GERN — Institutional owners (13F)

275 filers · $662.3M total · As of June 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institution Value Shares % of tracked 13F Type
BlackRock, Inc. $62,867,932 49,115,571 9.49% Shares
RA CAPITAL MANAGEMENT, L.P. $54,796,481 42,809,751 8.27% Shares
Soleus Capital Management, L.P. $54,795,084 42,808,659 8.27% Shares
VANGUARD GROUP INC $47,072,479 35,660,969 7.11% Shares
STATE STREET CORP $45,896,539 35,856,671 6.93% Shares
CITADEL ADVISORS LLC $37,169,828 29,038,928 5.61% Shares
VANGUARD CAPITAL MANAGEMENT LLC $34,880,275 27,250,215 5.27% Shares
Clearbridge Investments, LLC $25,150,531 19,648,853 3.80% Shares
Eversept Partners, LP $23,958,300 18,717,422 3.62% Shares
GOLDMAN SACHS GROUP INC $21,290,712 16,633,368 3.21% Shares
GEODE CAPITAL MANAGEMENT, LLC $18,635,455 14,555,954 2.81% Shares
MORGAN STANLEY $16,570,152 12,945,431 2.50% Shares
Nantahala Capital Management, LLC $15,648,000 12,225,000 2.36% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $13,840,125 10,812,598 2.09% Shares
Vivo Capital, LLC $11,099,900 8,671,797 1.68% Shares
MILLENNIUM MANAGEMENT LLC $10,383,702 8,112,267 1.57% Shares
Kynam Capital Management, LP $8,750,487 6,836,318 1.32% Shares
Candriam S.C.A. $7,147,270 5,589,182 1.08% Shares
FMR LLC $7,043,593 5,502,807 1.06% Shares
Pale Fire Capital SE $6,793,221 5,307,204 1.03% Shares
NORTHERN TRUST CORP $6,441,232 5,032,212 0.97% Shares
UBS Group AG $6,267,002 4,896,096 0.95% Shares
RENAISSANCE TECHNOLOGIES LLC $5,861,120 4,579,000 0.88% Shares
SEGALL BRYANT & HAMILL, LLC $5,741,509 4,485,554 0.87% Shares
TWO SIGMA INVESTMENTS, LP $5,514,257 4,308,013 0.83% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $5,484,367 4,284,662 0.83% Shares
TORONTO DOMINION BANK $5,420,800 4,235,000 0.82% Shares
Point72 Asset Management, L.P. $5,177,857 4,045,201 0.78% Shares
VANGUARD FIDUCIARY TRUST CO $5,073,361 3,963,563 0.77% Shares
BANK OF AMERICA CORP /DE/ $4,523,820 3,534,234 0.68% Shares
DEUTSCHE BANK AG\ $4,403,170 3,439,976 0.66% Shares
Qube Research & Technologies Ltd $4,302,828 3,361,584 0.65% Shares
PANAGORA ASSET MANAGEMENT INC $3,762,520 2,939,469 0.57% Shares
JANUS HENDERSON GROUP PLC $3,303,915 2,218,196 0.50% Shares
ExodusPoint Capital Management, LP $3,233,466 2,526,145 0.49% Shares
BNP PARIBAS FINANCIAL MARKETS $3,093,044 2,416,441 0.47% Shares
EDMOND DE ROTHSCHILD HOLDING S.A. $2,982,400 2,330,000 0.45% Shares
NAN FUNG TRINITY (HK) LTD $2,846,144 2,223,550 0.43% Shares
Bank of New York Mellon Corp $2,071,354 1,618,246 0.31% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,980,466 1,547,239 0.30% Shares
Nuveen, LLC $1,979,489 1,546,476 0.30% Shares
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,893,811 1,271,014 0.29% Shares
World Investment Advisors $1,540,331 1,033,779 0.23% Shares
MOORE CAPITAL MANAGEMENT, LP $1,525,684 1,191,941 0.23% Shares
Invesco Ltd. $1,504,266 1,175,208 0.23% Shares
Kodai Capital Management LP $1,420,015 893,091 0.21% Shares
Seven Fleet Capital Management LP $1,353,252 1,057,228 0.20% Shares
Virtus Investment Advisers, LLC $1,294,337 1,011,201 0.20% Shares
Voleon Capital Management LP $1,286,385 1,004,988 0.19% Shares
