Question 1

Does Magnetar Financial own S stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Magnetar Financial holds 14,079 shares of S (SentinelOne), worth $238,921.

Question 2

How many shares of S does Magnetar Financial own?

Accepted Answer

As of its Q2 2026 13F, Magnetar Financial holds 14,079 shares of S (SentinelOne).

Question 3

What is Magnetar Financial's S position worth?

Accepted Answer

As of its Q2 2026 13F, Magnetar Financial's S position is worth $238,921.

Question 4

Is Magnetar Financial buying or selling S?

Accepted Answer

In Q2 2026, Magnetar Financial reduced its S position by 135,882 shares (-90.6%).

Question 5

When did Magnetar Financial first buy S?

Accepted Answer

Magnetar Financial already held S in its Q2 2021 13F, the earliest on record, and has listed it in 7 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	14,079	-90.6%	$238,921	0.0%	$16.97	0
2026-Q1	New	149,961	-	$1.9M	0.0%	$13.27	36
2023-Q2	Exited	0	-100.0%	$0	0.0%	$14.86	0
2023-Q1	Increased	57,292	+37.3%	$937,297	0.0%	$16.36	33
2022-Q4	New	41,732	-	$609,000	0.0%	$14.59	34
2022-Q2	Exited	0	-100.0%	$0	0.0%	$24.65	0
2022-Q1	Decreased	7,783	-32.1%	$302,000	0.0%	$38.87	0
2021-Q4	New	11,470	-	$579,000	0.0%	$52.31	34
2021-Q3	Exited	0	-100.0%	$0	0.0%	$54.38	0
2021-Q2	New	15,000	-	$638,000	0.0%	$42.50	34