Vault-13

ANAPTYSBIO INC ANAB

COM · Common Stock · CUSIP 032724106

117 institutional holders +3 vs Q1 2023
30,230,77230.2m shares reported held*
113.9% of all shares outstanding*
$614.9mreported value*
14 new 38 added 36 reduced 11 sold out net sold ≈ $22.4m (-1.1m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 26.5m as of 2023-08-02, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $20.34. Options: 6 managers hold calls ($1.2m notional), 4 hold puts ($1.2m).

Trends to Q2 2023

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 114Q4 22: 119Q1 23: 114Q2 23: 117117Q3 22Q4 22Q1 23Q2 23
Numbers
QuarterHolders
Q3 2022114
Q4 2022119
Q1 2023114
Q2 2023117

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q4 22: 46 bought or addedQ4 22: 47 cut or sold outQ4 22Q1 23: 50 bought or addedQ1 23: 56 cut or sold outQ1 23Q2 23: 52 bought or addedQ2 23: 47 cut or sold outQ2 23
Numbers
QuarterBought or addedCut or sold out
Q4 20224647
Q1 20235056
Q2 20235247

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6m$8mQ3 22 calls: $6.2mQ3 22 puts: $17.0kQ3 22P/C 0.00Q4 22 calls: $1.2mQ4 22 puts: $1.1mQ4 22P/C 0.94Q1 23 calls: $1.5mQ1 23 puts: $1.3mQ1 23P/C 0.91Q2 23 calls: $1.2mQ2 23 puts: $1.2mQ2 23P/C 0.98
Numbers
QuarterCallsPutsP/C
Q3 2022$6.2m$17.0k0.00
Q4 2022$1.2m$1.1m0.94
Q1 2023$1.5m$1.3m0.91
Q2 2023$1.2m$1.2m0.98

Biggest buyers

Woodline Partners LP Added +574,987+575.0k
First Light Asset Management, LLC New +322,208+322.2k
BRAIDWELL LP Added +181,350+181.3k
MILLENNIUM MANAGEMENT LLC Added +137,076+137.1k
GREAT POINT PARTNERS LLC Added +90,000+90.0k
TWO SIGMA INVESTMENTS, LP Added +75,193+75.2k
CITADEL ADVISORS LLC Added +73,910+73.9k
STATE STREET CORP Added +62,867+62.9k
TWO SIGMA ADVISERS, LP Added +57,100+57.1k
Hudson Bay Capital Management LP New +50,000+50.0k

Biggest sellers

FEDERATED HERMES, INC. Reduced -1,303,714-1.3m
FMR LLC Reduced -290,668-290.7k
Rock Springs Capital Management LP Reduced -234,963-235.0k
Point72 Asset Management, L.P. Reduced -221,238-221.2k
JPMORGAN CHASE & CO Reduced -186,234-186.2k
NORTHERN TRUST CORP Reduced -129,993-130.0k
TANG CAPITAL MANAGEMENT LLC Reduced -81,952-82.0k
BlackRock Inc. Reduced -70,789-70.8k
Laurion Capital Management LP Reduced -54,206-54.2k
DIMENSIONAL FUND ADVISORS LP Reduced -53,748-53.7k

Biggest calls

CITIGROUP INC New $610.2k30.0k shares
Caption Management, LLC Reduced $549.2k27.0k shares
CITADEL ADVISORS LLC Added $42.7k2.1k shares
Cutler Group LLC / CA New $2.0k3.0k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares
SIMPLEX TRADING, LLC New $0100 shares

Biggest puts

CITIGROUP INC New $610.2k30.0k shares
Caption Management, LLC Reduced $549.2k27.0k shares
Cutler Group LLC / CA New $16.0k3.0k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution -2.2 pts · filed 2025-04-17 6.2% -2.2 pts 1.9m≈ $128.3m 2025-04-17
Sirenia Capital Management LP 13G · institution -1.7 pts · filed 2026-08-14 5.0% -1.7 pts 1.5m≈ $100.7m 2026-08-14

Fell to 5% or below in the last year: Point72 Asset Management, L.P. (0.2%, 2026-05-15), VANGUARD GROUP INC (0.0%, 2026-03-26), MORGAN STANLEY (3.6%, 2026-02-11), MILLENNIUM MANAGEMENT LLC (2.9%, 2026-01-16)

Insider purchases and sales in Q2 2023

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q3 21: 0 buyingQ3 21: 0 sellingQ4 21: 0 buyingQ4 21: 2 sellingQ4 21Q1 22: 0 buyingQ1 22: 0 sellingQ2 22: 1 buyingQ2 22: 2 sellingQ2 22Q3 22: 0 buyingQ3 22: 1 sellingQ4 22: 0 buyingQ4 22: 0 sellingQ4 22Q1 23: 0 buyingQ1 23: 0 sellingQ2 23: 0 buyingQ2 23: 0 sellingQ2 23
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20210—0——
Q4 20210—2$3.9m—
Q1 20220—0——
Q2 20221$14.5m2$14.5m—
Q3 20220—1$13.1k—
Q4 20220—0——
Q1 20230—0——
Q2 20230—0——

None reported in Q2 2023.