Swiss National Bank $1,233,920 964,000 0.19% Shares
CITIGROUP INC $1,057,556 826,216 0.16% Shares
RHUMBLINE ADVISERS $937,030 732,065 0.14% Shares
J. Goldman & Co LP $911,519 712,124 0.14% Shares
Man Group plc $891,736 696,669 0.13% Shares
ALLIANCEBERNSTEIN L.P. $852,013 571,821 0.13% Shares
SummitTX Capital, L.P. $840,991 657,024 0.13% Shares
ALPS ADVISORS INC $833,381 651,079 0.13% Shares
Exome Asset Management LLC $798,779 624,046 0.12% Shares
FRANKLIN RESOURCES INC $792,180 618,891 0.12% Shares
Rafferty Asset Management, LLC $776,243 606,440 0.12% Shares
Arax Advisory Partners $774,782 605,298 0.12% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $760,704 594,300 0.11% Put option
AMERIPRISE FINANCIAL INC $740,251 578,321 0.11% Shares
Lion Point Capital, LP $739,840 578,000 0.11% Shares
WELLS FARGO & COMPANY/MN $714,880 558,500 0.11% Shares
Summit X, LLC $697,653 494,789 0.11% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $693,930 542,133 0.10% Shares
Squarepoint Ops LLC $684,110 534,461 0.10% Shares
Quadrature Capital Ltd $670,802 524,064 0.10% Shares
Nvest Financial, LLC $661,952 517,150 0.10% Shares
ADAR1 Capital Management, LLC $647,446 505,817 0.10% Shares
Private Advisor Group, LLC $643,686 502,878 0.10% Shares
Verdad Advisers, LP $632,577 494,201 0.10% Shares
XTX Topco Ltd $593,788 463,897 0.09% Shares
CITADEL ADVISORS LLC $549,760 429,500 0.08% Put option
Inspire Investing, LLC $520,944 349,627 0.08% Shares
TWO SIGMA ADVISERS, LP $481,861 365,046 0.07% Shares
RAYMOND JAMES FINANCIAL INC $436,016 340,638 0.07% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $421,363 328,089 0.06% Shares
MetLife Investment Management, LLC $419,818 327,983 0.06% Shares
VANGUARD ASSET MANAGEMENT, Ltd $400,790 313,117 0.06% Shares
Legal & General Group Plc $396,220 309,547 0.06% Shares
PROFUND ADVISORS LLC $392,430 306,586 0.06% Shares
MOODY NATIONAL BANK TRUST DIVISION $380,421 297,204 0.06% Shares
JPMORGAN CHASE & CO $376,381 289,524 0.06% Shares
MML INVESTORS SERVICES, LLC $317,320 247,906 0.05% Shares
Mitsubishi UFJ Trust & Banking Corp $288,758 225,592 0.04% Shares
Vanguard Global Advisers, LLC $281,386 219,833 0.04% Shares
DIVERSIFIED TRUST CO $279,718 218,530 0.04% Shares
ALLSTATE CORP $269,037 210,185 0.04% Shares
STATE OF WISCONSIN INVESTMENT BOARD $268,279 209,593 0.04% Shares
Mason & Associates Inc $256,399 200,312 0.04% Shares
Verition Fund Management LLC $256,000 200,000 0.04% Call option
Cresset Asset Management, LLC $255,625 199,707 0.04% Shares
JANE STREET GROUP, LLC $246,912 192,900 0.04% Call option
ProShare Advisors LLC $241,398 188,592 0.04% Shares
LPL Financial LLC $233,494 182,417 0.04% Shares
Verition Fund Management LLC $222,322 173,689 0.03% Shares
NEW YORK STATE COMMON RETIREMENT FUND $219,460 171,453 0.03% Shares
Creative Planning $212,500 166,015 0.03% Shares
Headlands Technologies LLC $204,202 159,533 0.03% Shares
State of New Jersey Common Pension Fund D $198,830 155,336 0.03% Shares
LOS ANGELES CAPITAL MANAGEMENT LLC $197,696 154,450 0.03% Shares
Russell Investments Group, Ltd. $197,042 153,940 0.03% Shares
Police & Firemen's Retirement System of New Jersey $196,315 153,371 0.03% Shares
