OmniAb, Inc. - OABIW

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 2026
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Whitefort Capital Management, LP History No change 10,248,658 25,211 6.21% 6.21% 1 0 0.0% Q2 2026 Aug 14, 2026
BlackRock, Inc. History No change 8,897,490 21,887 0.0% 0.0% 2 0 0.0% Q2 2026 Aug 07, 2026
NOMURA HOLDINGS INC History No change 5,028,160 12,369 0.01% 0.01% 3 0 0.0% Q2 2026 Aug 14, 2026
CADIAN CAPITAL MANAGEMENT, LP History No change 4,211,821 10,361 0.78% 0.78% 4 0 0.0% Q2 2026 Aug 14, 2026
PRIVATE MANAGEMENT GROUP INC History Reduced 2,013,460 9,986 0.27% 0.15% 5 -331,310 -14.13% Q3 2026 Nov 04, 2026
VANGUARD CAPITAL MANAGEMENT LLC History No change 3,852,356 9,476 0.0% 0.0% 6 0 0.0% Q2 2026 Aug 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 2,883,978 7,096 0.0% 0.0% 7 0 0.0% Q2 2026 Aug 12, 2026
RICE HALL JAMES & ASSOCIATES, LLC History No change 2,610,434 6,421 0.31% 0.31% 8 0 0.0% Q2 2026 Aug 07, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 1,240,585 6,149 0.0% 0.0% 9 -21,514 -1.7% Q3 2026 Nov 04, 2026
TOWERVIEW LLC History Reduced 1,161,144 5,759 4.19% 1.9% 10 -18,856 -1.6% Q3 2026 Nov 05, 2026
STATE STREET CORP History No change 2,133,549 5,248 0.0% 0.0% 11 0 0.0% Q2 2026 Sep 22, 2026
ISTHMUS PARTNERS, LLC History Reduced 802,135 3,978 0.38% 0.19% 12 -1,293 -0.16% Q3 2026 Oct 21, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History No change 980,416 2,411 0.0% 0.0% 13 0 0.0% Q2 2026 Aug 13, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 966,877 2,378 0.0% 0.0% 14 0 0.0% Q2 2026 Aug 14, 2026
NORTHERN TRUST CORP History No change 948,294 2,332 0.0% 0.0% 15 0 0.0% Q2 2026 Aug 13, 2026
ADAR1 Capital Management, LLC History No change 947,412 2,330 0.11% 0.11% 16 0 0.0% Q2 2026 Aug 14, 2026
MACKENZIE FINANCIAL CORP History Reduced 439,053 2,177 0.0% 0.0% 17 -50,081 -10.24% Q3 2026 Nov 02, 2026
VANGUARD FIDUCIARY TRUST CO History No change 758,460 1,865 0.0% 0.0% 18 0 0.0% Q2 2026 Aug 13, 2026
TWO SIGMA INVESTMENTS, LP History No change 657,432 1,617 0.0% 0.0% 19 0 0.0% Q2 2026 Aug 14, 2026
Bank of New York Mellon Corp History Added to 320,457 1,589 0.0% 0.0% 20 +2,051 0.64% Q3 2026 Nov 05, 2026
Nuveen, LLC History No change 642,811 1,581 0.0% 0.0% 21 0 0.0% Q2 2026 Aug 11, 2026
RENAISSANCE TECHNOLOGIES LLC History No change 600,350 1,476 0.0% 0.0% 22 0 0.0% Q2 2026 Aug 13, 2026
D. E. Shaw & Co., Inc. History No change 559,404 1,376 0.0% 0.0% 23 0 0.0% Q2 2026 Aug 14, 2026
GOLDMAN SACHS GROUP INC History No change 384,573 946 0.0% 0.0% 24 0 0.0% Q2 2026 Aug 14, 2026
MORGAN STANLEY History No change 371,506 913 0.0% 0.0% 25 0 0.0% Q2 2026 Aug 13, 2026
MILLENNIUM MANAGEMENT LLC History No change 474,159 864 0.0% 0.0% 26 0 0.0% Q2 2026 Aug 14, 2026
