Jane Street
NB

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 		$602K Buy
124,900
+88,900
+247% +$487K ﹤0.01% 7594
2026
Q1 		$161K Buy
36,000
+10,900
+43% +$62.5K ﹤0.01% 10331
2025
Q4 		$133K Buy
+25,100
New +$173K ﹤0.01% 10023
2025
Q3 		– Sell
-10,700
Closed -$24.9K – 11427
2025
Q2 		$24.9K Buy
+10,700
New +$26.7K ﹤0.01% 9329

Other funds holding NB

BlackRock
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
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
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Goldman Sachs
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. 210 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.
  • 210 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.