Q2 2026 13F · SEC CIK 1017918

Bamco Inc /ny/

Investment managerFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $66.6B
Reported positions: 345
Top holdings a year, 3 yrs: +7.0%
Average holding period: 4.2 yrs

Bamco Inc /ny/ is an investment manager that reported 345 positions worth $66.6B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Space Exploration Techn Corp (SPCX, 37.4%), Tesla Inc (TSLA, 7.9%), Msci Inc (MSCI, 2.7%). A portfolio copying its top holdings returned 7.0% a year over the last 3 years, against 22.3% for the S&P 500.

Bamco Inc /ny/ holdings largest 50 of 345 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Bamco Inc /ny/ 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
SPCXSpace Exploration Techn Corp	37.4%	—	145,775,147	—	$24.9B
TSLATesla Inc	7.9%	13.4%	12,524,752	+5.0%	$5.3B
MSCIMsci Inc	2.7%	4.4%	3,211,753	+19.0%	$1.8B
ACGLArch Cap Group Ltd	2.3%	4.8%	15,872,450	-5.0%	$1.5B
HHyatt Hotels Corp	2.1%	2.8%	7,279,087	+14.8%	$1.4B
SHOPShopify Inc	1.9%	1.7%	11,155,546	+136.4%	$1.3B
SPOTSpotify Technology SA	1.7%	1.9%	2,433,114	+84.4%	$1.1B
GWREGuidewire Software Inc	1.7%	3.0%	8,994,456	+36.3%	$1.1B
SCHWCharles Schwab Corp (the)	1.6%	2.1%	11,655,694	+56.2%	$1.1B
RRRRed Rock Resorts - Cl A	1.6%	2.2%	16,391,131	+22.2%	$1.1B
IDXXIdexx Labs Inc	1.6%	2.8%	1,976,778	+21.0%	$1.0B
CHHChoice Hotels Intl Inc	1.5%	2.4%	9,328,354	+21.3%	$1.0B
ITGartner Inc	1.5%	2.8%	7,601,009	+28.4%	$985.2M
FDSFactset Resh Sys Inc	1.4%	2.5%	4,200,856	+11.8%	$966.5M
MTNVail Resorts Inc	1.3%	2.0%	6,536,697	+29.6%	$890.0M
KNSLKinsale Cap Group Inc	1.3%	2.1%	2,663,958	+31.4%	$878.6M
VRSKVerisk Analytics Inc	1.3%	1.4%	4,702,605	+87.2%	$844.3M
BIRKBirkenstock Holding PLC	1.0%	1.0%	14,739,609	+57.4%	$634.2M
FIGSFigs Inc	0.9%	2.7%	59,959,449	+0.0%	$613.4M
CSGPCostar Group Inc	0.9%	2.0%	21,626,763	+32.6%	$612.5M
ONONOn Hldg AG	0.9%	1.0%	16,929,770	+74.3%	$599.7M
NVDANvidia Corporation	0.9%	1.5%	2,965,306	+1.6%	$593.3M
MORNMorningstar Inc	0.8%	0.4%	3,499,146	+360.7%	$545.9M
AMZNAmazon Com Inc	0.7%	0.8%	1,956,523	+51.1%	$466.3M
IBKRInteractive Brokers Group in	0.6%	0.8%	4,807,214	+18.8%	$418.4M
VRTVertiv Holdings Co	0.5%	0.9%	979,821	-17.0%	$328.1M
TSMTaiwan Semiconductor Manufac	0.5%	0.6%	667,698	+4.9%	$318.9M
APHAmphenol Corp	0.4%	0.6%	1,598,059	-3.7%	$281.8M
WELLWelltower Inc	0.4%	0.8%	1,232,060	-8.4%	$279.6M
IOTSamsara Inc.	0.4%	0.5%	7,881,752	+53.9%	$255.6M
ABNBAirbnb Inc	0.4%	0.5%	1,758,065	+22.0%	$251.6M
SITESiteone Landscape Supply Inc	0.3%	0.8%	2,028,799	-1.5%	$232.1M
FPSForgent Power Solutions Inc	0.3%	0.4%	4,072,575	-12.9%	$227.5M
PWRQuanta Svcs Inc	0.3%	0.5%	315,789	-3.1%	$227.4M
EQIXEquinix Inc	0.3%	0.7%	195,637	-19.8%	$203.9M
LOARLoar Holdings Inc	0.3%	0.4%	2,523,332	+6.6%	$203.4M
GOOGLAlphabet Inc	0.3%	0.3%	546,232	+42.8%	$195.2M
AVGOBroadcom Inc	0.3%	0.5%	514,536	-1.7%	$194.4M
GOOGAlphabet Inc	0.3%	—	541,579	—	$191.4M
PRIPrimerica Inc	0.3%	0.7%	671,453	-21.9%	$190.8M
MTDMettler Toledo International	0.3%	0.5%	138,464	+3.6%	$176.9M
LVSLas Vegas Sands	0.3%	—	3,784,278	—	$174.8M
LLYEli Lilly & Co	0.3%	—	140,540	—	$168.6M
TOLToll Brothers Inc	0.2%	0.4%	1,009,102	+8.3%	$166.2M
BXDCBlackstone Digital Infrastru	0.2%	—	7,620,555	—	$164.8M
NPOEnpro Inc	0.2%	—	399,482	—	$150.6M
HEI-AHeico Corp	0.2%	—	562,662	—	$145.1M
MRNAModerna Inc	0.2%	—	1,989,386	—	$139.3M
NOVTNovanta Inc	0.2%	0.3%	850,494	-7.1%	$138.0M
DDOGDatadog Inc	0.2%	—	508,356	—	$132.4M

