AMG Frontier Small Cap Growth Fund
Schedule of Portfolio Investments (unaudited)
July 31, 2025
  Shares Value
Common Stocks - 98.5%    
Communication Services - 0.6%    
Magnite, Inc.*,1 20,627 $474,627
Consumer Discretionary - 10.7%    
Bright Horizons Family Solutions, Inc.* 2,257 255,267
Burlington Stores, Inc.* 40 10,918
Caesars Entertainment, Inc.* 40,474 1,079,846
Garrett Motion, Inc. (Switzerland) 36,952 481,854
Genius Sports, Ltd. (United Kingdom)* 68,270 768,038
LCI Industries 7,358 699,010
Life Time Group Holdings, Inc.* 55,329 1,589,049
Lithia Motors, Inc. 1,476 425,088
Mattel, Inc.* 66,174 1,125,620
Modine Manufacturing Co.* 3,820 514,019
Planet Fitness, Inc., Class A* 9,661 1,054,885
Rush Street Interactive, Inc.* 17,865 360,158
Stride, Inc.* 2,034 260,820
Sweetgreen, Inc., Class A* 26,530 341,706
     
Total Consumer Discretionary   8,966,278
Consumer Staples - 3.3%    
BJ's Wholesale Club Holdings, Inc.* 3,449 365,249
Darling Ingredients, Inc.* 53,102 1,719,443
Oddity Tech, Ltd., Class A (Israel)* 9,186 643,663
     
Total Consumer Staples   2,728,355
Energy - 0.9%    
International Seaways, Inc. 8,795 350,921
TETRA Technologies, Inc.* 37,084 152,044
Tidewater, Inc.* 5,784 289,258
     
Total Energy   792,223
Financials - 6.8%    
The Carlyle Group, Inc. 20,829 1,263,487
DigitalBridge Group, Inc. 104,752 1,125,037
NMI Holdings, Inc.* 2,953 110,206
Popular, Inc. (Puerto Rico) 11,758 1,347,232
Renasant Corp. 13,787 505,156
Selective Insurance Group, Inc. 4,061 316,636
Toast, Inc., Class A* 9,166 447,667
Triumph Financial, Inc.* 9,760 553,587
     
Total Financials   5,669,008
Health Care - 8.9%    
Apogee Therapeutics, Inc.* 12,409 474,768
Avantor, Inc.* 30,595 411,197
Axsome Therapeutics, Inc.* 1,189 120,541
  Shares Value
     
Bridgebio Pharma, Inc.*,1 10,542 $498,320
Dyne Therapeutics, Inc.* 27,781 273,643
Evolus, Inc.* 48,979 436,893
Insmed, Inc.* 1,192 127,878
Inspire Medical Systems, Inc.* 9,952 1,239,422
Insulet Corp.* 36 10,382
Kymera Therapeutics, Inc.* 16,143 706,256
Lantheus Holdings, Inc.*,1 5,698 405,641
Natera, Inc.* 113 15,104
Novocure, Ltd. (Jersey)* 8,777 101,550
PROCEPT BioRobotics Corp.*,1 7,251 351,746
Stevanato Group S.p.A. (Italy) 6,470 159,874
Tempus AI, Inc.*,1 11,742 664,480
TransMedics Group, Inc.*,1 2,334 277,676
Ultragenyx Pharmaceutical, Inc.* 17,348 473,947
United Therapeutics Corp.* 237 65,104
Vericel Corp.* 5,450 190,423
Viking Therapeutics, Inc.*,1 14,229 463,438
     
Total Health Care   7,468,283
Industrials - 28.7%    
ACV Auctions, Inc., Class A* 3,561 50,602
AGCO Corp. 12,610 1,487,602
Alaska Air Group, Inc.* 34,855 1,845,921
Amentum Holdings, Inc.* 89,477 2,234,241
ATI, Inc.* 8,176 629,061
Atmus Filtration Technologies, Inc. 9,046 351,980
Builders FirstSource, Inc.* 10,323 1,312,363
BWX Technologies, Inc. 1,765 268,157
Byrna Technologies, Inc.*,1 4,118 91,461
CACI International, Inc., Class A* 93 42,833
Chart Industries, Inc.* 6,011 1,195,167
Enovix Corp.*,1 22,573 302,478
Fluor Corp.* 15,385 873,407
FTAI Aviation, Ltd. 9,630 1,325,184
FTAI Infrastructure, Inc. 100,227 628,423
Granite Construction, Inc.1 18,419 1,740,043
Hexcel Corp. 21,440 1,284,470
Intuitive Machines, Inc.*,1 23,309 260,128
Knight-Swift Transportation Holdings, Inc. 24,968 1,061,140
Kratos Defense & Security Solutions, Inc.* 3,273 192,125
Parsons Corp.* 14,966 1,110,477
Regal Rexnord Corp. 10,930 1,670,978
RXO, Inc.* 26,791 413,921


