Ken Griffin’s NioCorp Developments NB Stock Holding History

Ken Griffin’s Portfolio NB Stock Details NB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$27.7M	Buy	6,204,197 +6,004,890	+3,013%	+$34.4M	﹤0.01%	1940
2025 Q4	$1.06M	Sell	199,307 -7,715,744	-97%	-$53.1M	﹤0.01%	7272
2025 Q3	$52.9M	Buy	+7,915,051	New	+$33.4M	0.01%	1323
2025 Q2	–	Sell	-79,066	Closed	-$197K	–	14161
2025 Q1	$156K	Sell	79,066 -46,484	-37%	-$93.4K	﹤0.01%	10819
2024 Q4	$195K	Buy	125,550 +50,218	+67%	+$79.5K	﹤0.01%	10505
2024 Q3	$164K	Buy	75,332 +68,204	+957%	+$125K	﹤0.01%	10443
2024 Q2	$12.3K	Buy	+7,128	New	+$16.6K	﹤0.01%	12990
2024 Q1	–	Sell	-7,950	Closed	-$25.4K	–	15180
2023 Q4	$25.4K	Buy	+7,950	New	+$28.7K	﹤0.01%	12414
2023 Q3	–	Sell	-13,970	Closed	-$70.3K	–	14809
2023 Q2	$70.3K	Buy	+13,970	New	+$79.7K	﹤0.01%	11385

Other funds holding NB

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

BHCM

Brevan Howard Capital Management St. Helier, Jersey $11.3B AUM 35.84% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

PMG

Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Ken Griffin's NB Position: Q1 2026 in Review

Ken Griffin increased its NioCorp Developments (NB) stake by 3,013% in Q1 2026, buying an estimated $34.4M and bringing the position to 6,204,197 shares worth $27.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1940.

Ken Griffin first reported a position in NB in Q2 2023 and has held it in 9 quarters since. The position peaked at $52.9M in Q3 2025. 204 funds tracked by Wall St. Rank hold NB as of Q1 2026.

Ken Griffin held 6,204,197 shares of NioCorp Developments worth $27.7M as of Q1 2026.
Ken Griffin bought 6,004,890 NioCorp Developments shares in Q1 2026, an estimated $34.4M.
NioCorp Developments made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #1940 holding.
Ken Griffin first reported a position in NioCorp Developments in Q2 2023 and has held it in 9 quarters since.
Ken Griffin's NioCorp Developments position peaked at $52.9M in Q3 2025.
204 funds tracked by Wall St. Rank held NioCorp Developments as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.