Ken Griffin
NB

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 		$1.43M Buy
321,100
+15,700
+5% +$90K ﹤0.01% 6823
2025
Q4 		$1.62M Buy
305,400
+269,200
+744% +$1.85M ﹤0.01% 6344
2025
Q3 		$242K Buy
36,200
+24,900
+220% +$105K ﹤0.01% 10835
2025
Q2 		$26.3K Buy
11,300
+9,400
+495% +$23.4K ﹤0.01% 12037
2025
Q1 		$3.74K Buy
+1,900
New +$3.82K ﹤0.01% 13941
2024
Q4 		– Sell
-1,800
Closed -$3.92K – 15084
2024
Q3 		$3.92K Buy
1,800
+300
+20% +$550 ﹤0.01% 13611
2024
Q2 		$2.6K Buy
+1,500
New +$3.5K ﹤0.01% 13666
2024
Q1 		– Sell
-3,000
Closed -$9.57K – 15179
2023
Q4 		$9.57K Buy
+3,000
New +$10.8K ﹤0.01% 13147

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 $11.3B AUM 35.84% 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 $3.8B AUM 23.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
Northern Trust
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.