TLS Advisors LLC History No change 220,685 542 1.59% 1.59% 27 0 0.0% Q2 2026 Aug 14, 2026
FMR LLC History No change 199,818 491 0.0% 0.0% 28 0 0.0% Q2 2026 Aug 13, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 198,900 489 0.01% 0.01% 29 0 0.0% Q2 2026 Aug 14, 2026
Arbiter Partners Capital Management LLC History No change 192,585 473 0.25% 0.25% 30 0 0.0% Q2 2026 Aug 10, 2026
RHUMBLINE ADVISERS History No change 171,957 423 0.0% 0.0% 31 0 0.0% Q2 2026 Aug 11, 2026
Palumbo Wealth Management LLC History No change 161,975 398 0.08% 0.08% 32 0 0.0% Q2 2026 Aug 12, 2026
Invesco Ltd. History No change 161,376 396 0.0% 0.0% 33 0 0.0% Q2 2026 Aug 14, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History No change 159,621 392 0.0% 0.0% 34 0 0.0% Q2 2026 Aug 13, 2026
AQR CAPITAL MANAGEMENT LLC History No change 157,716 387 0.0% 0.0% 35 0 0.0% Q2 2026 Aug 14, 2026
BANK OF AMERICA CORP /DE/ History No change 149,493 367 0.0% 0.0% 36 0 0.0% Q2 2026 Aug 14, 2026
Walleye Capital LLC History No change 144,427 355 0.0% 0.0% 37 0 0.0% Q2 2026 Aug 03, 2026
Cornerstone Capital, Inc. History No change 142,286 350 0.03% 0.03% 38 0 0.0% Q2 2026 Aug 03, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 132,385 323 0.0% 0.0% 39 0 0.0% Q2 2026 Aug 13, 2026
JPMORGAN CHASE & CO History No change 107,049 275 0.0% 0.0% 40 0 0.0% Q2 2026 Aug 12, 2026
DEUTSCHE BANK AG\ History No change 100,842 248 0.0% 0.0% 41 0 0.0% Q2 2026 Aug 07, 2026
WELLS FARGO & COMPANY/MN History No change 100,229 246 0.0% 0.0% 42 0 0.0% Q2 2026 Aug 14, 2026
ALLIANCEBERNSTEIN L.P. History No change 155,992 244 0.0% 0.0% 43 0 0.0% Q2 2026 Aug 14, 2026
CITADEL ADVISORS LLC History No change 91,890 226 0.0% 0.0% 44 0 0.0% Q2 2026 Sep 02, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 80,106 198 0.0% 0.0% 45 0 0.0% Q2 2026 Aug 14, 2026
AMERICAN CENTURY COMPANIES INC History No change 75,083 184 0.0% 0.0% 46 0 0.0% Q2 2026 Aug 12, 2026
XTX Topco Ltd History No change 73,907 181 0.0% 0.0% 47 0 0.0% Q2 2026 Aug 14, 2026
Connor, Clark & Lunn Investment Management Ltd. History No change 72,357 177 0.0% 0.0% 48 0 0.0% Q2 2026 Aug 12, 2026
MetLife Investment Management, LLC History No change 65,744 161 0.0% 0.0% 49 0 0.0% Q2 2026 Aug 13, 2026
Russell Investments Group, Ltd. History No change 63,783 156 0.0% 0.0% 50 0 0.0% Q2 2026 Aug 06, 2026
SEI INVESTMENTS CO History No change 53,390 131 0.0% 0.0% 51 0 0.0% Q2 2026 Aug 14, 2026
WOODSTOCK CORP History Reduced 26,161 129 0.01% 0.01% 52 -3,215 -10.94% Q3 2026 Oct 13, 2026
Shay Capital LLC History No change 51,500 126 0.01% 0.01% 53 0 0.0% Q2 2026 Aug 14, 2026
Vanguard Global Advisers, LLC History No change 51,396 126 0.0% 0.0% 54 0 0.0% Q2 2026 Aug 13, 2026
