JY
NB

Jeff Yass’s NioCorp Developments NB Stock Holding History

Jeff Yass’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 		$1.85M Buy
384,700
+36,500
+10% +$200K ﹤0.01% 6661
2026
Q1 		$1.55M Sell
348,200
-106,400
-23% -$610K ﹤0.01% 6785
2025
Q4 		$2.41M Buy
454,600
+248,500
+121% +$1.71M ﹤0.01% 5261
2025
Q3 		$1.38M Buy
206,100
+179,200
+666% +$756K ﹤0.01% 6590
2025
Q2 		$62.7K Buy
26,900
+15,500
+136% +$38.7K ﹤0.01% 12039
2025
Q1 		$22.5K Buy
11,400
+1,400
+14% +$2.81K ﹤0.01% 12083
2024
Q4 		$15.5K Sell
10,000
-3,000
-23% -$4.75K ﹤0.01% 11945
2024
Q3 		$28.3K Buy
13,000
+2,600
+25% +$4.77K ﹤0.01% 11547
2024
Q2 		$18K Buy
+10,400
New +$24.2K ﹤0.01% 11686
2023
Q3 		– Sell
-14,300
Closed -$71.9K – 12618
2023
Q2 		$71.9K Buy
+14,300
New +$81.6K ﹤0.01% 11162

Other funds holding NB

California State Teachers Retirement System (CalSTRS)
California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return
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 40.91% 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

Jeff Yass's NB Position: Q2 2026 in Review

Jeff Yass reduced its NioCorp Developments (NB) stake by 48% in Q2 2026, selling an estimated $939K and leaving 188,875 shares worth $910K. The position accounts for ﹤0.01% of the portfolio, ranked #8429.

Jeff Yass first reported a position in NB in Q4 2023 and has held it in 10 quarters since. The position peaked at $1.61M in Q1 2026. 208 funds tracked by Wall St. Rank hold NB as of Q2 2026.

  • Jeff Yass held 188,875 shares of NioCorp Developments worth $910K as of Q2 2026.
  • Jeff Yass sold 171,575 NioCorp Developments shares in Q2 2026, an estimated $939K.
  • NioCorp Developments made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #8429 holding.
  • Jeff Yass first reported a position in NioCorp Developments in Q4 2023 and has held it in 10 quarters since.
  • Jeff Yass's NioCorp Developments position peaked at $1.61M in Q1 2026.
  • 208 funds tracked by Wall St. Rank held NioCorp Developments as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.