NIOCORP DEVELOPMENTS LTD (NB) Top Institutional Shareholders
NIOCORP DEVELOPMENTS LTD (NB) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $237.65M in NB holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of NB tracked by InsiderSet, reporting ownership valued at approximately $31.30M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $36.42M, representing an estimated gain of +16.37% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed NB value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Brevan Howard Capital Management Lp, Citadel Advisors Llc, and several other long-term asset managers with concentrated positions in NIOCORP DEVELOPMENTS LTD (NB).
This page ranks the largest institutional NB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
206
Total Reported Value
$237.65M
Largest Holder
Blackrock, Inc.
Largest Position
$31.30M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
189
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 7,017,758 | $31,299,200 | $36,422,164 | +$5,122,964 | +16.37% | |
| Brevan Howard Capital Management Lp | 0.28% | 6,485,000 | $28,047,625 | $33,657,150 | +$5,609,525 | +20.00% | |
| Citadel Advisors Llc | 0.02% | 6,204,197 | $27,670,719 | $32,199,782 | +$4,529,063 | +16.37% | |
| Alyeska Investment Group, L.P. | 0.05% | 4,313,607 | $19,238,687 | $22,387,620 | +$3,148,933 | +16.37% | |
| Goldman Sachs Group Inc | 0.00% | 3,287,363 | $14,661,640 | $17,061,414 | +$2,399,774 | +16.37% | |
| Private Management Group Inc | 0.28% | 2,145,364 | $9,568,323 | $11,134,439 | +$1,566,116 | +16.37% | |
| State Street Corp | 0.00% | 2,068,059 | $9,223,543 | $10,733,226 | +$1,509,683 | +16.37% | |
| Geode Capital Management, Llc | 0.00% | 1,556,532 | $6,940,861 | $8,078,401 | +$1,137,540 | +16.39% | |
| Citigroup Inc | 0.00% | 1,138,631 | $5,078,294 | $5,909,495 | +$831,201 | +16.37% | |
| Northern Trust Corp | 0.00% | 1,117,028 | $4,981,944 | $5,797,375 | +$815,431 | +16.37% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,008,851 | $4,499,475 | $5,235,937 | +$736,462 | +16.37% | |
| Dayah Capital Llc | 1.39% | 840,000 | $4,452,000 | $4,359,600 | -$92,400 | -2.08% | |
| Hite Hedge Asset Management Llc | 0.23% | 902,680 | $4,025,953 | $4,684,909 | +$658,956 | +16.37% | |
| Bridgewater Associates, Lp | 0.02% | 882,745 | $3,937,043 | $4,581,447 | +$644,404 | +16.37% | |
| Deltroit Asset Management (Uk) Llp | 0.67% | 867,750 | $3,870,165 | $4,503,623 | +$633,458 | +16.37% | |
| Nuveen, Llc | 0.00% | 722,860 | $3,223,956 | $3,751,643 | +$527,687 | +16.37% | |
| Alps Advisors Inc | 0.01% | 583,898 | $2,604,185 | $3,030,431 | +$426,246 | +16.37% | |
| Squarepoint Ops Llc | 0.01% | 562,949 | $2,510,753 | $2,921,705 | +$410,952 | +16.37% | |
| Point72 Asset Management, L.P. | 0.00% | 505,835 | $2,256,024 | $2,625,284 | +$369,260 | +16.37% | |
| Kingdon Capital Management, L.L.C. | 0.34% | 450,000 | $2,007,000 | $2,335,500 | +$328,500 | +16.37% | |
| Morgan Stanley | 0.00% | 442,378 | $1,973,005 | $2,295,942 | +$322,937 | +16.37% | |
| Ubs Group Ag | 0.00% | 412,041 | $1,837,704 | $2,138,493 | +$300,789 | +16.37% | |
| Jane Street Group, Llc | 0.00% | 392,100 | $1,748,767 | $2,034,999 | +$286,232 | +16.37% | |
| Jump Financial, Llc | 0.02% | 369,863 | $1,649,589 | $1,919,589 | +$270,000 | +16.37% | |
| Susquehanna International Group, Llp | 0.00% | 360,450 | $1,607,607 | $1,870,736 | +$263,129 | +16.37% | |
| Swiss National Bank | 0.00% | 287,500 | $1,282,250 | $1,492,125 | +$209,875 | +16.37% | |
| Altshuler Shaham Ltd | 0.02% | 13,748 | $1,250,793 | $71,352 | -$1,179,441 | -94.30% | |
| Charles Schwab Investment Management Inc | 0.00% | 258,268 | $1,151,875 | $1,340,411 | +$188,536 | +16.37% | |
| Bank Of Montreal | 0.00% | 249,007 | $1,110,571 | $1,292,346 | +$181,775 | +16.37% | |
| Corient Private Wealth Llc | 0.00% | 228,761 | $1,020,273 | $1,187,270 | +$166,997 | +16.37% | |
| D. E. Shaw & Co., Inc. | 0.00% | 226,516 | $1,010,261 | $1,175,618 | +$165,357 | +16.37% | |
| Bank Of New York Mellon Corp | 0.00% | 225,434 | $1,005,436 | $1,170,002 | +$164,566 | +16.37% | |
| Swiss Life Asset Management Ltd | 0.00% | 19,913 | $995,876 | $103,348 | -$892,528 | -89.62% | |
| Millennium Management Llc | 0.00% | 206,828 | $922,453 | $1,073,437 | +$150,984 | +16.37% | |
| Osaic Holdings, Inc. | 0.00% | 205,216 | $915,256 | $1,065,071 | +$149,815 | +16.37% | |
| Pfg Advisors | 0.04% | 196,675 | $877,171 | $1,020,743 | +$143,572 | +16.37% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.00% | 193,000 | $860,780 | $1,001,670 | +$140,890 | +16.37% | |
| Harfst & Associates, Inc. | 0.15% | 190,420 | $849,274 | $988,280 | +$139,006 | +16.37% | |
| Los Angeles Capital Management Llc | 0.00% | 189,159 | $843,649 | $981,735 | +$138,086 | +16.37% | |
| Bank Of America Corp | 0.00% | 176,385 | $786,677 | $915,438 | +$128,761 | +16.37% | |
| Raymond James Financial Inc | 0.00% | 175,146 | $781,151 | $909,008 | +$127,857 | +16.37% | |
| Lpl Financial Llc | 0.00% | 173,177 | $772,369 | $898,789 | +$126,420 | +16.37% | |
| Bnp Paribas Financial Markets | 0.00% | 159,104 | $709,604 | $825,750 | +$116,146 | +16.37% | |
| Quantinno Capital Management Lp | 0.00% | 155,554 | $693,771 | $807,325 | +$113,554 | +16.37% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.00% | 162,024 | $693,767 | $840,905 | +$147,138 | +21.21% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 154,888 | $690,800 | $803,869 | +$113,069 | +16.37% | |
| Marshall Wace, Llp | 0.00% | 135,000 | $602,100 | $700,650 | +$98,550 | +16.37% | |
| Advisory Services Network, Llc | 0.01% | 123,692 | $551,666 | $641,961 | +$90,295 | +16.37% | |
| Rhumbline Advisers | 0.00% | 123,683 | $551,620 | $641,915 | +$90,295 | +16.37% | |
| Legal & General Group Plc | 0.00% | 119,955 | $535,000 | $622,566 | +$87,566 | +16.37% |
Frequently asked questions about NB
Who owns the most NB stock?
The largest holders of NB are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NIOCORP DEVELOPMENTS LTD (NB).
Is NB widely held by superinvestors?
Many widely followed stocks like NB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NB is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.