Data › Fund holdings › Every fund › Congress Asset Management Co.

Congress Asset Management Co.

Form 13F · CIK 897378. Holdings on 30 Sep 2026, as filed with the SEC on 6 Oct 2026, each set beside the June 2026 quarter. The 13F on the SEC's site.

Congress Asset Management Co. reported 405 positions worth $15.4B for the September 2026 quarter, on a Form 13F filed 6 Oct 2026; the largest holding was NVIDIA Corp., at 3.8% of the fund.

What it bought and sold

The largest moves since the June 2026 quarter, by the dollars that moved: 49 opened, 163 added, 170 trimmed, 20 sold out.

New position: 49

CompanyValueChange in shares
CrowdStrike Holdings, Inc. (CRWD)$93.0M+351,357
Veracyte, Inc. (VCYT)$90.0M+1,954,198
Clear Secure, Inc. (YOU)$78.8M+1,879,457
Medtronic plc (MDT)$76.2M+883,081
Lumentum Holdings Inc. (LITE)$69.1M+71,116
Bel Fuse Inc. (BELFB)$63.1M+258,484
Materion Corp. (MTRN)$51.8M+192,274
Ventas, Inc. (VTR)$42.7M+502,287
Williams Sonoma Inc. (WSM)$32.7M+143,631
Royalty Pharma plc (RPRX)$30.8M+527,094

Added: 163

CompanyValueChange in shares
Halozyme Therapeutics, Inc. (HALO)$251.9M+1,052,509
Tesla, Inc. (TSLA)$73.2M+204,745
Alphabet Inc. (GOOGL)$425.0M+215,004
Repligen Corp. (RGEN)$196.2M+8,681
Micron Technology Inc. (MU)$126.2M+58,922
Plexus Corp. (PLXS)$82.3M+211,663
Rubrik, Inc. (RBRK)$81.9M+175,866
Imax Corp. (IMAX)$139.3M+4,466
Boot Barn Holdings, Inc. (BOOT)$96.9M+7,040
InterDigital, Inc. (IDCC)$149.4M+36,620

Trimmed: 170

CompanyValueChange in shares
Modine Manufacturing Co. (MOD)$1.0M-623,785
Sterling Infrastructure, Inc. (STRL)$33.1M-163,144
TKO Group Holdings, Inc. (TKO)$29.0M-545,606
O'Reilly Automotive, Inc. (ORLY)$23.2M-1,198,825
Microsoft Corp. (MSFT)$411.0M-14,089
Intuitive Surgical Inc. (ISRG)$13.5M-267,849
Credo Technology Group Holding Ltd. (CRDO)$25.0M-329,838
Uber Technologies, Inc. (UBER)$294.0K-1,337,535
Viking Holdings Ltd (VIK)$1.0M-814,533
GE Vernova Inc. (GEV)$150.5M-34,344

Sold out: 20

CompanyValue a quarter beforeChange in shares
Universal Technical Institute Inc. (UTI)$128.3M-3,000,595
Kulicke & Soffa Industries Inc. (KLIC)$117.4M-878,002
Alnylam Pharmaceuticals, Inc. (ALNY)$80.0M-265,701
D.R. Horton, Inc. (DHI)$37.8M-232,121
Celsius Holdings, Inc. (CELH)$13.9M-476,163
Hawaiian Electric Industries Inc. (HE)$13.5M-996,265
BWX Technologies, Inc. (BWXT)$8.4M-43,408
Primoris Services Corp. (PRIM)$589.0K-5,942
Take-Two Interactive Software, Inc. (TTWO)$455.7K-1,823
Vanguard Index FDS (VOT)$410.7K-1,341

Largest holdings

The 100 largest of 405, by value.

