WhaleCreep

Which hedge funds own BLLN? BILLIONTOONE INC, Q2 2026 13F holders

HealthcareDiagnostics & Research

29 tracked hedge funds disclosed a position in BLLN (BILLIONTOONE INC) in their Q2 2026 13F filings, worth $250.7m in total. The largest holder by portfolio weight is Blue Water Life Science Advisors, LP at 5.3% of its book. 19 opened a new position this quarter: Scientech Research LLC, MIC Capital Management UK LLP, Voloridge Investment Management, LLC, Weiss Asset Management LP. 7 exited: PFM Health Sciences, LP, Deep Track Capital, LP, MYDA Advisors LLC.

29
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
19
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
7
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$97.7m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$14.0m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$251m
Combined value
Sum of the holders' reported positions in the security.
2.3%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

29 rows
Blue Water Life Science Advisors, LP Hedge fund5.3%$8.4m70,000+250%added
Scientech Research LLC Hedge fund1.4%$1.7m14,490–new
Brandywine Managers, LLC Hedge fund0.3%$690k5,7500.0%held
Perceptive Advisors LLC Hedge fund0.2%$10.4m86,812−5.4%reduced
MIC Capital Management UK LLP Hedge fund0.1%$587k4,892–new
Seven Grand Managers, LLC Hedge fund0.1%$3.0m25,0000.0%held
Quantbot Technologies LP Hedge fund0.1%$3.0m24,651+61528%added
Baillie Gifford Long-only investor0.10%$108m901,420−28%reduced
Voloridge Investment Management, LLC Hedge fund0.06%$14.0m117,063–new
Weiss Asset Management LP Hedge fund0.06%$5.2m43,057–new
Verition Fund Management LLC Hedge fund0.05%$6.8m57,000–new
Gsa Capital Partners LLP Hedge fund0.05%$744k6,203–new
Millennium Management LLC Hedge fund0.03%$51.0m425,032–new
Entropy Technologies, LP Hedge fund0.03%$804k6,700–new
Trexquant Investment LP Hedge fund0.02%$3.4m28,105–new
Polen Capital Long-only investor0.02%$2.0m16,975–new
Renaissance Technologies LLC Hedge fund0.02%$11.6m96,600+88%added
SummitTX Capital, L.P. Hedge fund0.01%$530k4,415–new
Occudo Quantitative Strategies LP Hedge fund0.01%$238k1,980–new
Tudor Investment Corp ET AL Hedge fund0.01%$2.6m21,517–new
Marshall Wace, LLP Hedge fund0.0%$5.4m44,662–new
Two Sigma Investments, LP Hedge fund0.0%$3.6m30,176−64%reduced
Squarepoint Ops LLC Hedge fund0.0%$1.1m8,773−62%reduced
ExodusPoint Capital Management, LP Hedge fund0.0%$221k1,838–new
D. E. Shaw & Co., Inc. Hedge fund0.0%$3.1m25,981+573%added
Freestone Grove Partners LP Hedge fund0.0%$184k1,533–new
Citadel Advisors LLC Hedge fund0.0%$1.8m15,155–new
First Manhattan Long-only investor0.0%$403k3,362–new
Quarry LP Hedge fund0.0%$1201–new