China Universal Asset Management Co., Ltd. History Added to 26,528 125 0.01% 0.0% 55 +3,456 14.98% Q3 2026 Oct 27, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History No change 50,644 124 0.0% 0.0% 56 0 0.0% Q2 2026 Aug 14, 2026
BLAIR WILLIAM & CO/IL History No change 43,394 106 0.0% 0.0% 57 0 0.0% Q2 2026 Aug 11, 2026
Police & Firemen's Retirement System of New Jersey History No change 42,217 103 0.0% 0.0% 58 0 0.0% Q2 2026 Jul 23, 2026
PRUDENTIAL FINANCIAL INC History No change 38,969 95 0.0% 0.0% 59 0 0.0% Q2 2026 Aug 12, 2026
ProShare Advisors LLC History Reduced 18,851 93 0.0% 0.0% 60 -304 -1.59% Q3 2026 Oct 28, 2026
SIMPLEX TRADING, LLC History New 18,410 91 0.0% — 61 +18,410 New Q3 2026 Nov 04, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History New 18,100 90 0.01% — 62 +18,100 New Q3 2026 Nov 02, 2026
DekaBank Deutsche Girozentrale History New 18,770 89 0.0% — 64 +18,770 New Q3 2026 Oct 27, 2026
Thrive Wealth Management, LLC History No change 18,046 89 0.01% 0.01% 63 0 0.0% Q3 2026 Oct 13, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History No change 35,691 87 0.0% 0.0% 65 0 0.0% Q2 2026 Aug 14, 2026
Squarepoint Ops LLC History No change 35,357 86 0.0% 0.0% 66 0 0.0% Q2 2026 Aug 14, 2026
STRS OHIO History New 17,300 85 0.0% — 69 +17,300 New Q3 2026 Oct 30, 2026
BFSG, LLC History Reduced 17,190 85 0.01% 0.0% 68 -3,625 -17.42% Q3 2026 Oct 30, 2026
LPL Financial LLC History No change 34,821 85 0.0% 0.0% 67 0 0.0% Q2 2026 Aug 07, 2026
INTECH INVESTMENT MANAGEMENT LLC History No change 27,824 68 0.0% 0.0% 70 0 0.0% Q2 2026 Aug 10, 2026
BARCLAYS PLC History No change 26,469 65 0.0% 0.0% 71 0 0.0% Q2 2026 Aug 14, 2026
IMC-Chicago, LLC History New 12,417 61 0.0% — 72 +12,417 New Q3 2026 Nov 05, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History No change 24,785 60 0.0% 0.0% 73 0 0.0% Q2 2026 Sep 09, 2026
VOYA INVESTMENT MANAGEMENT LLC History No change 23,613 58 0.0% 0.0% 74 0 0.0% Q2 2026 Aug 12, 2026
CHOREO, LLC History Reduced 10,696 53 0.0% 0.0% 76 -1,536 -12.56% Q3 2026 Oct 28, 2026
HighTower Advisors, LLC History No change 21,609 53 0.0% 0.0% 75 0 0.0% Q2 2026 Aug 05, 2026
XPONANCE LLC History Reduced 10,290 51 0.0% 0.0% 77 -182 -1.74% Q3 2026 Nov 03, 2026
Qube Research & Technologies Ltd History No change 20,186 49 0.0% 0.0% 78 0 0.0% Q2 2026 Aug 14, 2026
CITIGROUP INC History Reduced 9,717 48 0.0% 0.0% 79 -44,950 -82.23% Q3 2026 Nov 04, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 19,822 48 0.0% 0.0% 80 0 0.0% Q2 2026 Aug 13, 2026
Quadrature Capital Ltd History No change 19,492 47 0.0% 0.0% 81 0 0.0% Q2 2026 Aug 06, 2026
UBS Group AG History No change 17,849 43 0.0% 0.0% 82 0 0.0% Q2 2026 Aug 13, 2026
TWO SIGMA SECURITIES, LLC History No change 15,726 38 0.0% 0.0% 83 0 0.0% Q2 2026 Aug 14, 2026