MANUFACTURERS LIFE INSURANCE COMPANY, THE $190,601 148,907 0.03% Shares
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM $181,916 142,122 0.03% Shares
EntryPoint Capital, LLC $176,184 137,644 0.03% Shares
INTECH INVESTMENT MANAGEMENT LLC $175,196 136,872 0.03% Shares
Schonfeld Strategic Advisors LLC $173,246 135,350 0.03% Shares
ARIZONA STATE RETIREMENT SYSTEM $169,676 132,559 0.03% Shares
Amundi $169,430 132,367 0.03% Shares
GROUP ONE TRADING LLC $167,251 130,665 0.03% Shares
D. E. Shaw & Co., Inc. $158,631 123,931 0.02% Shares
Vanguard Investments Australia, Ltd. $158,577 123,888 0.02% Shares
LAZARI CAPITAL MANAGEMENT, INC. $150,303 117,424 0.02% Shares
HighTower Advisors, LLC $150,200 117,344 0.02% Shares
BARCLAYS PLC $147,507 115,240 0.02% Shares
SIMPLEX TRADING, LLC $144,625 112,989 0.02% Shares
OSAIC HOLDINGS, INC. $142,620 111,424 0.02% Shares
VOYA INVESTMENT MANAGEMENT LLC $139,816 109,231 0.02% Shares
Graham Capital Management, L.P. $137,756 107,622 0.02% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $136,192 106,400 0.02% Call option
Zurcher Kantonalbank (Zurich Cantonalbank) $132,134 103,230 0.02% Shares
China Universal Asset Management Co., Ltd. $130,685 102,098 0.02% Shares
HUB Investment Partners, LLC $130,092 101,634 0.02% Shares
GLOBEFLEX CAPITAL L P $128,454 100,355 0.02% Shares
KLP KAPITALFORVALTNING AS $128,256 100,200 0.02% Shares
PRUDENTIAL FINANCIAL INC $122,665 95,832 0.02% Shares
AXQ CAPITAL, LP $121,733 95,104 0.02% Shares
CANADA PENSION PLAN INVESTMENT BOARD $114,560 89,500 0.02% Shares
Forefront Analytics, LLC $113,637 88,779 0.02% Shares
CITADEL ADVISORS LLC $109,568 85,600 0.02% Call option
E Fund Management Co., Ltd. $109,450 85,508 0.02% Shares
WOLVERINE TRADING, LLC $106,503 81,300 0.02% Call option
Polymer Capital Management (US) LLC $105,599 82,499 0.02% Shares
CREDIT AGRICOLE S A $105,088 82,100 0.02% Shares
Poehling Capital Management, INC. $97,537 76,201 0.01% Shares
CIBC Bancorp USA Inc. $93,402 72,971 0.01% Shares
VICTORY CAPITAL MANAGEMENT INC $92,849 72,538 0.01% Shares
Pictet Asset Management Holding SA $91,556 71,528 0.01% Shares
Vanguard Personalized Indexing Management, LLC $91,069 71,148 0.01% Shares
LAZARD ASSET MANAGEMENT LLC $83,045 64,879 0.01% Shares
FORESIGHT CAPITAL MANAGEMENT ADVISORS, INC. $80,000 62,500 0.01% Shares
MERCER GLOBAL ADVISORS INC /ADV $79,243 61,908 0.01% Shares
State of Wyoming $77,663 60,674 0.01% Shares
CenterBook Partners LP $75,862 59,267 0.01% Shares
TIAA-CREF INDIVIDUAL & INSTITUTIONAL SERVICES, LLC $74,560 58,250 0.01% Shares
TEACHER RETIREMENT SYSTEM OF TEXAS $72,131 56,352 0.01% Shares
AQR CAPITAL MANAGEMENT LLC $71,303 55,705 0.01% Shares
XPONANCE LLC $68,553 53,557 0.01% Shares
FLAGSHIP HARBOR ADVISORS, LLC $62,382 48,736 0.01% Shares
Swiss Life Asset Management Ltd $61,221 47,829 0.01% Shares
Ameritas Investment Partners, Inc. $58,415 45,637 0.01% Shares
JONES FINANCIAL COMPANIES LLLP $57,854 43,829 0.01% Shares
PINNACLE ASSOCIATES LTD $56,687 44,287 0.01% Shares
Pinnacle Wealth Management Advisory Group, LLC $56,687 44,287 0.01% Shares
PRINCIPAL FINANCIAL GROUP INC $54,776 42,794 0.01% Shares
