Jane Street’s NioCorp Developments NB Stock Holding History

Jane Street’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 Q2	$423K	Sell	87,692 -304,408	-78%	-$1.67M	﹤0.01%	8417
2026 Q1	$1.75M	Sell	392,100 -329,439	-46%	-$1.89M	﹤0.01%	5347
2025 Q4	$3.82M	Buy	721,539 +13,170	+2%	+$90.6K	﹤0.01%	3655
2025 Q3	$4.73M	Buy	708,369 +690,669	+3,902%	+$2.91M	﹤0.01%	3499
2025 Q2	$41.2K	Buy	+17,700	New	+$44.2K	﹤0.01%	9218
2025 Q1	–	Sell	-231,604	Closed	-$359K	–	10201
2024 Q4	$359K	Buy	+231,604	New	+$367K	﹤0.01%	7430
2024 Q3	–	Sell	-10,272	Closed	-$17.8K	–	10118
2024 Q2	$17.8K	Buy	+10,272	New	+$23.9K	﹤0.01%	9050

Other funds holding NB

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

BHCM

Brevan Howard Capital Management St. Helier, Jersey $13.5B AUM 44.56% 1-Year Est. Return

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

PMG

Private Management Group Irvine, California $3.8B AUM 23.19% 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

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Jane Street's NB Position: Q2 2026 in Review

Jane Street reduced its NioCorp Developments (NB) stake by 78% in Q2 2026, selling an estimated $1.67M and leaving 87,692 shares worth $423K. The position accounts for ﹤0.01% of the portfolio, ranked #8417.

Jane Street first reported a position in NB in Q2 2024 and has held it in 7 quarters since. The position peaked at $4.73M in Q3 2025. 206 funds tracked by Wall St. Rank hold NB as of Q2 2026.

Jane Street held 87,692 shares of NioCorp Developments worth $423K as of Q2 2026.
Jane Street sold 304,408 NioCorp Developments shares in Q2 2026, an estimated $1.67M.
NioCorp Developments made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #8417 holding.
Jane Street first reported a position in NioCorp Developments in Q2 2024 and has held it in 7 quarters since.
Jane Street's NioCorp Developments position peaked at $4.73M in Q3 2025.
206 funds tracked by Wall St. Rank held NioCorp Developments as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.