OSAIC HOLDINGS, INC. History No change 15,459 38 0.0% 0.0% 84 0 0.0% Q2 2026 Aug 14, 2026
CANADA PENSION PLAN INVESTMENT BOARD History No change 15,100 37 0.0% 0.0% 85 0 0.0% Q2 2026 Aug 14, 2026
Mirae Asset Global Investments Co., Ltd. History Added to 7,430 36 0.0% 0.0% 86 +946 14.59% Q3 2026 Oct 28, 2026
VICTORY CAPITAL MANAGEMENT INC History No change 13,649 33 0.0% 0.0% 87 0 0.0% Q2 2026 Aug 07, 2026
JANE STREET GROUP, LLC History No change 13,200 32 0.0% 0.0% 88 0 0.0% Q2 2026 Aug 14, 2026
MERCER GLOBAL ADVISORS INC /ADV History No change 12,357 30 0.0% 0.0% 89 0 0.0% Q2 2026 Aug 19, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 11,806 29 0.0% 0.0% 90 0 0.0% Q2 2026 Jul 29, 2026
Legal & General Group Plc History No change 11,284 27 0.0% 0.0% 91 0 0.0% Q2 2026 Aug 14, 2026
Legato Capital Management LLC History No change 10,913 26 0.0% 0.0% 92 0 0.0% Q2 2026 Aug 06, 2026
Virtu Financial LLC History No change 10,565 26 0.0% 0.0% 93 0 0.0% Q2 2026 Aug 13, 2026
Vanguard Personalized Indexing Management, LLC History No change 10,793 26 0.0% 0.0% 94 0 0.0% Q2 2026 Aug 11, 2026
Ameritas Investment Partners, Inc. History No change 9,652 23 0.0% 0.0% 95 0 0.0% Q2 2026 Aug 13, 2026
Tower Research Capital LLC (TRC) History No change 8,044 19 0.0% 0.0% 96 0 0.0% Q2 2026 Aug 11, 2026
Steigerwald, Gordon & Koch Inc. History No change 7,673 18 0.0% 0.0% 97 0 0.0% Q2 2026 Jul 22, 2026
GF FUND MANAGEMENT CO. LTD. History Added to 3,237 16 0.0% 0.0% 98 +264 8.88% Q3 2026 Oct 26, 2026
ROYAL BANK OF CANADA History No change 5,219 13 0.0% 0.0% 99 0 0.0% Q2 2026 Aug 14, 2026
Larson Financial Group LLC History Added to 2,371 11 0.0% 0.0% 100 +927 64.2% Q3 2026 Nov 05, 2026
Sterling Capital Management LLC History Reduced 2,124 10 0.0% 0.0% 101 -93 -4.19% Q3 2026 Oct 22, 2026
SBI Securities Co., Ltd. History No change 2,059 10 0.0% 0.0% 102 0 0.0% Q3 2026 Oct 21, 2026
Redwood Park Advisors LLC History No change 2,184 10 0.01% 0.0% 103 0 0.0% Q3 2026 Nov 02, 2026
Parallel Advisors, LLC History Reduced 1,850 9 0.0% 0.0% 104 -4 -0.22% Q3 2026 Nov 03, 2026
Allworth Financial LP History No change 2,771 6 0.0% 0.0% 105 0 0.0% Q2 2026 Aug 11, 2026
Jackson, Grant Investment Advisers, Inc. History No change 2,450 6 0.0% 0.0% 106 0 0.0% Q2 2026 Jul 31, 2026
WOLVERINE ASSET MANAGEMENT LLC History New 677 3 0.0% — 110 +677 New Q3 2026 Nov 02, 2026
GAMMA Investing LLC History Added to 616 3 0.0% — 109 +14 2.33% Q3 2026 Oct 08, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History No change 1,515 3 0.0% 0.0% 107 0 0.0% Q2 2026 Aug 24, 2026
Arax Advisory Partners History No change 1,601 3 0.0% 0.0% 108 0 0.0% Q2 2026 Aug 10, 2026
Jacobi Capital Management LLC History New 490 2 0.0% — 117 +490 New Q3 2026 Nov 05, 2026