Alternative Investment Advisors, LLC. $50,276 39,278 0.01% Shares
GUGGENHEIM CAPITAL LLC $47,983 37,487 0.01% Shares
CIBC WORLD MARKETS CORP $47,702 36,138 0.01% Shares
R Squared Ltd $45,543 35,580 0.01% Shares
IHT Wealth Management, LLC $45,120 35,250 0.01% Shares
JANE STREET GROUP, LLC $44,288 34,600 0.01% Put option
Corient Private Wealth LP $44,102 34,455 0.01% Shares
SEI INVESTMENTS CO $43,572 34,049 0.01% Shares
Tower Research Capital LLC (TRC) $40,671 31,774 0.01% Shares
Brevan Howard Capital Management LP $39,901 31,173 0.01% Shares
BANK OF MONTREAL /CAN/ $38,492 30,072 0.01% Shares
OneDigital Investment Advisors LLC $38,400 30,000 0.01% Shares
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC $38,252 30,120 0.01% Shares
Cetera Investment Advisers $38,102 29,767 0.01% Shares
Abel Hall, LLC $37,720 29,469 0.01% Shares
Mirae Asset Global Investments Co., Ltd. $36,724 28,691 0.01% Shares
EVENTIDE ASSET MANAGEMENT, LLC $36,465 28,050 0.01% Shares
SBI Securities Co., Ltd. $36,142 28,236 0.01% Shares
Elmwood Wealth Management, Inc. $36,096 28,200 0.01% Shares
Sowell Financial Services LLC $34,560 27,000 0.01% Shares
Summit Financial Strategies, Inc. $34,560 27,000 0.01% Shares
Savant Capital, LLC $33,296 26,012 0.01% Shares
Vishria Bird Financial Group, LLC $33,243 24,265 0.01% Shares
Dynamic Technology Lab Private Ltd $33,000 26,142 0.00% Shares
High Net Worth Advisory Group LLC $32,640 25,500 0.00% Shares
Rockefeller Capital Management L.P. $32,231 25,181 0.00% Shares
Vistica Wealth Advisors, LLC $32,000 25,000 0.00% Shares
StoneCrest Wealth Management, Inc. $32,000 25,000 0.00% Shares
GTS SECURITIES LLC $30,428 23,772 0.00% Shares
PACES FERRY WEALTH ADVISORS, LLC $30,080 23,500 0.00% Shares
55 North Private Wealth, LLC $27,844 21,753 0.00% Shares
Jasper Ridge Partners, L.P. $26,874 20,995 0.00% Shares
J. Safra Sarasin Holding AG $26,796 20,928 0.00% Shares
LCM Capital Management Inc $26,112 20,400 0.00% Shares
HSBC HOLDINGS PLC $24,787 19,365 0.00% Shares
Frisch Financial Group, Inc. $24,352 19,025 0.00% Shares
Universal- Beteiligungs- und Servicegesellschaft mbH $24,227 18,927 0.00% Shares
ENVESTNET ASSET MANAGEMENT INC $23,933 18,698 0.00% Shares
ROYAL BANK OF CANADA $23,000 17,541 0.00% Shares
CIBC Asset Management Inc $22,028 17,209 0.00% Shares
Prime Capital Investment Advisors, LLC $21,402 16,720 0.00% Shares
Chicago Partners Investment Group LLC $20,826 14,363 0.00% Shares
Allied Investment Advisors, LLC $20,428 15,959 0.00% Shares
NEUBERGER BERMAN GROUP LLC $19,936 15,575 0.00% Shares
Csenge Advisory Group $19,807 15,474 0.00% Shares
COUNTRY TRUST BANK $19,200 15,000 0.00% Shares
TWO SIGMA SECURITIES, LLC $18,492 14,447 0.00% Shares
FARALLON CAPITAL MANAGEMENT, L.L.C. $18,432 14,400 0.00% Shares
HARBOUR INVESTMENTS, INC. $18,236 14,247 0.00% Shares
CAPTRUST FINANCIAL ADVISORS $17,375 13,574 0.00% Shares
SIGNATUREFD, LLC $17,316 13,528 0.00% Shares
GF FUND MANAGEMENT CO. LTD. $17,288 13,506 0.00% Shares
PlanVest Financial, Inc $16,477 12,873 0.00% Shares
PFG Investments, LLC $16,059 12,546 0.00% Shares
Seelaus Asset Management LLC $16,000 12,500 0.00% Shares
Piscataqua Savings Bank $15,875 12,500 0.00% Shares
