PENSION FUND D | High Conviction | Significant Flow | $2,870,536 (0.1%) | 98,984 | 36.8% |
| NOMURA HOLDINGS INC | Moderate Conviction | Significant Flow | $2,726,000 (0.0%) | 94,000 | NEW |
| GAMCO INVESTORS, INC. ET AL | High Conviction | Moderate Flow | $2,663,969 (0.0%) | 91,861 | 11.6% |
| JPMORGAN CHASE & CO | High Conviction | Market Mover | $2,589,439 (0.0%) | 89,291 | -48.4% |
| LPL FINANCIAL LLC | High Conviction | Market Mover | $2,513,655 (0.0%) | 86,678 | 15.7% |
| BLAIR WILLIAM & CO/IL | High Conviction | Significant Flow | $2,318,985 (0.0%) | 79,965 | 91.2% |
| HOLOCENE ADVISORS, LP | High Conviction | Significant Flow | $2,300,309 (0.0%) | 79,321 | 109.6% |
Implied Institutional Price History
Estimated from 13F aggregate market value ÷ shares reported across all institutional filers. Reflects quarter-end snapshot, not actual trade prices.
| Quarter | Filers | Institutional Value | Shares Held | Est. Avg Price |
|---|---|---|---|---|
| Q4 25 | 477 | $5.65B | 207,621,214 | $27.22 |
| Q3 25 | 456 | $4.64B | 201,773,049 | $22.98 |
| Q1 25 | 409 | $3.42B | 199,622,115 | $17.14 |
| Q4 24 | 447 | $3.99B | 201,457,310 | $19.80 |
| Q3 24 | 485 | $3.24B | 105,464,405 | $30.70 |
Source: SEC 13F-HR filings. Implied price = aggregate market value ÷ shares reported. Not investment advice.