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
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 $5.72T AUM 30.48% 1-Year Est. Return
BHCM
Brevan Howard Capital Management St. Helier, Jersey $11.3B AUM 35.84% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Jane Street's NB Position: Q1 2026 in Review

Jane Street reduced its NioCorp Developments (NB) stake by 46% in Q1 2026, selling an estimated $1.89M and leaving 392,100 shares worth $1.75M. The position accounts for ﹤0.01% of the portfolio, ranked #5347.

Jane Street first reported a position in NB in Q2 2024 and has held it in 6 quarters since. The position peaked at $4.73M in Q3 2025. 204 funds tracked by Wall St. Rank hold NB as of Q1 2026.

  • Jane Street held 392,100 shares of NioCorp Developments worth $1.75M as of Q1 2026.
  • Jane Street sold 329,439 NioCorp Developments shares in Q1 2026, an estimated $1.89M.
  • NioCorp Developments made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5347 holding.
  • Jane Street first reported a position in NioCorp Developments in Q2 2024 and has held it in 6 quarters since.
  • Jane Street's NioCorp Developments position peaked at $4.73M in Q3 2025.
  • 204 funds tracked by Wall St. Rank held NioCorp Developments as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.