AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

CULLEN/FROST BANKERS, INC.'s Holding History (CIK: 0000039263)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 558 Value ($000) $161 Avg Close $258.45 Range $230.09 - $299.69

Q3 2025

Shares 540 Value ($000) $129 Avg Close $220.39 Range $194.74 - $250.14

Q2 2025

Shares 601 Value ($000) $118 Avg Close $173.47 Range $139.20 - $199.47

Q1 2025

Shares 335 Value ($000) $56 Avg Close $174.30 Range $151.61 - $191.09

Q2 2019

Shares 76 Value ($000) $7 Avg Close $96.65 Range $82.01 - $113.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	558	$161	$258.45	$230.09 - $299.69
Q3 2025	540	$129	$220.39	$194.74 - $250.14
Q2 2025	601	$118	$173.47	$139.20 - $199.47
Q1 2025	335	$56	$174.30	$151.61 - $191.09
Q2 2019	76	$7	$96.65	$82.01 - $113.84