Institutional holders Insiders (Form 4) Congress
% of shares outstanding held
2.3%
Shares held (13F)
3,908,839
Top holders largest 21 of 21 · Δ vs 2025-Q4 # Holder Shares Value % of shares out Δ QoQ 1 1 Frazier Life Sciences Management, L.P. 2,291,666 2.3M $14M 1.32% — 2 2 NOVO HOLDINGS A/S 1,057,421 1.1M $7M 0.61% TRIM -54% 3 3 GENERAL AMERICAN INVESTORS CO INC 354,361 354,361 $2M 0.20% — 4 4 WELLS FARGO & COMPANY/MN 78,029 78,029 $487,681 0.04% TRIM -37% 5 5 MORGAN STANLEY 46,925 46,925 $293,282 0.03% ADD 9% 6 6 IRONWOOD INVESTMENT MANAGEMENT LLC 25,135 25,135 $157,094 0.01% — 7 7 HRT FINANCIAL LP 20,847 20,847 $130,000 0.01% NEW 8 8 OLD MISSION CAPITAL LLC 13,759 13,759 $85,993 0.01% NEW 9 9 VSM Wealth Advisory, LLC 10,000 10,000 $62,500 0.01% NEW 10 10 China Universal Asset Management Co., Ltd. 5,000 5,000 $31,250 0.00% — 11 11 RHUMBLINE ADVISERS 1,793 1,793 $11,205 0.00% — 12 12 GAMMA Investing LLC 1,426 1,426 $8,913 0.00% TRIM -23% 13 13 Steigerwald, Gordon & Koch Inc. 1,250 1,250 $7,813 0.00% NEW 14 14 UBS Group AG 782 782 $4,888 0.00% ADD 285% 15 15 BNP PARIBAS FINANCIAL MARKETS 200 200 $1,250 0.00% NEW 16 16 EverSource Wealth Advisors, LLC 91 91 $569 0.00% TRIM -7% 17 17 OSAIC HOLDINGS, INC. 55 55 $344 0.00% TRIM -96% 18 18 Clearstead Advisors, LLC 48 48 $303 0.00% — 19 19 Smartleaf Asset Management LLC 43 43 $266 0.00% — 20 20 Allworth Financial LP 7 7 $44 0.00% — 21 21 Activest Wealth Management 1 1 $6 0.00% —
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
Holder 2024-Q4 2025-Q1 2025-Q2 2025-Q3 2025-Q4 2026-Q1 Latest value Frazier Life Sciences Management, L.P. — — 1.5M 2.3M 2.3M 2.3M $14M NOVO HOLDINGS A/S — — 2.4M 2.3M 2.3M 1.1M $7M GENERAL AMERICAN INVESTORS CO INC 354K 354K 354K 354K 354K 354K $2M WELLS FARGO & COMPANY/MN 247K 243K 245K 154K 123K 78K $487,681 MORGAN STANLEY 3K 5K 8K 33K 43K 47K $293,282 IRONWOOD INVESTMENT MANAGEMENT LLC 25K 25K 25K 25K 25K 25K $157,094 HRT FINANCIAL LP — — — — — 21K $130,000 OLD MISSION CAPITAL LLC — — — — — 14K $85,993 VSM Wealth Advisory, LLC 1K 4K 4K 9K — 10K $62,500 China Universal Asset Management Co., Ltd. — — — — 5K 5K $31,250 RHUMBLINE ADVISERS — 174 51 218 2K 2K $11,205 GAMMA Investing LLC — 2K 1K 2K 2K 1K $8,913 Steigerwald, Gordon & Koch Inc. — — — — — 1K $7,813 UBS Group AG — 37 1 472 203 782 $4,888 BNP PARIBAS FINANCIAL MARKETS — — — — — 200 $1,250
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 3.0% 0.0% reporting 13F holders 21 8 2021-Q2 2026-Q1 2021-Q2 · 9 holders · 0.5% of shares out 2021-Q3 · 8 holders · 0.2% of shares out 2021-Q4 · 10 holders · 0.1% of shares out 2022-Q1 · 11 holders · 0.1% of shares out 2022-Q2 · 9 holders · 0.0% of shares out 2022-Q3 · 11 holders · 0.3% of shares out 2022-Q4 · 10 holders · 0.2% of shares out 2023-Q1 · 11 holders · 0.2% of shares out 2023-Q2 · 11 holders · 0.2% of shares out 2023-Q3 · 10 holders · 0.2% of shares out 2023-Q4 · 9 holders · 0.2% of shares out 2024-Q1 · 11 holders · 0.3% of shares out 2024-Q2 · 11 holders · 0.4% of shares out 2024-Q3 · 10 holders · 0.4% of shares out 2024-Q4 · 12 holders · 0.4% of shares out 2025-Q1 · 14 holders · 0.4% of shares out 2025-Q2 · 18 holders · 2.6% of shares out 2025-Q3 · 18 holders · 3.0% of shares out 2025-Q4 · 19 holders · 3.0% of shares out 2026-Q1 · 21 holders · 2.3% 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 21 3,908,839 2.3% $24M 2025-Q4 19 5,196,705 3.0% $46M 2025-Q3 18 5,283,784 3.0% $64M 2025-Q2 18 4,521,059 2.6% $26M 2025-Q1 14 674,474 0.4% $5M 2024-Q4 12 719,334 0.4% $3M 2024-Q3 10 717,704 0.4% $4M 2024-Q2 11 653,472 0.4% $5M 2024-Q1 11 461,688 0.3% $4M 2023-Q4 9 391,347 0.2% $4M 2023-Q3 10 397,401 0.2%
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.
