JADE BIOSCIENCES INC (JBIO) Institutional Shareholders
JADE BIOSCIENCES INC (JBIO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.46B in JBIO holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of JBIO tracked by InsiderSet, reporting ownership valued at approximately $202.80M in its June 30, 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 $154.61M, representing an estimated loss of -23.76% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed JBIO value among the investors covered in this analysis. Major shareholders include Fmr Llc, Fairmount Funds Management Llc, Ra Capital Management, L.P., and several other long-term asset managers with concentrated positions in JADE BIOSCIENCES INC (JBIO).
This page ranks the largest institutional JBIO 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
147
Total Reported Value
$1.46B
Largest Holder
Fmr Llc
Largest Position
$202.80M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
143
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.01% | 9,126,877 | $202,799,207 | $154,609,296 | -$48,189,911 | -23.76% | |
| Fairmount Funds Management Llc | 6.69% | 4,553,494 | $101,178,637 | $77,136,188 | -$24,042,449 | -23.76% | |
| Ra Capital Management, L.P. | 0.71% | 3,671,083 | $81,571,464 | $62,188,146 | -$19,383,318 | -23.76% | |
| Venrock Adviser, Llc | 2.17% | 3,220,364 | $71,556,488 | $54,552,966 | -$17,003,522 | -23.76% | |
| Bellevue Group Ag | 1.43% | 3,057,996 | $67,948,671 | $51,802,452 | -$16,146,219 | -23.76% | |
| Paradigm Biocapital Advisors Lp | 1.19% | 2,857,405 | $63,491,539 | $48,404,441 | -$15,087,098 | -23.76% | |
| Blackrock, Inc. | 0.00% | 2,801,451 | $62,248,241 | $47,456,580 | -$14,791,661 | -23.76% | |
| State Street Corp | 0.00% | 2,335,285 | $51,890,033 | $39,559,728 | -$12,330,305 | -23.76% | |
| Vanguard Capital Management Llc | 0.00% | 2,244,773 | $49,878,856 | $38,026,455 | -$11,852,401 | -23.76% | |
| Janus Henderson Group Plc | 0.02% | 3,105,669 | $43,557,008 | $52,610,033 | +$9,053,025 | +20.78% | |
| Adage Capital Partners Gp, L.L.C. | 0.06% | 1,910,812 | $42,458,243 | $32,369,155 | -$10,089,088 | -23.76% | |
| Polar Capital Holdings Plc | 0.12% | 1,846,982 | $41,039,940 | $31,287,875 | -$9,752,065 | -23.76% | |
| Avidity Partners Management Lp | 6.05% | 1,700,708 | $37,789,732 | $28,809,994 | -$8,979,738 | -23.76% | |
| Remedium Capital Partners, Llc | 7.76% | 1,577,750 | $35,057,605 | $26,727,085 | -$8,330,520 | -23.76% | |
| Soleus Capital Management, L.P. | 1.19% | 1,550,690 | $34,456,332 | $26,268,689 | -$8,187,643 | -23.76% | |
| Jpmorgan Chase & Co | 0.00% | 1,475,079 | $32,613,997 | $24,987,838 | -$7,626,159 | -23.38% | |
| Baker Bros. Advisors Lp | 0.14% | 1,230,426 | $27,340,066 | $20,843,416 | -$6,496,650 | -23.76% | |
| Logos Global Management Lp | 1.08% | 1,125,000 | $24,997,500 | $19,057,500 | -$5,940,000 | -23.76% | |
| Versant Venture Management, Llc | 13.55% | 991,783 | $22,037,418 | $16,800,804 | -$5,236,614 | -23.76% | |
| Acorn Capital Advisors, Llc | 5.98% | 986,760 | $21,925,807 | $16,715,714 | -$5,210,093 | -23.76% | |
| Geode Capital Management, Llc | 0.00% | 985,178 | $21,896,658 | $16,688,915 | -$5,207,743 | -23.78% | |
