FundWatcher
DLBMX
MassMutual Small Cap Opportunities Fund
MASSMUTUAL PREMIER FUNDS

Portfolio moves

Net position changes between two of this fund's N-PORT snapshots. These are differences between point-in-time reports — not a trade log — and share counts can be affected by splits and other corporate actions.

Dec 31, 2025 → Mar 31, 2026

Expand a category to see the positions behind it, ranked by weight.

Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
FIXED INC CLEARING CORP.REPO 0 12,767,169 12,767,169 2.50% $12.77M
KONTOOR BRANDS INC 0 60,359 60,359 0.83% $4.24M
WEATHERFORD INTERNATIONAL PLC 0 43,824 43,824 0.81% $4.14M
FLUOR CORP 0 87,066 87,066 0.79% $4.06M
MANHATTAN ASSOCIATES INC 0 29,715 29,715 0.77% $3.96M
ARROWHEAD PHARMACEUTICALS INC 0 60,723 60,723 0.75% $3.81M
APPLIED OPTOELECTRONICS INC 0 36,399 36,399 0.60% $3.08M
CHEFS WAREHOUSE INC 0 50,311 50,311 0.59% $2.99M
KRATOS DEFENSE and SEC SOLTN INC 0 37,249 37,249 0.51% $2.63M
DUTCH BROS INC-A 0 50,308 50,308 0.50% $2.55M
ALUMIS INC 0 107,993 107,993 0.47% $2.38M
CUSHMAN and WAKEFIELD LTD 0 82,692 82,692 0.20% $1.01M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
HUB GROUP INC CL A 177,994 0 -177,994 0.00% -$7.58M
FIXED INC CLEARING CORP.REPO 7,120,429 0 -7,120,429 0.00% -$7.12M
STIFEL FINANCIAL CORP 45,010 0 -45,010 0.00% -$5.64M
ARTIVION INC 68,973 0 -68,973 0.00% -$3.15M
AEROVIRONMENT INC 12,680 0 -12,680 0.00% -$3.07M
WILLSCOT MOBILE MINI HOLDINGS CORP 153,720 0 -153,720 0.00% -$2.89M
SOLENO THERAPEUTICS INC 51,591 0 -51,591 0.00% -$2.39M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
AUTONATION INC 37,222 39,498 2,276 1.51% $26.78K
CHEESECAKE FACTORY INC 132,639 134,432 1,793 1.44% $664.54K
COMMERCIAL METALS CO 98,323 106,781 8,458 1.28% -$246.36K
GATES INDUSTRIAL CORP PLC 264,853 281,108 16,255 1.24% $669.46K
VISTEON CORP 66,199 67,239 1,040 1.20% -$169.38K
WYNDHAM HOTELS and RESORTS INC 63,909 67,817 3,908 1.08% $679.81K
SKYWARD SPECIALTY INSURANCE GROUP INC 91,957 126,044 34,087 1.08% $805.68K
ASGN INC 137,229 139,873 2,644 1.06% -$1.20M
BGC GROUP INC-A 536,979 546,028 9,049 1.05% $544.93K
SILGAN HOLDINGS INC 132,502 134,836 2,334 1.02% -$117.47K
AMERIS BANCORP 52,251 67,043 14,792 1.02% $1.35M
KB HOME 89,928 97,665 7,737 0.99% -$18.67K
PORTLAND GENERAL ELECTRIC CO 88,825 94,255 5,430 0.97% $711.12K
CHESAPEAKE UTILITIES CORP 33,961 34,725 764 0.86% $151.22K
ADAPTIVE BIOTECHNOLOGIES CORP 204,867 287,848 82,981 0.78% $668.29K
KORN FERRY 58,815 62,410 3,595 0.77% $45.74K
EAGLE MATERIALS INC 11,882 19,855 7,973 0.74% $1.31M
MIAMI INTERNATIONAL HOLDINGS INC 63,882 93,020 29,138 0.71% $785.26K
DEFINITY FINANCI 68,990 72,636 3,646 0.67% -$397.01K
NEKTAR THERAPEUTICS 39,615 42,037 2,422 0.59% $1.35M
ADDUS HOMECARE CORP 30,815 31,539 724 0.58% -$355.60K
MARQETA INC CL A 710,502 720,134 9,632 0.57% -$436.74K
COLLEGIUM PHARMACEUTICAL INC 63,035 81,400 18,365 0.53% -$226.62K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
AMERICAN HEALTHCARE REIT INC 225,709 200,173 -25,536 1.85% -$1.18M
BRIGHTSPRING HEALTH SERVICES INC 233,935 212,253 -21,682 1.77% $283.23K
HELMERICH & PAYN 289,998 250,802 -39,196 1.77% $719.25K
KODIAK GAS SERVICES INC 198,440 153,458 -44,982 1.75% $1.53M
BRIDGEBIO PHARMA INC 110,907 99,894 -11,013 1.45% -$1.07M
LATTICE SEMICONDUCTOR CORP 92,138 79,110 -13,028 1.44% $558.73K
