EdgeMarket › What Bamco Inc /Ny/ reported owning

What Bamco Inc /Ny/ reported owning

As filed on Form 13F for the quarter ending 2026-03-31, up to 45 days after that date. Long-only US-listed equity — shorts, bonds, cash and non-US listings are not on the form, so this is one leg of the book, not the book.

Reported value

33.1B

Positions

326

Quarter

2026-03-31

Shown below

50
largest by value
holdingvalue% of booksharesprice1y
TSLA
Tesla, Inc.
4.4B13.4%11.9M362.86+12.0%
ACGL
ARCH CAPITAL GROUP LTD.
1.6B4.8%16.7M99.39+7.1%
MSCI
MSCI Inc.
1.5B4.4%2.7M563.49-1.9%
GWRE
Guidewire Software, Inc.
986.7M3.0%6.6M189.19-12.5%
IT
GARTNER INC
937.0M2.8%5.9M195.90-19.8%
IDXX
IDEXX LABORATORIES INC /DE
917.8M2.8%1.6M556.93-13.0%
H
Hyatt Hotels Corp
911.9M2.8%6.3M180.67+31.6%
FIGS
FIGS, Inc.
885.6M2.7%60.0M14.68+105.6%
FDS
FACTSET RESEARCH SYSTEMS INC
815.1M2.5%3.8M299.91-22.6%
CHH
CHOICE HOTELS INTERNATIONAL INC /DE
796.0M2.4%7.7M109.62-8.0%
RRR
Red Rock Resorts, Inc.
715.7M2.2%13.4M61.09+2.4%
SCHW
SCHWAB CHARLES CORP
701.5M2.1%7.5M112.30+17.6%
KNSL
Kinsale Capital Group, Inc.
692.8M2.1%2.0M383.55-18.1%
CSGP
COSTAR GROUP, INC.
658.1M2.0%16.3M32.26-63.4%
MTN
VAIL RESORTS INC
647.2M2.0%5.0M152.81-0.8%
SPOT
Spotify Technology S.A.
639.9M1.9%1.3M533.72-24.2%
SHOP
SHOPIFY INC.
559.7M1.7%4.7M149.25+8.7%
NVDA
NVIDIA CORP
509.2M1.5%2.9M214.72+22.4%
VRSK
Verisk Analytics, Inc.
476.6M1.4%2.5M187.50-30.8%
BIRK
Birkenstock Holding plc
335.6M1.0%9.4M35.64-28.8%
ONON
On Holding AG
330.5M1.0%9.7M30.02-33.6%
VRT
Vertiv Holdings Co
296.0M0.9%1.2M261.95+105.4%
SITE
SiteOne Landscape Supply, Inc.
274.1M0.8%2.1M95.94-30.4%
IBKR
Interactive Brokers Group, Inc.
271.5M0.8%4.0M93.87+50.3%
AMZN
AMAZON COM INC
269.6M0.8%1.3M258.63+15.6%
WELL
WELLTOWER INC.
265.9M0.8%1.3M239.22+44.1%
EQIX
EQUINIX INC
239.2M0.7%244.0K1,065.39+37.2%
PRI
Primerica, Inc.
215.4M0.7%860.0K295.82+10.6%
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
215.0M0.6%636.3K418.95+83.3%
APH
AMPHENOL CORP /DE/
209.7M0.6%1.7M157.01+44.5%
GDS
GDS Holdings Ltd
185.2M0.6%4.6M32.85-3.1%
ABNB
Airbnb, Inc.
182.0M0.5%1.4M187.30+49.9%
PWR
QUANTA SERVICES, INC.
178.9M0.5%325.8K639.34+70.1%
WYNN
WYNN RESORTS LTD
176.4M0.5%1.7M100.28-10.1%
MTD
METTLER TOLEDO INTERNATIONAL INC/
168.5M0.5%133.6K1,395.25+6.0%
IOT
Samsara Inc.
162.2M0.5%5.1M39.94+21.0%
AVGO
Broadcom Inc.
161.9M0.5%523.2K368.45+26.5%
HLI
HOULIHAN LOKEY, INC.
152.4M0.5%1.1M129.05-33.1%
META
Meta Platforms, Inc.
146.9M0.4%256.7K549.90-26.5%
CBRE
CBRE GROUP, INC.
145.5M0.4%1.1M152.10-5.4%
LLYVK
Liberty Live Holdings, Inc.
143.6M0.4%1.5M105.42+13.3%
PLD
Prologis, Inc.
140.9M0.4%1.1M141.80+28.7%
FPS
Forgent Power Solutions, Inc.
136.8M0.4%4.7M33.18
LOAR
Loar Holdings Inc.
135.6M0.4%2.4M75.00+3.6%
MORN
Morningstar, Inc.
128.4M0.4%759.5K215.97-17.7%
TOL
Toll Brothers, Inc.
127.2M0.4%932.0K147.09+11.9%
BN
BROOKFIELD Corp /ON/
117.6M0.4%2.9M41.69-2.4%
GOOGL
Alphabet Inc.
110.0M0.3%382.6K344.82+73.0%
NOVT
NOVANTA INC
108.1M0.3%915.1K145.24+26.1%
KRMN
Karman Holdings Inc.
102.4M0.3%1.3M53.40+5.2%

A position that grew quarter on quarter may simply reflect a higher price: if the stock rose 40% and the manager did nothing, the reported value rose 40%. Reading that as accumulation is reading the price back to yourself. More on that →

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