| Citadel Advisors Llc | 0.01% | 929,407 | $20,651,423 | $15,744,155 | -$4,907,268 | -23.76% | |
| Foresite Capital Management Vi Llc | 3.07% | 886,667 | $19,701,741 | $15,020,139 | -$4,681,602 | -23.76% | |
| Balyasny Asset Management L.P. | 0.04% | 878,726 | $19,525,292 | $14,885,618 | -$4,639,674 | -23.76% | |
| Affinity Asset Advisors, Llc | 0.91% | 840,350 | $18,672,577 | $14,235,529 | -$4,437,048 | -23.76% | |
| Samsara Biocapital, Llc | 1.34% | 736,237 | $16,359,186 | $12,471,855 | -$3,887,331 | -23.76% | |
| Goldman Sachs Group Inc | 0.00% | 735,224 | $16,336,678 | $12,454,695 | -$3,881,983 | -23.76% | |
| Pictet Asset Management Holding Sa | 0.02% | 733,768 | $16,304,325 | $12,430,030 | -$3,874,295 | -23.76% | |
| Aberdeen Group Plc | 0.02% | 621,108 | $13,801,020 | $10,521,570 | -$3,279,450 | -23.76% | |
| Marshall Wace, Llp | 0.01% | 585,761 | $13,015,609 | $9,922,791 | -$3,092,818 | -23.76% | |
| Bank Of America Corp | 0.00% | 486,955 | $10,820,140 | $8,249,018 | -$2,571,122 | -23.76% | |
| Vanguard Portfolio Management Llc | 0.00% | 461,528 | $10,255,152 | $7,818,284 | -$2,436,868 | -23.76% | |
| Blackstone Inc. | 0.03% | 435,320 | $9,672,810 | $7,374,321 | -$2,298,489 | -23.76% | |
| Ikarian Capital, Llc | 1.55% | 427,349 | $9,495,694 | $7,239,292 | -$2,256,402 | -23.76% | |
| Walleye Capital Llc | 0.04% | 365,272 | $8,116,344 | $6,187,708 | -$1,928,636 | -23.76% | |
| Millennium Management Llc | 0.00% | 314,548 | $6,989,257 | $5,328,443 | -$1,660,814 | -23.76% | |
| Vanguard Fiduciary Trust Co | 0.00% | 304,867 | $6,774,145 | $5,164,447 | -$1,609,698 | -23.76% | |
| Northern Trust Corp | 0.00% | 295,081 | $6,556,700 | $4,998,672 | -$1,558,028 | -23.76% | |
| Lord, Abbett & Co. Llc | 0.01% | 226,606 | $5,035,000 | $3,838,706 | -$1,196,294 | -23.76% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 217,157 | $4,825,229 | $3,678,640 | -$1,146,589 | -23.76% | |
| Bnp Paribas Financial Markets | 0.00% | 199,429 | $4,431,312 | $3,378,327 | -$1,052,985 | -23.76% | |
| Jump Financial, Llc | 0.03% | 172,747 | $3,838,439 | $2,926,334 | -$912,105 | -23.76% | |
| Point72 Asset Management, L.P. | 0.01% | 167,204 | $3,715,273 | $2,832,436 | -$882,837 | -23.76% | |
| Russell Investments Group, Ltd. | 0.00% | 163,084 | $3,623,746 | $2,762,643 | -$861,103 | -23.76% | |
| Opaleye Management Inc. | 0.29% | 145,000 | $3,221,900 | $2,456,300 | -$765,600 | -23.76% | |
| Schroder Investment Management Group | 0.00% | 140,886 | $3,114,989 | $2,386,609 | -$728,380 | -23.38% | |
| Ubs Group Ag | 0.00% | 127,577 | $2,834,761 | $2,161,154 | -$673,607 | -23.76% | |
| Morgan Stanley | 0.00% | 124,513 | $2,766,679 | $2,109,250 | -$657,429 | -23.76% | |
| Quantinno Capital Management Lp | 0.00% | 114,716 | $2,548,990 | $1,943,289 | -$605,701 | -23.76% | |
| Boothbay Fund Management, Llc | 0.05% | 112,703 | $2,504,261 | $1,909,189 | -$595,072 | -23.76% |
Frequently asked questions about JBIO
Who owns the most JBIO stock?
The largest holders of JBIO 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 JADE BIOSCIENCES INC (JBIO).
Is JBIO widely held by superinvestors?
Many widely followed stocks like JBIO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly JBIO 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.