GAMMA Investing LLC

Position in AMG — Affiliated Managers Group, Inc.

CIK 2010235 FOSTER CITY, CA

Position in AMG

as of Jun 30, 2026 · filed Jul 7, 2026 Compact

Position Value

$539,071

+$107,696 QoQ

Shares Held

1,593

+2.2% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#311

of 562 holders

Holding Since

Dec 2023

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

GAMMA Investing LLC holds $23,146,785 across 54 Asset Management names. AMG ranks #14 (2.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BLK	BlackRock, Inc.	5,381	$5,174,154
2	AMP	Ameriprise Financial Inc	4,725	$2,167,641
3	BX	Blackstone Inc.	16,191	$1,905,194
4	NTRS	Northern Trust Corp	8,479	$1,473,989
5	STT	State Street Corp	7,875	$1,335,600
6	KKR	KKR & Co. Inc.	13,772	$1,263,994
7	IVZ	Invesco Ltd.	39,656	$1,046,521
8	RJF	Raymond James Financial Inc	6,831	$1,038,516

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$539,071	1,593	+2.2%	Shares	Defined	2026-07-07
2026-03-31	$431,375	1,559	+2.7%	Shares	Defined	2026-04-06
2025-12-31	$437,609	1,518	+13.9%	Shares	Defined	2026-01-05
2025-09-30	$317,827	1,333	+6.5%	Shares	Defined	2025-10-02
2025-06-30	$246,356	1,252	+66.9%	Shares	Defined	2025-07-14
2025-03-31	$126,022	750	-15.5%	Shares	Defined	2025-04-15
2024-12-31	$164,208	888	+11.8%	Shares	Defined	2025-01-03
2024-09-30	$141,173	794	+103.6%	Shares	Defined	2024-10-07
2024-06-30	$60,929	390	-18.6%	Shares	Defined	2024-07-02
2024-03-31	$80,218	479	+14.3%	Shares	Defined	2024-04-05
2023-12-31	$63,444	419	—	Shares	Defined	2024-02-01
No filing history on record for this holder in this stock.