How many stocks does BAMCO INC /NY/ own?

As of Q4 2025, BAMCO INC /NY/ holds 327 positions in their 13F portfolio.

What is BAMCO INC /NY/'s largest holding?

TSLA at 14.5% of portfolio, worth $5.4B.

What is BAMCO INC /NY/'s total portfolio value?

$36.9B as of Q4 2025, tracked across 327 holdings.

Is BAMCO INC /NY/ a hedge fund?

BAMCO INC /NY/ is an institutional investment manager required to file SEC 13F reports. This includes hedge funds, mutual funds, pension funds, and other institutions managing over $100M.

How often does BAMCO INC /NY/ report?

13F filings are due quarterly, approximately 45 days after each quarter end.

How has BAMCO INC /NY/'s portfolio changed in Q4 2025?

View BAMCO INC /NY/'s latest portfolio changes, new positions, and exits for Q4 2025 on HoldingsIntel.

What is BAMCO INC /NY/'s investment strategy?

BAMCO INC /NY/ is classified as a Balanced Allocator fund based on HoldingsIntel's Fund DNA analysis of 6 behavioral dimensions.

BAMCO INC /NY/ Holdings Q4 2025 - Portfolio & Conviction Scores | HoldingsIntel

BAMCO INC /NY/

Institutional investor · Portfolio as of Q4 2025

Strong(3.5 / 5.0)

$36.9B

AUM

327

Positions

New

Q4 2025

Filing Period

Quarterly Portfolio Change

SEC EDGAR SourceSEC Filings

BAMCO INC /NY/ manages $36.9B across 327 positions as of Q4 2025. Top holdings: TSLA (14.5%), ACGL (4.7%), MSCI (4.3%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 3.5/5.0.

Q4 2025 Summary

Active quarter - 34 new positions, 36 exits, 122 increased. Top move: FDS (INCREASED, conviction 78). Portfolio: $36.9B across 327 positions.

Portfolio Allocation

Top holdings by portfolio weight

TSLA14.53%

ACGL4.67%

MSCI4.28%

CSGP3.55%

IDXX3.30%

IT2.88%

GWRE2.80%

H2.65%

FDS2.27%

RRR2.10%

Other1.91%

Similar Funds

Funds with similar investing DNA

Varma Mutual Pension Insurance Co

$16.5B

Bank Julius Baer & Co. Ltd, Zurich

$36.2B

+3 more

Position Outcomes

Best and worst performing positions by estimated return

Top Winners

VRT24Q held

Vertiv Holdings, LLC

Avg $13.06 · $357.6M est. P&L

Est. P&L

+1771.60%

GS29Q held

Goldman Sachs Group, Inc. (The)

Avg $138.51 · $579,256 est. P&L

Est. P&L

+522.76%

KTOS24Q held

KRATOS DEFENSE & SEC SOLUTIO

Avg $17.04 · $87M est. P&L

Est. P&L

+421.98%

Top Losers

Upgrade to Pro to see the worst-performing positions.

View plans

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Top Holdings10 of 327

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Activity:

Stock	Shares	Value	Weight	Price Trend	Avg Buy	Est. P&L	Held	Conviction
TSLA Tesla, Inc.	11.9M	$5.4B	14.5%	—	$216.85	+80.97%	29 qtrssince 2018-Q4	Decreased 0
ACGL Arch Capital Group Ltd.	18M	$1.7B	4.7%	—	$25.76	+290.11%	29 qtrssince 2018-Q4	Decreased 0
MSCI MSCI Inc.	2.8M	$1.6B	4.3%	—	$268.80	+110.41%	29 qtrssince 2018-Q4	Increased 67
CSGP CoStar Group, Inc.	19.5M	$1.3B	3.6%	—	$77.66	-39.76%	29 qtrssince 2018-Q4	Increased 59
IDXX IDEXX Laboratories, Inc.	1.8M	$1.2B	3.3%	—	$203.47	+212.35%	29 qtrssince 2018-Q4	Decreased 0
IT Gartner, Inc.	4.2M	$1.1B	2.9%	—	$146.77	+12.27%	29 qtrssince 2018-Q4	Decreased 0
GWRE Guidewire Software, Inc.	5.1M	$1B	2.8%	—	$81.05	+87.46%	29 qtrssince 2018-Q4	Decreased 0
H Hyatt Hotels Corporation	6.1M	$979M	2.7%	—	$77.49	+111.15%	29 qtrssince 2018-Q4	Decreased 0
FDS FactSet Research Systems Inc.	2.9M	$838.3M	2.3%	—	$232.45	-4.12%	29 qtrssince 2018-Q4	Increased 78
RRR Red Rock Resorts, Inc.	12.5M	$775.6M	2.1%	—	$28.42	+113.57%	29 qtrssince 2018-Q4	Increased 55
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