CenterBook Partners’s Assurant AIZ Stock Holding History

CenterBook Partners’s Portfolio AIZ Stock Details AIZ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$216K	Buy	+991	New	+$226K	0.01%	614
2025 Q1	–	Sell	-1,741	Closed	-$371K	–	472
2024 Q4	$371K	Buy	+1,741	New	+$362K	0.02%	438
2024 Q3	–	Sell	-9,614	Closed	-$1.6M	–	447
2024 Q2	$1.6M	Sell	9,614 -7	-0.1%	-$1.21K	0.1%	287
2024 Q1	$1.81M	Buy	9,621 +5,891	+158%	+$1.03M	0.13%	247
2023 Q4	$628K	Sell	3,730 -1,309	-26%	-$208K	0.08%	303
2023 Q3	$724K	Sell	5,039 -1,402	-22%	-$192K	0.09%	281
2023 Q2	$810K	Sell	6,441 -1,431	-18%	-$178K	0.1%	269
2023 Q1	$945K	Sell	7,872 -3,445	-30%	-$431K	0.13%	241
2022 Q4	$1.42M	Buy	11,317 +2,687	+31%	+$358K	0.23%	147
2022 Q3	$1.25M	Buy	8,630 +2,113	+32%	+$345K	0.24%	143
2022 Q2	$1.13M	Buy	6,517 +266	+4%	+$48.2K	0.24%	148
2022 Q1	$1.14M	Buy	6,251 +2,812	+82%	+$461K	0.4%	68
2021 Q4	$536K	Buy	+3,439	New	+$545K	0.31%	122

Other funds holding AIZ

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

CenterBook Partners's AIZ Position: Q1 2026 in Review

CenterBook Partners opened a new position in Assurant (AIZ) in Q1 2026: 991 shares worth $216K. The stake represents 0.01% of the portfolio and ranks #614 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in AIZ as recently as Q4 2024.

CenterBook Partners first reported a position in AIZ in Q4 2021 and has held it in 13 quarters since. The position peaked at $1.81M in Q1 2024. 580 funds tracked by Wall St. Rank hold AIZ as of Q1 2026.

CenterBook Partners held 991 shares of Assurant worth $216K as of Q1 2026.
Assurant was a new CenterBook Partners position in Q1 2026.
Assurant made up 0.01% of CenterBook Partners's portfolio in Q1 2026, its #614 holding.
CenterBook Partners first reported a position in Assurant in Q4 2021 and has held it in 13 quarters since.
CenterBook Partners's Assurant position peaked at $1.81M in Q1 2024.
580 funds tracked by Wall St. Rank held Assurant as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.