CompanyValueOf the fundSharesChange in sharesMove
NVIDIA Corp. (NVDA)$587.3M3.81%2,571,429-56,518Trimmed
Apple Inc. (AAPL)$530.9M3.45%1,594,177-15,569Trimmed
Alphabet Inc. (GOOGL)$425.0M2.76%1,235,195+215,004Added
Microsoft Corp. (MSFT)$411.0M2.67%801,234-14,089Trimmed
Broadcom Inc. (AVGO)$288.3M1.87%821,013+82,707Added
Halozyme Therapeutics, Inc. (HALO)$251.9M1.64%2,281,615+1,052,509Added
Arista Networks, Inc. (ANET)$213.7M1.39%1,049,467-127,139Trimmed
Ligand Pharmaceuticals Inc. (LGND)$205.7M1.33%658,556-1,355Trimmed
Meta Platforms, Inc. (META)$203.7M1.32%280,895-11,308Trimmed
Repligen Corp. (RGEN)$196.2M1.27%1,020,907+8,681Added
Visa Inc. (V)$187.6M1.22%522,219-141,300Trimmed
Amazon.com Inc. (AMZN)$184.6M1.20%741,049+7,206Added
Costco Wholesale Corp. (COST)$183.0M1.19%201,044-7,807Trimmed
Amphenol Corp. (APH)$181.0M1.18%2,147,483-294,159Trimmed
MongoDB, Inc. (MDB)$175.1M1.14%502,346-8,881Trimmed
UFP Technologies Inc. (UFPT)$171.8M1.11%578,770-108,669Trimmed
Eaton Corp. plc (ETN)$169.3M1.10%393,986-19,091Trimmed
ASML Holding N.V. (ASML)$162.2M1.05%89,548+1,283Added
Welltower Inc. (WELL)$160.4M1.04%696,783-24,818Trimmed
Moog Inc. (MOGA)$154.0M1.00%403,781-2,543Trimmed
GE Vernova Inc. (GEV)$150.5M0.98%158,328-34,344Trimmed
InterDigital, Inc. (IDCC)$149.4M0.97%458,053+36,620Added
TG Therapeutics, Inc. (TGTX)$145.4M0.94%2,606,516+6,393Added
Eli Lilly & Co. (LLY)$144.1M0.94%124,514+1,454Added
Parker-Hannifin Corp. (PH)$139.6M0.91%146,145-6,717Trimmed
Novanta Inc. (NOVT)$139.3M0.90%979,842+6,075Added
Imax Corp. (IMAX)$139.3M0.90%2,541,756+4,466Added
JFrog Ltd. (FROG)$137.8M0.90%1,420,301+178,310Added
Howmet Aerospace Inc. (HWM)$134.9M0.88%596,554-25,889Trimmed
Enpro Inc. (NPO)$132.0M0.86%430,984-2,128Trimmed
Brinker International, Inc. (EAT)$130.0M0.84%671,777-13,571Trimmed
Interactive Brokers Group, Inc. (IBKR)$128.3M0.83%1,502,435-25,304Trimmed
Goldman Sachs Group Inc. (GS)$126.7M0.82%140,701-41,392Trimmed
Micron Technology Inc. (MU)$126.2M0.82%118,460+58,922Added
TJX Companies Inc. (TJX)$124.8M0.81%943,136+18,673Added
Sensient Technologies Corp. (SXT)$121.8M0.79%932,079+1,740Added
Ecolab Inc. (ECL)$119.4M0.78%434,723-20,241Trimmed
Commvault Systems Inc. (CVLT)$117.5M0.76%783,667-139,399Trimmed
LivaNova plc (LIVN)$115.0M0.75%1,502,802+558Held
Williams Companies, Inc. (WMB)$114.1M0.74%1,678,477-69,419Trimmed
Arm Holdings plc (ARM)$112.7M0.73%389,126-19,923Trimmed
Merit Medical Systems Inc. (MMSI)$108.7M0.71%1,260,675+76,338Added
Shopify Inc. (SHOP)$108.4M0.70%730,843-33,758Trimmed
Champion Homes, Inc. (SKY)$104.8M0.68%1,222,557+9,597Added
Hilton Worldwide Holdings Inc. (HLT)$104.6M0.68%328,708-16,544Trimmed
PJT Partners Inc. (PJT)$104.0M0.68%728,580+5,106Added
Vericel Corp. (VCEL)$102.4M0.67%2,552,066-364,229Trimmed
nVent Electric plc (NVT)$100.4M0.65%626,243-357,632Trimmed
Monolithic Power Systems, Inc. (MPWR)$100.2M0.65%74,381-6,044Trimmed
Kirby Corp. (KEX)$99.9M0.65%761,099+57,371Added
Federal Signal Corp. (FSS)$99.1M0.64%894,846+168,708Added
Boot Barn Holdings, Inc. (BOOT)$96.9M0.63%804,659+7,040Added
Atlantic Union Bankshares Corp. (AUB)$96.1M0.62%2,531,692+30,528Added