1

AMG Frontier Small Cap Growth Fund
Schedule of Portfolio Investments (continued)
  Shares Value
Industrials - 28.7% (continued)    
Saia, Inc.* 3,984 $1,204,124
Shoals Technologies Group, Inc., Class A* 33,701 181,648
Sterling Infrastructure, Inc.* 2,679 716,874
Sun Country Airlines Holdings, Inc.* 84,910 984,107
Symbotic, Inc.* 360 19,422
The Timken Co. 7,642 581,480
     
Total Industrials   24,059,817
Information Technology - 29.9%    
Astera Labs, Inc.* 1,337 182,808
BILL Holdings, Inc.* 1,548 66,332
Cognex Corp. 17,164 699,776
Coherent Corp.* 22,167 2,385,169
Confluent, Inc., Class A* 453 8,029
Credo Technology Group Holding, Ltd.* 11,640 1,298,442
DigitalOcean Holdings, Inc.* 10,968 305,569
Dolby Laboratories, Inc., Class A 15,157 1,141,928
Elastic, N.V.* 102 8,537
Entegris, Inc. 23,648 1,855,422
Guidewire Software, Inc.* 51 11,537
indie Semiconductor, Inc., Class A*,1 406,118 1,587,921
Kyndryl Holdings, Inc.* 26,673 1,007,439
Lattice Semiconductor Corp.* 8,081 402,676
MaxLinear, Inc.* 974 15,409
MKS, Inc. 14,313 1,362,311
MongoDB, Inc.* 6,564 1,561,510
Monolithic Power Systems, Inc. 823 585,351
Okta, Inc.* 132 12,910
Pagaya Technologies, Ltd., Class A*,1 56,149 1,687,278
Procore Technologies, Inc.* 9,157 655,916
Pure Storage, Inc., Class A* 4,395 261,590
Sanmina Corp.* 13,689 1,588,472
Silicon Motion Technology Corp., ADR (Taiwan) 34,482 2,639,252
Teradyne, Inc. 12,615 1,355,230
Ultra Clean Holdings, Inc.* 33,913 763,721
Unity Software, Inc.* 7,609 253,836
Weave Communications, Inc.* 72,828 531,644
Zeta Global Holdings Corp., Class A* 52,130 815,835
     
Total Information Technology   25,051,850
Materials - 4.5%    
Carpenter Technology Corp. 1,850 461,371
Eagle Materials, Inc. 10,338 2,318,710
ERO Copper Corp. (Canada)* 25,715 347,667
  Shares Value
     
Hecla Mining Co. 42,956 $246,567
MP Materials Corp.*,1 2,233 137,330
Ryerson Holding Corp. 12,562 258,777
     
Total Materials   3,770,422
Real Estate - 4.2%    
Agree Realty Corp., REIT 1 9,143 655,553
Cushman & Wakefield PLC* 79,389 967,752
Essential Properties Realty Trust, Inc., REIT 1 20,771 633,308
Independence Realty Trust, Inc., REIT 21,034 352,740
Sila Realty Trust, Inc., REIT 1 24,269 593,134
STAG Industrial, Inc., REIT 8,845 303,649
     
Total Real Estate   3,506,136
     
Total Common Stocks
(Cost $72,979,023)
  82,486,999
Warrants - 0.0%#    
Industrials - 0.0%#    
Enovix Corp., 07/08/30*
(Cost $15,060)
3,211 14,996
    