Holders, Q2 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 EcoR1 Capital, LLC 4.03% of their portfolio San Francisco, CA 7,521,0247.5m $153.0m $153.0m 4.03% Unchanged
2 TANG CAPITAL MANAGEMENT LLC 5.84% of their portfolio SAN DIEGO, CA 1,950,6092.0m $39.7m $39.7m 5.84% Reduced -82.0k -81,952
3 BlackRock Inc. 0.00% of their portfolio New York, NY 1,824,7051.8m $37.1m $37.1m 0.00% Reduced -70.8k -70,789
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,775,6971.8m $36.1m $36.1m 0.00% Reduced -43.4k -43,429
5 Point72 Asset Management, L.P. 0.10% of their portfolio STAMFORD, CT 1,459,9091.5m $29.7m $29.7m 0.10% Reduced -221.2k -221,238
6 Boxer Capital, LLC 1.23% of their portfolio San Diego, CA 1,300,0001.3m $26.4m $26.4m 1.23% Unchanged
7 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,212,8141.2m $24.7m $24.7m 0.00% Added +62.9k +62,867
8 BRAIDWELL LP 0.77% of their portfolio STAMFORD, CT 1,154,4231.2m $23.5m $23.5m 0.77% Added +181.3k +181,350
9 Woodline Partners LP 0.25% of their portfolio San Francisco, CA 1,034,5491.0m $21.0m $21.0m 0.25% Added +575.0k +574,987
10 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 904,912904.9k $18.4m $18.4m 0.01% Reduced -53.7k -53,748
11 Frazier Life Sciences Management, L.P. 1.09% of their portfolio PALO ALTO, CA 899,700899.7k $18.3m $18.3m 1.09% Unchanged
12 GREAT POINT PARTNERS LLC 3.64% of their portfolio Greenwich, CT 894,333894.3k $18.2m $18.2m 3.64% Added +90.0k +90,000
13 BAKER BROS. ADVISORS LP 0.09% of their portfolio NEW YORK, NY 775,924775.9k $15.8m $15.8m 0.09% Unchanged
14 DEERFIELD MANAGEMENT COMPANY, L.P. 0.27% of their portfolio New York, NY 613,000613.0k $12.5m $12.5m 0.27% Unchanged
15 Assenagon Asset Management S.A. 0.04% of their portfolio SENNINGERBERG, N4 495,054495.1k $10.1m $10.1m 0.04% Unchanged
16 Palo Alto Investors LP 0.71% of their portfolio PALO ALTO, CA 431,224431.2k $8.8m $8.8m 0.71% Unchanged
17 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 397,189397.2k $8.1m $8.1m 0.01% Added +137.1k +137,076
18 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 396,020396.0k $8.1m $8.1m 0.00% Reduced -2.4k -2,386
19 5AM Venture Management, LLC 1.81% of their portfolio SAN FRANCISCO, CA 357,733357.7k $7.3m $7.3m 1.81% Unchanged
20 Rock Springs Capital Management LP 0.17% of their portfolio Baltimore, MD 341,637341.6k $6.9m $6.9m 0.17% Reduced -235.0k -234,963
21 Blackstone Inc. 0.03% of their portfolio NEW YORK, NY 328,720328.7k $6.7m $6.7m 0.03% Unchanged
22 First Light Asset Management, LLC 0.51% of their portfolio Edina, MN 322,208322.2k $6.6m $6.6m 0.51% New
23 FMR LLC 0.00% of their portfolio BOSTON, MA 293,566293.6k $6.0m $6.0m 0.00% Reduced -290.7k -290,668
24 Laurion Capital Management LP 0.18% of their portfolio NEW YORK, NY 209,002209.0k $4.3m $4.3m 0.18% Reduced -54.2k -54,206
25 D. E. Shaw & Co., Inc. 0.01% of their portfolio New York, NY 205,796205.8k $4.2m $4.2m 0.01% Reduced -1.3k -1,256
26 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 202,567202.6k $4.1m $4.1m 0.00% Reduced -130.0k -129,993
27 JACOBS LEVY EQUITY MANAGEMENT, INC 0.02% of their portfolio FLORHAM PARK, NJ 198,721198.7k $4.0m $4.0m 0.02% Added +39.2k +39,214
28 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 154,129154.1k $3.1m $3.1m 0.00% Added +73.9k +73,910
29 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 146,138146.1k $3.0m $3.0m 0.01% Added +75.2k +75,193
30 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 139,612139.6k $2.8m $2.8m 0.00% Reduced -9.8k -9,774
31 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 132,036132.0k $2.7m $2.7m 0.00% Reduced -53.6k -53,564
32 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 126,000126.0k $2.6m $2.6m 0.01% Added +57.1k +57,100