EverSource Wealth Advisors, LLC History Reduced 484 2 0.0% 0.0% 114 -37 -7.1% Q3 2026 Nov 04, 2026
NISA INVESTMENT ADVISORS, LLC History Added to 531 2 0.0% 0.0% 111 +11 2.12% Q3 2026 Oct 20, 2026
North Star Investment Management Corp. History No change 550 2 0.0% 0.0% 112 0 0.0% Q3 2026 Oct 27, 2026
Cheviot Value Management, LLC History No change 980 2 0.0% 0.0% 113 0 0.0% Q2 2026 Aug 06, 2026
Dynamic Wealth Strategies, LLC History No change 411 2 0.0% 0.0% 115 0 0.0% Q3 2026 Oct 16, 2026
Optiver Holding B.V. History No change 848 2 0.0% 0.0% 116 0 0.0% Q2 2026 Aug 12, 2026
Parkside Financial Bank & Trust History No change 347 1 0.0% — 118 0 0.0% Q3 2026 Oct 27, 2026
SIGNATUREFD, LLC History No change 361 1 0.0% — 119 0 0.0% Q3 2026 Oct 23, 2026
Comprehensive Financial Planning, Inc./PA History No change 323 1 0.0% — 120 0 0.0% Q3 2026 Oct 27, 2026
THRIVENT FINANCIAL FOR LUTHERANS History Closed out 0 0 — 0.0% — -55,342 -100.0% Q3 2026 Nov 05, 2026
SUMMIT SECURITIES GROUP LLC History Closed out 0 0 — 0.0% — -7,882 -100.0% Q3 2026 Nov 05, 2026
IFP Advisors, Inc History Closed out 0 0 — — — -87 -100.0% Q3 2026 Oct 16, 2026
Ascentis Wealth Management, LLC History New 47 0 — — — +47 New Q3 2026 Nov 03, 2026
Wealth Enhancement Trust Services, Inc. History Closed out 0 0 — — — -35 -100.0% Q3 2026 Oct 07, 2026
BIRCH FINANCIAL GROUP, LLC History New 24 0 — — — +24 New Q3 2026 Oct 27, 2026
Farther Finance Advisors, LLC History Reduced 180 0 — — — -11 -5.76% Q3 2026 Oct 08, 2026
Caitong International Asset Management Co., Ltd History Added to 15 0 — — — +10 200.0% Q3 2026 Oct 29, 2026
SJS Investment Consulting Inc. History Reduced 23 0 — — — -5 -17.86% Q3 2026 Oct 26, 2026
FIFTH THIRD BANCORP History No change 127 0 — — — 0 0.0% Q3 2026 Nov 05, 2026
CENTRAL TRUST Co History No change 171 0 — — — 0 0.0% Q3 2026 Nov 05, 2026
ROTHSCHILD INVESTMENT LLC History No change 154 0 — — — 0 0.0% Q2 2026 Aug 06, 2026
Clearstead Advisors, LLC History No change 29 0 — — — 0 0.0% Q2 2026 Aug 06, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History No change 127 0 — — — 0 0.0% Q2 2026 Aug 13, 2026
C M BIDWELL & ASSOCIATES LTD History No change 233 0 — — — 0 0.0% Q2 2026 Aug 11, 2026
MATHER GROUP, LLC. History No change 21 0 — — — 0 0.0% Q3 2026 Oct 14, 2026
TD PRIVATE CLIENT WEALTH LLC History No change 170 0 — — — 0 0.0% Q3 2026 Oct 28, 2026
IFG Advisory, LLC History No change 190 0 — — — 0 0.0% Q2 2026 Aug 13, 2026
State of Wyoming History No change 274 0 — — — 0 0.0% Q3 2026 Oct 28, 2026
Quarry LP History No change 317 0 — — — 0 0.0% Q2 2026 Aug 14, 2026
True Wealth Design, LLC History No change 54 0 — — — 0 0.0% Q3 2026 Oct 13, 2026
JPL Wealth Management, LLC History No change 7 0 — — — 0 0.0% Q2 2026 Aug 13, 2026