Follow-The-Filings

Featured 13F manager

BAMCO Inc (Baron Capital) Ron Baron

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

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

Ron Baron files BAMCO Inc (Baron Capital) as a Form 13F. The latest book is 2026 Q2 at $66.6B, up 101.2% QoQ, led by Space Exploration Techn ·, Tesla, and MSCI Inc.

Portfolio

2026 Q2 · filed 8/14/2026 · 345 long · top 12 shown

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

2022 Q2 2022 Q1 · filed 15 Aug · long equity

TSLA - Tesla Motors 12.56% Add +0.2% 5,809,156 $673.42 $3.9B +11,573 −$2.3B
IT - Gartner 4.02% Reduce −1.8% 5,177,693 $241.83 $1.3B −97,238 −$317M
CSGP - Costar Group 3.73% Add +2.1% 19,237,520 $60.41 $1.2B +388,347 −$93M
FDS - Factset Resh Sys 3.30% Reduce 0.0% 2,674,282 $384.57 $1B −94 −$133M
MTN - Vail Resorts 3.24% Add 0.0% 4,626,477 $218.05 $1B +628 −$195M
ACGL - Arch Cap Group 3.14% Reduce −0.1% 21,491,448 $45.49 $978M −14,892 −$64M
MSCI - MSCI Inc · CL A 2.91% Reduce −0.6% 2,197,058 $412.15 $906M −12,958 −$206M
IDXX - Idexx Labs 2.73% Reduce −2.4% 2,420,040 $350.73 $849M −60,134 −$508M
IRDM - Iridium Communications 1.75% Reduce 0.0% 14,522,360 $37.56 $545M −160 −$40M
CHH - Choice Hotels Intl 1.65% Reduce −0.6% 4,596,806 $111.63 $513M −27,660 −$142M
TECH - Bio Techne 1.62% Reduce −1.2% 1,451,376 $346.64 $503M −17,742 −$133M
KNSL - Kinsale Cap Group 1.58% Add +1.6% 2,147,864 $229.64 $493M +33,659 +$11M
ANSS - Ansys 1.46% Reduce −4.1% 1,894,146 $239.29 $453M −80,636 −$174M
GWRE - Guidewire Software 1.41% Add +6.0% 6,162,843 $70.99 $438M +347,883 −$113M
SCHW - Schwab Charles 1.34% Add +1.9% 6,622,530 $63.18 $418M +124,772 −$129M
GLPI - Gaming & Leisure Pptys 1.33% Add +1.0% 9,056,331 $45.86 $415M +87,739 −$6M
MTD - Mettler Toledo 1.32% Reduce −2.0% 359,034 $1,149 $412M −7,250 −$91M
H - Hyatt Hotels · CL A 1.28% Reduce −1.3% 5,379,160 $73.91 $398M −70,797 −$123M
WST - West Pharmaceutical Svsc 1.14% Reduce 0.0% 1,171,557 $302.37 $354M −110 −$127M
TSM - Taiwan Semiconductor Mfg 1.03% Reduce −13.7% 3,909,345 $81.75 $320M −619,459 −$153M
MAR - Marriott 0.95% Reduce −12.0% 2,540,093 $116.20 $295M −346,764 −$160M
RRR - Red Rock Resorts · CL A 0.90% Add +6.6% 8,386,545 $33.36 $280M +520,546 −$102M
MORN - Morningstar 0.90% Reduce −0.9% 1,155,415 $241.83 $279M −10,000 −$39M
PENN - Penn Natl Gaming 0.85% Reduce −18.1% 8,694,310 $30.42 $264M −1,922,022 −$186M
PRI - Primerica 0.78% Reduce −1.5% 2,029,953 $119.69 $243M −30,104 −$39M
BABA - Alibaba Group 0.78% Reduce −6.1% 2,129,109 $113.68 $242M −139,047 −$5M
BFAM — 0.70% Add +3.4% 2,594,902 $84.52 $219M +85,427 −$114M
Endava 0.69% Add +6.0% 2,446,074 $88.27 $216M +138,421 −$91M
VRSK - Verisk Analytics · CL A 0.68% Add +5.2% 1,218,138 $173.09 $211M +59,758 −$38M
SBAC - Sba Communications 0.67% Add +8.9% 654,372 $320.05 $209M +53,707 +$3M
SITE - Siteone Landscape Supply 0.66% Add +62.3% 1,716,539 $118.87 $204M +659,006 +$33M
CNS - Cohen & Steers 0.64% Add +1.1% 3,120,610 $63.59 $198M +34,641 −$67M
ICLR - ICON 0.62% Add +14.8% 885,458 $216.70 $192M +114,427 +$4M
EFOR - ASGN 0.61% Add +30.1% 2,087,359 $90.25 $188M +482,901 +$1M
TREX — 0.60% Add +3.0% 3,417,043 $54.42 $186M +99,594 −$31M
ARE — 0.58% Reduce −1.5% 1,234,951 $145.03 $179M −18,690 −$73M
SPOT - Spotify Technology S A 0.56% Add +4.5% 1,854,718 $93.83 $174M +80,173 −$94M
FND - Floor & Decor · CL A 0.54% Add +36.5% 2,654,102 $62.96 $167M +710,016 +$10M
DAY - Ceridian Hcm 0.53% Add +12.5% 3,492,708 $47.08 $164M +388,876 −$48M
VEEV - Veeva Sys · CL A 0.51% Add +0.8% 807,603 $198.04 $160M +6,538 −$10M
AMZN - Amazon 0.51% Add +1776.4% 1,502,137 $106.21 $160M +1,422,081 −$101M
ARGX - Argenx Se 0.51% Reduce −16.1% 420,645 $378.88 $159M −80,694 +$1M
MRCY - Mercury Sys 0.50% Add +15.6% 2,417,585 $64.33 $156M +326,200 +$21M
BIDU - Baidu 0.49% Add +18.3% 1,034,650 $148.73 $154M +160,371 +$38M
SSNC - SS&C Technologies 0.49% Reduce −15.0% 2,623,893 $58.07 $152M −463,028 −$79M
GOOG - Alphabet · CL C 0.49% Reduce −16.0% 69,151 $2,187 $151M −13,161 −$79M
GTM - Zoominfo Technologies · CL A 0.45% Reduce −3.2% 4,222,769 $33.24 $140M −139,757 −$120M
MSFT - Microsoft 0.43% Reduce −2.0% 524,333 $256.83 $135M −10,653 −$30M
DEI - Douglas Emmett 0.42% Reduce −2.0% 5,812,205 $22.38 $130M −115,907 −$68M
BN - Brookfield Asset Mgmt · CL A 0.42% Add +2.6% 2,920,872 $44.47 $130M +74,275 −$31M

