Magnetar Financial’s Assurant AIZ Stock Holding History

Magnetar Financial’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
2025 Q2	–	Sell	-22,180	Closed	-$4.65M	–	880
2025 Q1	$4.65M	Buy	+22,180	New	+$4.63M	0.06%	190
2024 Q3	–	Sell	-3,714	Closed	-$617K	–	518
2024 Q2	$617K	Buy	+3,714	New	+$644K	0.01%	319
2024 Q1	–	Sell	-2,414	Closed	-$407K	–	367
2023 Q4	$407K	Buy	+2,414	New	+$384K	0.01%	313
2023 Q3	–	Sell	-5,460	Closed	-$686K	–	441
2023 Q2	$686K	Sell	5,460 -2,815	-34%	-$351K	0.02%	307
2023 Q1	$994K	Buy	+8,275	New	+$1.04M	0.02%	380
2022 Q4	–	Sell	-9,172	Closed	-$1.33M	–	773
2022 Q3	$1.33M	Sell	9,172 -12,417	-58%	-$2.03M	0.02%	665
2022 Q2	$3.73K	Buy	+21,589	New	+$3.91M	0.04%	388
2022 Q1	–	Sell	-25,304	Closed	-$3.94M	–	1311
2021 Q4	$3.94M	Buy	+25,304	New	+$4.01M	0.04%	480
2017 Q4	–	Sell	-3,468	Closed	-$331K	–	682
2017 Q3	$331K	Buy	+3,468	New	+$346K	0.01%	513
2016 Q2	–	Sell	-4,371	Closed	-$337K	–	361
2016 Q1	$337K	Sell	4,371 -728	-14%	-$55.3K	0.01%	283
2015 Q4	$411K	Buy	+5,099	New	+$420K	﹤0.01%	210

Other funds holding AIZ

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

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

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

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

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

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Magnetar Financial's AIZ Position: Q2 2025 in Review

Magnetar Financial sold out of Assurant (AIZ) in Q2 2025, closing a stake of 22,180 shares — an estimated $4.65M sold.

Magnetar Financial first reported a position in AIZ in Q4 2015 and held it in 11 quarters. The position peaked at $4.65M in Q1 2025. 547 funds tracked by Wall St. Rank hold AIZ as of Q2 2025.

Magnetar Financial reported no remaining Assurant position as of Q2 2025 after selling out during the quarter.
Magnetar Financial sold 22,180 Assurant shares in Q2 2025, an estimated $4.65M.
Magnetar Financial first reported a position in Assurant in Q4 2015 and held it in 11 quarters.
Magnetar Financial's Assurant position peaked at $4.65M in Q1 2025.
547 funds tracked by Wall St. Rank held Assurant as of Q2 2025.

Based on Magnetar Financial's 13F filing for Q2 2025, filed 12 Aug 2025.