RMG Wealth Management LLC $15,700 10,000 0.00% Shares
J.W. COLE ADVISORS, INC. $13,184 10,300 0.00% Shares
Platform Technology Partners $12,928 10,100 0.00% Shares
Fort Sheridan Advisors LLC $12,800 10,000 0.00% Shares
Columbia Bank $12,800 10,000 0.00% Shares
Onyx Bridge Wealth Group LLC $12,800 10,000 0.00% Shares
ZACKS INVESTMENT MANAGEMENT $12,800 10,000 0.00% Shares
Lindbrook Capital, LLC $10,783 6,782 0.00% Shares
BNP PARIBAS ASSET MANAGEMENT Holding S.A. $10,721 8,376 0.00% Shares
HighMark Wealth Management LLC $10,272 8,025 0.00% Shares
US BANCORP \DE\ $10,240 8,000 0.00% Shares
Crewe Advisors LLC $10,176 7,950 0.00% Shares
STRS OHIO $9,600 7,500 0.00% Shares
NISA INVESTMENT ADVISORS, LLC $8,033 6,276 0.00% Shares
Farther Finance Advisors, LLC $5,286 4,130 0.00% Shares
CWM, LLC $5,255 3,527 0.00% Shares
Steward Partners Investment Advisory, LLC $5,120 4,000 0.00% Shares
Summit Financial Strategies, Inc. $5,120 4,000 0.00% Call option
FIFTH THIRD BANCORP $4,881 3,813 0.00% Shares
C M BIDWELL & ASSOCIATES LTD $4,713 3,682 0.00% Shares
EVOLUTION WEALTH MANAGEMENT INC. $4,480 3,500 0.00% Shares
PNC Financial Services Group, Inc. $4,216 3,294 0.00% Shares
GAMMA Investing LLC $3,361 2,626 0.00% Shares
BEACON INVESTMENT ADVISORY SERVICES, INC. $3,072 2,400 0.00% Shares
COMERICA BANK $2,699 2,045 0.00% Shares
Sterling Capital Management LLC $2,515 1,965 0.00% Shares
Global Retirement Partners, LLC $2,092 1,634 0.00% Shares
Geneos Wealth Management Inc. $1,920 1,500 0.00% Shares
Mitsubishi UFJ Asset Management Co., Ltd. $1,844 1,441 0.00% Shares
ROTHSCHILD INVESTMENT LLC $1,288 1,006 0.00% Shares
TFC Financial Management, Inc. $1,280 1,000 0.00% Shares
Key Financial Inc $1,280 1,000 0.00% Shares
Quarry LP $1,279 999 0.00% Shares
Bare Financial Services, Inc $1,043 815 0.00% Shares
Allworth Financial LP $857 669 0.00% Shares
GSA CAPITAL PARTNERS LLP $753 588,165 0.00% Shares
Optiver Holding B.V. $698 545 0.00% Shares
Cassaday & Co Wealth Management LLC $640 500 0.00% Shares
Parkside Financial Bank & Trust $600 470 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $589 459,584 0.00% Shares
EverSource Wealth Advisors, LLC $516 403 0.00% Shares
SG Americas Securities, LLC $488 381,115 0.00% Shares
HM PAYSON & CO $436 340 0.00% Shares
ASSETMARK, INC $429 335 0.00% Shares
Larson Financial Group LLC $384 300 0.00% Shares
Costello Asset Management, INC $147 115 0.00% Shares
CANADA LIFE ASSURANCE Co $141 110,811 0.00% Shares
Caitong International Asset Management Co., Ltd $106 83 0.00% Shares
Virtu Financial LLC $83 64,470 0.00% Shares
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO $70 54,913 0.00% Shares
Clearstead Advisors, LLC $67 52 0.00% Shares
WEDBUSH SECURITIES INC $45 34,898 0.00% Shares
FIDUCIARY ADVISORS, INC. $26 20 0.00% Shares
FINANCIAL ADVISORY CORP /UT/ /ADV $23 17,270 0.00% Shares
AMALGAMATED BANK $19 15,180 0.00% Shares
Cambridge Investment Research Advisors, Inc. $19 14,615 0.00% Shares
Pacer Advisors, Inc. $13 10,128 0.00% Shares
Avion Wealth $2 2,000 0.00% Shares
Covestor Ltd $0 258 0.00% Shares
Centerpoint Advisors, LLC $0 300 0.00% Shares
HANTZ FINANCIAL SERVICES, INC. $0 100 0.00% Shares