Institutional holders Insiders (Form 4) Congress
% of shares outstanding held
68.5%
Shares held (13F)
6,143,232
Top holders largest 25 of 25 · Δ vs 2025-Q4 # Holder Shares Value % of shares out Δ QoQ 1 1 JANUS HENDERSON GROUP PLC 1,292,757 1.3M $16M 14.42% NEW † 2 2 Deep Track Capital, LP 835,655 835,655 $11M 9.32% NEW † 3 3 WELLINGTON MANAGEMENT GROUP LLP 696,378 696,378 $9M 7.77% NEW † 4 4 Trails Edge Capital Partners, LP 557,103 557,103 $7M 6.21% NEW † 5 5 Ally Bridge Group (NY) LLC 414,219 414,219 $5M 4.62% ADD 66% 6 6 Woodline Partners LP 395,295 395,295 $5M 4.41% NEW † 7 7 GREAT POINT PARTNERS LLC 371,402 371,402 $5M 4.14% NEW † 8 8 Yu Fan 329,760 329,760 $4M 3.68% NEW † 9 9 SPHERA FUNDS MANAGEMENT LTD. 325,591 325,591 $4M 3.63% ADD 2658% 10 10 Squadron Capital Management LLC 324,977 324,977 $4M 3.62% NEW † 11 11 ADAGE CAPITAL PARTNERS GP, L.L.C. 139,275 139,275 $2M 1.55% NEW 12 12 ADAR1 Capital Management, LLC 95,350 95,350 $1M 1.06% NEW 13 13 683 Capital Management, LLC 92,850 92,850 $1M 1.04% NEW 14 14 MILLENNIUM MANAGEMENT LLC 77,921 77,921 $989,597 0.87% NEW 15 15 Empery Asset Management, LP 60,353 60,353 $766,483 0.67% NEW 16 16 Ikarian Capital, LLC 55,000 55,000 $698,500 0.61% NEW 17 17 HEIGHTS CAPITAL MANAGEMENT, INC 50,660 50,660 $643,382 0.56% NEW 18 18 BOOTHBAY FUND MANAGEMENT, LLC 16,043 16,043 $203,746 0.18% NEW 19 19 Seven Fleet Capital Management LP 10,600 10,600 $134,620 0.12% NEW 20 20 UBS Group AG 1,300 1,300 $16,510 0.01% TRIM -10% 21 21 OSAIC HOLDINGS, INC. 360 360 $4,572 0.00% — 22 22 ROYAL BANK OF CANADA 268 268 $4,000 0.00% ADD 23% 23 23 Steward Partners Investment Advisory, LLC 100 100 $1,270 0.00% NEW 24 24 Federation des caisses Desjardins du Quebec 10 10 $127 0.00% TRIM -97% 25 25 TD Waterhouse Canada Inc. 5 5 $65 0.00% TRIM -80%
† a filer this large appearing as NEW usually reflects a renamed or succeeded filing entity (the old name stops filing the same quarter) — not a brand-new position.
Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.
Holder trends· top 15 holders · shares held over 6 quarters green added · red trimmed6 12 24 Max
Shares reported each quarter by the largest current holders. Green = added vs the prior filing, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.
Institutional footprint by quarter % of shares outstanding held 108.7% 0.1% reporting 13F holders 25 1 2015-Q3 2026-Q1 2015-Q3 · 1 holders · 0.8% of shares out 2015-Q4 · 1 holders · 0.8% of shares out 2016-Q1 · 1 holders · 0.8% of shares out 2016-Q2 · 1 holders · 0.8% of shares out 2016-Q3 · 1 holders · 0.8% of shares out 2017-Q4 · 1 holders · 0.1% of shares out 2018-Q1 · 2 holders · 1.1% of shares out 2018-Q2 · 3 holders · 2.1% of shares out 2018-Q3 · 2 holders · 3.1% of shares out 2018-Q4 · 2 holders · 3.1% of shares out 2019-Q1 · 2 holders · 3.1% of shares out 2019-Q2 · 2 holders · 3.1% of shares out 2019-Q3 · 3 holders · 2.4% of shares out 2019-Q4 · 3 holders · 2.4% of shares out 2020-Q1 · 3 holders · 2.4% of shares out 2020-Q2 · 2 holders · 0.3% of shares out 2020-Q3 · 3 holders · 0.9% of shares out 2020-Q4 · 2 holders · 0.3% of shares out 2021-Q1 · 2 holders · 0.3% of shares out 2021-Q2 · 2 holders · 0.3% of shares out 2021-Q3 · 2 holders · 0.3% of shares out 2021-Q4 · 1 holders · 0.1% of shares out 2022-Q1 · 1 holders · 0.1% of shares out 2022-Q2 · 1 holders · 0.1% of shares out 2022-Q3 · 13 holders · 2.1% of shares out 2022-Q4 · 13 holders · 2.1% of shares out 2023-Q1 · 12 holders · 2.1% of shares out 2023-Q2 · 13 holders · 2.1% of shares out 2023-Q3 · 14 holders · 31.3% of shares out 2023-Q4 · 15 holders · 37.3% of shares out 2024-Q1 · 16 holders · 37.7% of shares out 2024-Q2 · 16 holders · 36.4% of shares out 2024-Q3 · 18 holders · % suppressed/unavailable 2024-Q4 · 18 holders · 108.7% of shares out 2025-Q1 · 16 holders · 103.9% of shares out 2025-Q2 · 19 holders · 94.5% of shares out 2025-Q3 · 23 holders · % suppressed/unavailable 2025-Q4 · 9 holders · 3.0% of shares out 2026-Q1 · 25 holders · 68.5% of shares out Line breaks are honest gaps — quarters with no 13F record, or a suppressed % — never interpolated. % of shares outstanding uses today's share count for every quarter (the only count stored).
Quarter Holders Shares held % shares out Value held 2026-Q1 25 6,143,232 68.5% $78M 2025-Q4 9 264,549 3.0% $2M 2025-Q3 23 9,993,962 — $4M 2025-Q2 19 8,478,586 94.5% $4M 2025-Q1 16 9,314,656 103.9% $6M 2024-Q4
Short interest has its own tab now — open SI →
Source: SEC Form 13F — every institution manager (≥ $100M in 13F securities) reporting a long US-listed position, across ~10,250 filers over 10 years of history. 13F is long-only, US-listed, filed up to 45 days after quarter-end.