Ameris Bancorp (ABCB)$95.7M0.62%1,202,889+10,619Added
Palantir Technologies Inc. (PLTR)$94.8M0.61%506,678-6,313Trimmed
Texas Instruments Inc. (TXN)$94.0M0.61%335,540+70,318Added
CrowdStrike Holdings, Inc. (CRWD)$93.0M0.60%351,357+351,357New position
IDEXX Laboratories Inc. (IDXX)$91.7M0.59%175,592-14,601Trimmed
Veracyte, Inc. (VCYT)$90.0M0.58%1,954,198+1,954,198New position
Moody's Corp. (MCO)$88.6M0.57%195,064-10,260Trimmed
CSW Industrials, Inc. (CSW)$86.9M0.56%301,580+1,074Added
Quanta Services, Inc. (PWR)$86.5M0.56%134,630-28,706Trimmed
Mirion Technologies, Inc. (MIR)$85.2M0.55%6,034,528-650,906Trimmed
ACI Worldwide, Inc. (ACIW)$84.9M0.55%1,737,223+144,917Added
AeroVironment Inc. (AVAV)$84.6M0.55%595,134+99,494Added
Curtiss Wright Corp. (CW)$84.4M0.55%155,176-43,582Trimmed
Balchem Corp. (BCPC)$83.0M0.54%502,951+380Held
Plexus Corp. (PLXS)$82.3M0.53%315,396+211,663Added
Rubrik, Inc. (RBRK)$81.9M0.53%715,550+175,866Added
Lemaitre Vascular Inc. (LMAT)$79.4M0.52%961,514-2,192Trimmed
Clear Secure, Inc. (YOU)$78.8M0.51%1,879,457+1,879,457New position
Archrock, Inc. (AROC)$76.7M0.50%2,532,464+319,256Added
Emcor Group, Inc. (EME)$76.6M0.50%101,518-3,579Trimmed
Cloudflare, Inc. (NET)$76.4M0.50%220,097-6,824Trimmed
Medtronic plc (MDT)$76.2M0.49%883,081+883,081New position
Tesla, Inc. (TSLA)$73.2M0.47%206,310+204,745Added
Tapestry, Inc. (TPR)$72.5M0.47%629,789-20,565Trimmed
Raymond James Financial Inc. (RJF)$71.5M0.46%452,328-7,900Trimmed
Vita Coco Company, Inc. (COCO)$71.0M0.46%1,240,321+33,219Added
Datadog, Inc. (DDOG)$69.2M0.45%252,607-8,416Trimmed
Lumentum Holdings Inc. (LITE)$69.1M0.45%71,116+71,116New position
Crane Co. (CR)$67.3M0.44%329,833-53,077Trimmed
CarGurus, Inc. (CARG)$66.2M0.43%2,125,686+149,338Added
JBT Marel Corp. (JBTM)$63.1M0.41%598,050-5,972Trimmed
Bel Fuse Inc. (BELFB)$63.1M0.41%258,484+258,484New position
Heico Corp. (HEI)$62.0M0.40%204,653-6,102Trimmed
Axon Enterprise, Inc. (AXON)$57.0M0.37%134,878-3,944Trimmed
Casey's General Stores, Inc. (CASY)$57.0M0.37%93,641-21,176Trimmed
Crane Nxt, Co. (CXT)$55.8M0.36%1,185,663+19,402Added
Materion Corp. (MTRN)$51.8M0.34%192,274+192,274New position
Toast, Inc. (TOST)$50.9M0.33%1,755,072+555,568Added
Fastenal Co. (FAST)$50.8M0.33%1,024,675-25,447Trimmed
Dell Technologies Inc. (DELL)$49.0M0.32%91,101-3,574Trimmed
ROSS Stores, Inc. (ROST)$48.4M0.31%207,212-5,356Trimmed
Encompass Health Corp. (EHC)$48.2M0.31%396,336-9,785Trimmed
UMB Financial Corp. (UMBF)$47.5M0.31%365,186-31,461Trimmed
Power Integrations Inc. (POWI)$47.3M0.31%914,069-15,990Trimmed
Twilio Inc. (TWLO)$46.9M0.30%160,425+22,311Added
Qnity Electronics, Inc. (Q)$44.4M0.29%352,795+7,479Added
APi Group Corp. (APG)$43.2M0.28%1,119,006-30,285Trimmed

Every quarter it filed

What the fund reported and how many positions it held, each quarter since September 2024.

QuarterReported valuePositions
September 2026 quarter$15.4B405
June 2026 quarter$16.3B376
March 2026 quarter$14.0B417
December 2025 quarter$14.2B381
September 2025 quarter$15.0B392
June 2025 quarter$14.6B382
March 2025 quarter$13.4B365
December 2024 quarter$14.8B386
September 2024 quarter$14.7B357
Every 13F fund · Fund holdings data