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BAMCO Inc (Baron Capital) Ron Baron

New York, NY 20 processed 13Fs on this site, 2021 Q3 to 2026 Q2

  • $66.6B
  • 345 holdings
  • 2026 Q2
  • +101.2% QoQ
  • Top 5 52.4%

Portfolio

2026 Q2, filed 8/14/2026, top 12 of 345 holdings

Top 5 52.4%, top 10 60.9%

AUM over time

2026 Q2 $66.6B +101.2% QoQ
2021 Q3: $44.1B 2021 Q3: $44.1B
Q3 2021
2021 Q4: $47.1B, +6.8% QoQ 2021 Q4: $47.1B, +6.8% QoQ
Q4
2022 Q1: $40.7B, −13.6% QoQ 2022 Q1: $40.7B, −13.6% QoQ
Q1 2022
2022 Q2: $31.1B, −23.6% QoQ 2022 Q2: $31.1B, −23.6% QoQ
Q2
2022 Q3: $31B, −0.6% QoQ 2022 Q3: $31B, −0.6% QoQ
Q3
2022 Q4: $29.8B, −3.8% QoQ 2022 Q4: $29.8B, −3.8% QoQ
Q4
2023 Q1: $33.3B, +11.9% QoQ 2023 Q1: $33.3B, +11.9% QoQ
Q1 2023
2023 Q2: $36.1B, +8.4% QoQ 2023 Q2: $36.1B, +8.4% QoQ
Q2
2023 Q3: $34.4B, −4.7% QoQ 2023 Q3: $34.4B, −4.7% QoQ
Q3
2023 Q4: $37.5B, +9.1% QoQ 2023 Q4: $37.5B, +9.1% QoQ
Q4
2024 Q1: $37.5B, −0.1% QoQ 2024 Q1: $37.5B, −0.1% QoQ
Q1 2024
2024 Q2: $34.9B, −6.9% QoQ 2024 Q2: $34.9B, −6.9% QoQ
Q2
2024 Q3: $37.7B, +8.0% QoQ 2024 Q3: $37.7B, +8.0% QoQ
Q3
2024 Q4: $38.7B, +2.6% QoQ 2024 Q4: $38.7B, +2.6% QoQ
Q4
2025 Q1: $34B, −12.0% QoQ 2025 Q1: $34B, −12.0% QoQ
Q1 2025
2025 Q2: $36.9B, +8.3% QoQ 2025 Q2: $36.9B, +8.3% QoQ
Q2
2025 Q3: $37.7B, +2.2% QoQ 2025 Q3: $37.7B, +2.2% QoQ
Q3
2025 Q4: $36.9B, −2.1% QoQ 2025 Q4: $36.9B, −2.1% QoQ
Q4
2026 Q1: $33.1B, −10.2% QoQ 2026 Q1: $33.1B, −10.2% QoQ
Q1 2026
2026 Q2: $66.6B, +101.2% QoQ 2026 Q2: $66.6B, +101.2% QoQ
Q2