Showing top 50 of 362 by value

Exits / last held

not current holdings · last reported size, unchanged · gone vs 2022 Q1

Stock % of portfolio Recent activity Shares Reported price* Value Share change $ change
TNL - Travel Plus Leisure 0.15% Exit 0 $57.94 $62M −1,071,221 −$62M
Six Flags Entmt 0.13% Exit 0 $43.50 $54M −1,250,103 −$54M
HHH - Howard Hughes 0.10% Exit 0 $103.61 $43M −411,740 −$43M
CZR — 0.10% Exit 0 $77.36 $41M −525,799 −$41M
Holding 0.09% Exit 0 $51.18 $38M −736,392 −$38M
Berry Global Group 0.08% Exit 0 $57.96 $32M −550,000 −$32M
SPG - Simon Ppty Group 0.06% Exit 0 $131.56 $25M −190,815 −$25M
SOFI - SOFI Technologies 0.06% Exit 0 $9.45 $24M −2,559,148 −$24M
CYRX - Cryoport 0.05% Exit 0 $34.91 $19M −530,097 −$19M
SNAP — · CL A 0.04% Exit 0 $35.99 $18M −500,100 −$18M
Accolade 0.04% Exit 0 $17.56 $18M −1,014,547 −$18M
Sarissa Capital Acquisitn 0.04% Exit 0 $9.93 $15M −1,511,845 −$15M
NFLX - Netflix 0.02% Exit 0 $374.58 $10M −26,942 −$10M
Helios Technologies 0.02% Exit 0 $80.25 $9M −108,929 −$9M
VNO - Vornado Rlty Tr 0.02% Exit 0 $45.32 $7M −160,034 −$7M
Enfusion 0.02% Exit 0 $12.72 $7M −524,789 −$7M
PK - Park Hotels Resorts 0.01% Exit 0 $19.53 $5M −272,867 −$5M
ELV - Anthem 0.01% Exit 0 $491.25 $5M −9,600 −$5M
HST - Host Hotels & Resorts 0.01% Exit 0 $19.43 $5M −233,643 −$5M
PAYA 0.01% Exit 0 $5.86 $5M −768,150 −$5M
KRC - Kilroy Rlty 0.01% Exit 0 $76.42 $4M −58,025 −$4M
THC - Tenet Healthcare 0.01% Exit 0 $85.96 $4M −45,500 −$4M
KW - Kennedy-Wilson 0.01% Exit 0 $24.39 $3M −114,188 −$3M
BXP - Boston Properties 0.01% Exit 0 $128.81 $3M −21,504 −$3M
RNG - Ringcentral · CL A 0.01% Exit 0 $117.21 $3M −21,825 −$3M
LHC Group 0.01% Exit 0 $168.60 $3M −15,000 −$3M
FR - First Indl Rlty Tr Exit 0 $61.90 $2M −32,050 −$2M
ALNY - Alnylam Pharmaceuticals Exit 0 $163.30 $2M −11,500 −$2M
NVST - Envista Exit 0 $48.70 $974K −20,000 −$974K
ECL - Ecolab Exit 0 $176.67 $571K −3,232 −$571K
PYPL - Paypal Exit 0 $115.58 $497K −4,300 −$497K
Nerdy Exit 0 $5.09 $439K −86,223 −$439K
Weber Exit 0 $9.83 $355K −36,104 −$355K
WMG - Warner Music Group · CL A Exit 0 $37.81 $326K −8,622 −$326K
Duck Creek Technologies Exit 0 $22.08 $265K −12,000 −$265K

* 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). Share change and $ change are vs 2022 Q1. Click column headers to sort · click New / Hold / Add / Reduce to promote that move type to the top. Exit opens the last-held block below.

Filings history

20 periods · normalized AUM · open a period for holdings

Period Holdings 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 Q3–2026 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