  Principal
Amount
 
Short-Term Investments - 5.2%    
Joint Repurchase Agreements - 5.0%2    
Citadel Securities LLC, dated 07/31/25, due 08/01/25, 4.430% total to be received $1,046,840 (collateralized by various U.S. Treasuries, 0.000% - 5.000%, 08/14/25 - 05/15/55, totaling $1,067,777) $1,046,711 1,046,711
Daiwa Capital Markets America, dated 07/31/25, due 08/01/25, 4.370% total to be received $1,000,121 (collateralized by various U.S. Government Agency Obligations and U.S. Treasuries, 0.000% - 7.500%, 08/21/25 - 07/20/65, totaling $1,020,000) 1,000,000 1,000,000
HSBC Securities USA, Inc., dated 07/31/25, due 08/01/25, 4.360% total to be received $98,198 (collateralized by various U.S. Treasuries, 0.000% - 4.000%, 04/15/27 - 11/15/54, totaling $100,150) 98,186 98,186
JPMorgan Securities LLC, dated 07/31/25, due 08/01/25, 4.360% total to be received $440,804 (collateralized by various U.S. Treasuries, 0.125% - 4.750%, 02/15/41 - 08/15/52, totaling $449,566) 440,751 440,751
Natwest Markets Securities, Inc., dated 07/31/25, due 08/01/25, 4.360% total to be received $601,394 (collateralized by various U.S. Treasuries, 2.875% - 4.625%, 04/30/29 - 05/15/32, totaling $613,348) 601,321 601,321


2

AMG Frontier Small Cap Growth Fund
Schedule of Portfolio Investments (continued)
  Principal
Amount
Value
Joint Repurchase Agreements - 5.0%2
(continued)
   
State of Wisconsin Investment Board, dated 07/31/25, due 08/01/25, 4.450% total to be received $1,000,124 (collateralized by various U.S. Treasuries, 0.125% - 3.875%, 10/15/26 - 02/15/54, totaling $1,017,285) $1,000,000 $1,000,000
     
Total Joint Repurchase Agreements   4,186,969
    
  Shares  
Other Investment Companies - 0.2%    
Dreyfus Government Cash Management Fund, Institutional Shares, 4.20%3 61,215 61,215
Dreyfus Institutional Preferred Government Money Market Fund, Institutional Shares, 4.28%3 91,822 91,822
     
Total Other Investment Companies   153,037
     
Total Short-Term Investments
(Cost $4,340,006)
  4,340,006
    Value
     
Total Investments - 103.7%
(Cost $77,334,089)
   $86,842,001
Other Assets, less Liabilities - (3.7)%    (3,104,806)
Net Assets - 100.0%   $83,737,195

* Non-income producing security.
# Less than 0.05%.
1 Some of these securities, amounting to $7,677,457 or 9.2% of net assets, were out on loan to various borrowers and are collateralized by cash and various U.S. Treasury Obligations. See below for more information.
2 Cash collateral received for securities lending activity was invested in these joint repurchase agreements.
3 Yield shown represents the July 31, 2025, seven day average yield, which refers to the sum of the previous seven days' dividends paid, expressed as an annual percentage.
    
ADR American Depositary Receipt
REIT Real Estate Investment Trust
The following table summarizes the inputs used to value the Fund's investments by the fair value hierarchy levels as of July 31, 2025:
  Level 1   Level 2   Level 3   Total
Investments in Securities
Common Stocks  $82,486,999    —    —    $82,486,999
Warrants  14,996    —    —    14,996
Short-Term Investments
Joint Repurchase Agreements  —    $4,186,969    —    4,186,969
Other Investment Companies  153,037    —    —    153,037
Total Investments in Securities $82,655,032   $4,186,969     $86,842,001
    
 
All common stocks and warrants held in the Fund are Level 1 securities. For a detailed breakout of common stocks and warrants by major industry classification, please refer to the Fund's Schedule of Portfolio Investments.
For the period ended July 31, 2025, there were no transfers in or out of Level 3.
The Fund participates in the securities lending program offered by The Bank of New York Mellon providing for the lending of securities to qualified brokers. The value of securities loaned on positions held, cash collateral and securities collateral received at July 31, 2025, were as follows:
  Securities
Loaned
Cash
Collateral
Received
Securities
Collateral
Received
Total
Collateral
Received
   $7,677,457  $4,186,969  $3,769,036  $7,956,005

3

AMG Frontier Small Cap Growth Fund
Schedule of Portfolio Investments (continued)
The following table summarizes the securities received as collateral for securities lending at July 31, 2025:
  Collateral
Type
Coupon
Range
Maturity
Date Range
  U.S. Treasury Obligations 0.000%-6.250% 08/12/25-05/15/54
For additional information about significant accounting policies, including valuation of investments, refer to the Fund’s most recent semi or annual report.

4