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	$5.32M	Sell	1,104,500 -266,400	-19%	-$1.46M	﹤0.01%	4492
2026 Q1	$6.11M	Sell	1,370,900 -871,200	-39%	-$5M	﹤0.01%	3897
2025 Q4	$11.9M	Buy	2,242,100 +1,206,000	+116%	+$8.3M	﹤0.01%	2837
2025 Q3	$6.92M	Buy	1,036,100 +809,700	+358%	+$3.42M	﹤0.01%	3577
2025 Q2	$528K	Buy	226,400 +83,700	+59%	+$209K	﹤0.01%	9054
2025 Q1	$281K	Buy	+142,700	New	+$287K	﹤0.01%	10198
2023 Q3	–	Sell	-10,500	Closed	-$52.8K	–	12617
2023 Q2	$52.8K	Buy	+10,500	New	+$59.9K	﹤0.01%	11319

Other funds holding NB

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

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

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.