RhumbLine Advisers’s NioCorp Developments NB Stock Holding History

RhumbLine Advisers’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	$552K	Buy	123,683 +39,492	+47%	+$226K	﹤0.01%	2552
2025 Q4	$446K	Buy	84,191 +14,574	+21%	+$100K	﹤0.01%	2739
2025 Q3	$465K	Buy	69,617 +22,329	+47%	+$94.2K	﹤0.01%	2748
2025 Q2	$110K	Buy	+47,288	New	+$118K	﹤0.01%	3499
2024 Q3	–	Sell	-270	Closed	-$467	–	4285
2024 Q2	$467	Sell	270 -1,576	-85%	-$3.67K	﹤0.01%	4291
2024 Q1	$5.02K	Sell	1,846 -453	-20%	-$1.27K	﹤0.01%	3982
2023 Q4	$7.33K	Buy	2,299 +326	+17%	+$1.18K	﹤0.01%	3918
2023 Q3	$7.16K	Buy	1,973 +606	+44%	+$2.57K	﹤0.01%	3924
2023 Q2	$6.88K	Buy	+1,367	New	+$7.8K	﹤0.01%	4018

Other funds holding NB

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 Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Citigroup New York $235B AUM 32.99% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

RhumbLine Advisers's NB Position: Q1 2026 in Review

RhumbLine Advisers increased its NioCorp Developments (NB) stake by 47% in Q1 2026, buying an estimated $226K and bringing the position to 123,683 shares worth $552K. The position accounts for ﹤0.01% of the portfolio, ranked #2552.

RhumbLine Advisers first reported a position in NB in Q2 2023 and has held it in 9 quarters since. 204 funds tracked by Wall St. Rank hold NB as of Q1 2026.

RhumbLine Advisers held 123,683 shares of NioCorp Developments worth $552K as of Q1 2026.
RhumbLine Advisers bought 39,492 NioCorp Developments shares in Q1 2026, an estimated $226K.
NioCorp Developments made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #2552 holding.
RhumbLine Advisers first reported a position in NioCorp Developments in Q2 2023 and has held it in 9 quarters since.
204 funds tracked by Wall St. Rank held NioCorp Developments as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.