SILICON LABS 40,508 33,723 -6,785 1.37% $1.73M
ALLEGRO MICROSYSTEMS INC 231,929 194,348 -37,581 1.20% $9.51K
MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC 45,639 26,784 -18,855 1.16% -$1.87M
STEVEN MADDEN LTD 179,295 155,367 -23,928 1.03% -$2.20M
TWIST BIOSCIENCE CORP 116,231 98,935 -17,296 0.92% $1.01M
WSFS FINANCIAL CORP 81,316 66,081 -15,235 0.85% -$166.23K
FEDERATED HERMES INC 93,351 66,160 -27,191 0.73% -$1.11M
ATI INC 49,950 25,711 -24,239 0.73% -$1.99M
BANK OF NT BUTTERFIELD & SON LTD/THE 90,653 67,348 -23,305 0.69% -$981.91K
TARSUS PHARMACEUTICALS INC 69,378 42,918 -26,460 0.59% -$2.67M
UNITY SOFTWARE INC 145,336 113,073 -32,263 0.49% -$3.94M
ADMA BIOLOGICS INC 516,628 227,136 -289,492 0.40% -$7.38M
UPWORK INC 294,918 121,238 -173,680 0.26% -$4.52M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
ENPRO INDUSTRIES INC 42,720 42,720 0 2.10% $1.56M
COLUMBIA BANKING SYSTEMS INC 324,682 324,682 0 1.74% -$168.83K
NORTHERN OIL AND GAS INC 296,413 296,413 0 1.70% $2.30M
WINTRUST FINL 61,072 61,072 0 1.66% -$53.74K
OUTFRONT MEDIA INC 314,280 314,280 0 1.63% $754.27K
ESSENTIAL PROPERTIES REALTY TRUST INC 271,195 271,195 0 1.61% $189.84K
ZURN ELKAY WATER SOLUTIONS CORP 178,290 178,290 0 1.56% -$294.18K
GUARDANT HEALTH INC 85,179 85,179 0 1.54% -$832.20K
AAR CORP 68,318 68,318 0 1.46% $1.82M
WEBSTER FINL 107,567 107,567 0 1.46% $697.03K
ATMUS FILTRATION TECHNOLOGIES INC 129,181 129,181 0 1.44% $627.82K
TERRENO REALTY CORP 113,977 113,977 0 1.37% $308.88K
CATHAY GENERAL BANCORP 140,075 140,075 0 1.37% $205.91K
PENNYMAC FINANCIAL SERVICES INC 79,749 79,749 0 1.36% -$3.54M
BELDEN INC 60,339 60,339 0 1.36% -$103.78K
ESAB CORP 66,221 66,221 0 1.25% -$997.29K
MKS INSTRUMENTS INC 27,513 27,513 0 1.24% $1.93M
CASELLA WASTE SYS INC CL A 79,540 79,540 0 1.23% -$1.48M
BLOOM ENERGY CORP CL A 45,426 45,426 0 1.20% $2.21M
ALLISON TRANSMISSION HLDGS INC 52,411 52,411 0 1.20% $1.00M
BANC OF CALIFORNIA INC 338,790 338,790 0 1.17% -$579.33K
SANMINA CORP 45,247 45,247 0 1.15% -$924.40K
ITRON INC 60,049 60,049 0 1.05% -$193.96K
DORMAN PRODUCTS INC 51,123 51,123 0 1.04% -$962.65K
SKYLINE CHAMPION CORP 69,825 69,825 0 1.02% -$707.33K
FED SIGNAL CORP 45,651 45,651 0 0.97% -$20.54K
STRIDE INC 50,259 50,259 0 0.87% $1.17M
RALLIANT CORP 104,018 104,018 0 0.85% -$969.45K
AGCO CORP 37,294 37,294 0 0.85% $430.75K
ENCOMPASS HEALTH CORP 43,572 43,572 0 0.82% -$410.01K
UNITED COMMUNITY BANKS GA 129,397 129,397 0 0.80% $34.94K
REPLIGEN CORP 32,137 32,137 0 0.74% -$1.48M
BIOLIFE SOLUTIONS INC 198,334 198,334 0 0.74% -$1.01M
LIFE TIME GROUP HOLDINGS INC 134,097 134,097 0 0.71% $48.27K
HAYWARD HOLDINGS INC 269,083 269,083 0 0.70% -$557.00K
BADGER METER INC 21,638 21,638 0 0.65% -$477.33K
OCEANFIRST FINL 181,349 181,349 0 0.64% $16.32K
INTERPARFUMS INC 32,394 32,394 0 0.58% $194.69K
CREDO TECHNOLOGY GROUP HOLDING LTD 31,322 31,322 0 0.58% -$1.57M
COEUR MINING INC 148,443 148,443 0 0.55% $139.54K
PAYMENTUS HOLDINGS INC CL A 96,087 96,087 0 0.48% -$594.78K
BULLISH 68,160 68,160 0 0.48% -$145.86K
RAMBUS INC 28,102 28,102 0 0.47% -$164.68K
MP MATERIALS CORP 49,698 49,698 0 0.47% -$112.32K
BRIGHT HORIZONS FAMILY SOLUTIONS INC 26,343 26,343 0 0.42% -$507.63K
LUMEXA IMAGING H 138,964 138,964 0 0.23% -$1.38M

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