Book

2021 Q3, filed 12 Nov, long equity only

TSLA, Tesla 10.57% Hold 6,016,608 $775.48 $4.7B
IT, Gartner 3.76% Hold 5,469,633 $303.88 $1.7B
IDXX, Idexx Laboratories 3.65% Hold 2,593,065 $621.90 $1.6B
CSGP, CoStar Group 3.63% Hold 18,639,739 $86.06 $1.6B
MTN, Vail Resorts 3.33% Hold 4,405,961 $334.05 $1.5B
MSCI 2.99% Hold 2,169,552 $608.34 $1.3B
FDS, FactSet 2.37% Hold 2,650,277 $394.78 $1B
ACGL, Arch Capital Group 1.83% Hold 21,194,167 $38.18 $809M
PENN, Penn National Gaming 1.71% Hold 10,415,512 $72.46 $755M
TECH, Bio Techne 1.64% Hold 1,493,878 $484.57 $724M
ANSS, Ansys 1.59% Hold 2,066,854 $340.45 $704M
GWRE, Guidewire Software 1.55% Hold 5,751,010 $118.87 $684M
CHH, Choice Hotels International 1.33% Hold 4,631,990 $126.37 $585M
WST, West Pharmaceutical Services 1.21% Hold 1,254,099 $424.54 $532M
MTD, Mettler-Toledo 1.19% Hold 381,273 $1,377 $525M
SCHW, Charles Schwab 1.08% Hold 6,520,345 $72.84 $475M
IRDM, Iridium Communications 1.05% Hold 11,632,362 $39.85 $464M
MAR, Marriott 0.98% Hold 2,759,757 $157.33 $434M
H, Hyatt Hotels 0.94% Hold 5,392,998 $77.10 $416M
GLPI, Gaming & Leisure Properties 0.93% Hold 8,894,012 $46.32 $412M
RRR, Red Rock Resorts 0.93% Hold 7,979,826 $51.22 $409M
TSM, Taiwan Semiconductor 0.90% Hold 3,546,219 $111.65 $396M
TREX 0.83% Hold 3,584,598 $101.93 $365M
DAY, Ceridian HCM 0.80% Hold 3,124,775 $112.62 $352M
BFAM 0.79% Hold 2,511,169 $139.42 $350M
KNSL, Kinsale Cap Group 0.77% Hold 2,103,399 $161.70 $340M
PRI, Primerica 0.73% Hold 2,092,304 $153.63 $321M
Endava 0.73% Hold 2,365,265 $135.85 $321M
GOOG, Alphabet Class C 0.73% Hold 120,430 $2,665 $321M
BABA, Alibaba 0.72% Hold 2,153,973 $148.05 $319M
MORN, Morningstar 0.71% Hold 1,209,419 $259.03 $313M
AMZN, Amazon 0.66% Hold 88,926 $3,285 $292M
WIX, Wix.com 0.61% Hold 1,383,695 $195.97 $271M
Z, Zillow Class A 0.61% Hold 3,021,287 $88.58 $268M
SBAC, SBA Communications 0.59% Hold 790,710 $330.57 $261M
RNG, Ringcentral 0.59% Hold 1,199,489 $217.50 $261M
GTM, Zoominfo Technologies 0.59% Hold 4,243,197 $61.19 $260M
ARE 0.56% Hold 1,302,554 $191.07 $249M
SSNC, SS&C Technologies 0.55% Hold 3,529,723 $69.40 $245M
VEEV, Veeva Systems 0.54% Hold 825,414 $288.17 $238M
VRSK, Verisk 0.53% Hold 1,175,029 $200.27 $235M
CNS, Cohen & Steers 0.53% Hold 2,785,724 $83.77 $233M
EPAM, EPAM Systems 0.52% Hold 403,680 $570.48 $230M
SPOT, Spotify 0.52% Hold 1,017,115 $225.34 $229M
SITE, Siteone Landscape Supply 0.51% Hold 1,125,514 $199.47 $225M
ICLR, Icon 0.51% Hold 853,686 $262.02 $224M
Holding 0.50% Hold 1,292,998 $172.10 $223M
DXCM, DexCom 0.49% Hold 399,246 $546.86 $218M
DEI, Douglas Emmett 0.48% Hold 6,750,440 $31.61 $213M
SHOP, Shopify 0.47% Hold 152,937 $1,356 $207M

Showing top 50 of 391 by value

* Reported price is value ÷ shares from the 13F as of period end, not a live market quote. Weight % is each long-equity position ÷ full 13F AUM, so rows may not sum to 100% when the filing includes options or other non-equity (excluded from this table). Click a column header to sort, or New, Hold, Add or Reduce to bring those moves to the top.

Filings history

20 periods, with AUM normalized

Period Holds AUM QoQ Form Filed Filing ID
2026 Q2 345 $66.6B +101.2% 13F-HR 8/14/2026 000101791826000067
2026 Q1 326 $33.1B −10.2% 13F-HR 5/15/2026 000101791826000043
2025 Q4 327 $36.9B −2.1% 13F-HR 2/17/2026 000101791826000015
2025 Q3 330 $37.7B +2.2% 13F-HR 11/14/2025 000101791825000059
2025 Q2 306 $36.9B +8.3% 13F-HR 8/14/2025 000101791825000041
2025 Q1 314 $34B −12.0% 13F-HR 5/15/2025 000101791825000031
2024 Q4 316 $38.7B +2.6% 13F-HR 2/14/2025 000101791825000019
2024 Q3 328 $37.7B +8.0% 13F-HR 11/14/2024 000101791824000083
2024 Q2 329 $34.9B −6.9% 13F-HR 8/14/2024 000101791824000013
2024 Q1 332 $37.5B −0.1% 13F-HR 5/15/2024 000101791824000010
2023 Q4 330 $37.5B +9.1% 13F-HR 2/14/2024 000101791824000006
2023 Q3 334 $34.4B −4.7% 13F-HR 11/14/2023 000101791823000018
2023 Q2 343 $36.1B +8.4% 13F-HR 8/14/2023 000101791823000015
2023 Q1 360 $33.3B +11.9% 13F-HR 5/15/2023 000101791823000011
2022 Q4 375 $29.8B −3.8% 13F-HR 2/14/2023 000101791823000006
2022 Q3 370 $31B −0.6% 13F-HR 11/14/2022 000156761922019904
2022 Q2 371 $31.1B −23.6% 13F-HR 8/15/2022 000156761922016144
2022 Q1 388 $40.7B −13.6% 13F-HR 5/13/2022 000156761922010459
2021 Q4 404 $47.1B +6.8% 13F-HR 2/14/2022 000156761922004346
2021 Q3 397 $44.1B — 13F-HR 11/12/2021 000156761921019987

About

BAMCO Inc (Baron Capital)

20 processed 13Fs on this site, 2021 Q3 to 2026 Q2

Entity
BAMCO Inc (Baron Capital)
Notable person
Ron Baron
SEC filing name
BAMCO INC /NY/
Location
New York, NY
All SEC filings
View on sec.gov