What Bamco Inc /ny/ bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

MORN Morningstar Inc+360.7% shares
SHOP Shopify Inc+136.4% shares
VRSK Verisk Analytics Inc+87.2% shares
SPOT Spotify Technology SA+84.4% shares
ONON On Hldg AG+74.3% shares
BIRK Birkenstock Holding PLC+57.4% shares
SCHW Charles Schwab Corp (the)+56.2% shares
IOT Samsara Inc.+53.9% shares

Reduced

PRI Primerica Inc-21.9% shares
EQIX Equinix Inc-19.8% shares
VRT Vertiv Holdings Co-17.0% shares
FPS Forgent Power Solutions Inc-12.9% shares
WELL Welltower Inc-8.4% shares
NOVT Novanta Inc-7.1% shares
ACGL Arch Cap Group Ltd-5.0% shares

Left the top 50

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: -5.3% /yr; S&P 500 +11.7%
3 years: +7.0% /yr; S&P 500 +22.3%
5 years: -2.1% /yr; S&P 500 +10.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$66.6B	345
Q1 2026	$33.1B	326
Q4 2025	$36.9B	327
Q3 2025	$37.7B	330
Q2 2025	$36.9B	306
Q1 2025	$34.0B	314
Q4 2024	$38.7B	316
Q3 2024	$37.7B	328
Q2 2024	$34.9B	329
Q1 2024	$37.5B	332
Q4 2023	$37.5B	330
Q3 2023	$34.4B	334

Questions about Bamco Inc /ny/'s portfolio

What stocks does Bamco Inc /ny/ own?

Bamco Inc /ny/'s latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 345 positions worth $66.6B. The largest are Space Exploration Techn Corp (SPCX) at 37.4%, Tesla Inc (TSLA) at 7.9%, Msci Inc (MSCI) at 2.7%, Arch Cap Group Ltd (ACGL) at 2.3% and Hyatt Hotels Corp (H) at 2.1%.

What did Bamco Inc /ny/ buy last quarter?

In Q2 2026, Bamco Inc /ny/ added Morningstar Inc (MORN) (+360.7% shares), Shopify Inc (SHOP) (+136.4% shares) and Verisk Analytics Inc (VRSK) (+87.2% shares), compared with its Q1 2026 filing.

What did Bamco Inc /ny/ sell last quarter?

In Q2 2026, Bamco Inc /ny/ cut from its top 50 Gds Hldgs Ltd (GDS), cut from its top 50 Wynn Resorts Ltd (WYNN), cut from its top 50 Houlihan Lokey Inc (HLI), cut from its top 50 Meta Platforms Inc (META), cut from its top 50 Cbre Group Inc (CBRE), Primerica Inc (PRI) (-21.9% shares), Equinix Inc (EQIX) (-19.8% shares) and Vertiv Holdings Co (VRT) (-17.0% shares), compared with its Q1 2026 filing.

How has Bamco Inc /ny/'s portfolio performed?

A portfolio copying Bamco Inc /ny/'s 20 largest 13F holdings each quarter, from the day each filing was public, returned +7.0% a year over the last 3 years, against +22.3% for the S&P 500. Over 1 year: -5.3% against +11.7%. Over 5 years: -2.1% a year against +10.6%.

When is Bamco Inc /ny/'s next 13F filing due?

13F filings are due 45 days after each quarter ends. Bamco Inc /ny/'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.