33 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.05% of their portfolio CHICAGO, IL 124,463124.5k $2.5m $2.5m 0.05% Added +9.0k +8,984
34 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 120,315120.3k $2.4m $2.4m 0.00% Added +5.6k +5,554
35 MACQUARIE GROUP LTD 0.00% of their portfolio Sydney, NSW 2000, C3 93,73293.7k $1.9m $1.9m 0.00% Unchanged
36 Rafferty Asset Management, LLC 0.01% of their portfolio New York, NY 92,65092.7k $1.9m $1.9m 0.01% Added +15.3k +15,316
37 ExodusPoint Capital Management, LP 0.02% of their portfolio NEW YORK, NY 88,58588.6k $1.8m $1.8m 0.02% Reduced -45.5k -45,457
38 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 87,86687.9k $1.8m $1.8m 0.00% Added +1.0k +1,035
39 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 72,40772.4k $1.5m $1.5m 0.00% Reduced -3.8k -3,808
40 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 71,61871.6k $1.5m $1.5m 0.00% Reduced -27.0k -27,012
41 Fisher Asset Management, LLC 0.00% of their portfolio PLANO, TX 70,65470.7k $1.4m $1.4m 0.00% Unchanged
42 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 69,38169.4k $1.4m $1.4m 0.00% Reduced -6.6k -6,623
43 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 58,00058.0k $1.2m $1.2m 0.00% Reduced -13.6k -13,600
44 SG Americas Securities, LLC 0.01% of their portfolio NEW YORK, NY 56,92656.9k $1.2m $1.2m 0.01% Reduced -1.2k -1,164
45 Hudson Bay Capital Management LP 0.01% of their portfolio STAMFORD, CT 50,00050.0k $1.0m $1.0m 0.01% New
46 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 48,66248.7k $989.8k $989.8k 0.00% Added +14.3k +14,308
47 Ensign Peak Advisors, Inc 0.00% of their portfolio SALT LAKE CITY, UT 43,44243.4k $883.6k $883.6k 0.00% Unchanged
48 Swiss National Bank 0.00% of their portfolio ZURICH, V8 42,60042.6k $866.5k $866.5k 0.00% Added +5.7k +5,700
49 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 40,97841.0k $833.5k $833.5k 0.00% Reduced -18.1k -18,112
50 HighVista Strategies LLC 0.35% of their portfolio BOSTON, MA 37,65137.7k $765.8k $765.8k 0.35% Added +12.4k +12,432
51 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 36,04436.0k $733.1k $733.1k 0.00% Reduced -1.3m -1,303,714
52 FMB WEALTH MANAGEMENT 0.77% of their portfolio WESTLAKE VILLAGE, CA 35,59235.6k $723.9k $723.9k 0.77% Unchanged
53 UBS Group AG 0.00% of their portfolio ZURICH, V8 35,19735.2k $715.9k $715.9k 0.00% Added +31.7k +31,693
54 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 33,79433.8k $687.4k $687.4k 0.00% Reduced -30.9k -30,928
55 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 32,52032.5k $661.5k $661.5k 0.00% Added +3.9k +3,920
56 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 31,48531.5k $640.4k $640.4k 0.00% Added +1.4k +1,383
57 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 30,39230.4k $618.2k $618.2k 0.00% Reduced -3.1k -3,082
58 Jump Financial, LLC 0.02% of their portfolio Chicago, IL 29,26029.3k $595.1k $595.1k 0.02% New
59 MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio BOSTON, MA 28,61928.6k $582.1k $582.1k 0.01% Added +1.7k +1,702
60 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 27,50727.5k $559.5k $559.5k 0.00% Reduced -186.2k -186,234
61 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 25,94825.9k $527.8k $527.8k 0.00% Added +4.7k +4,688
62 Verition Fund Management LLC 0.01% of their portfolio GREENWICH, CT 24,38024.4k $495.9k $495.9k 0.01% New
63 OPPENHEIMER & CO INC 0.01% of their portfolio NEW YORK, NY 23,52623.5k $478.5k $478.5k 0.01% New
64 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 23,52323.5k $478.5k $478.5k 0.00% Added +1.0k +1,003
65 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 23,43023.4k $476.6k $476.6k 0.00% Added +7.0k +6,950
66 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 23,13723.1k $471.0k $471.0k 0.00% Added +5.2k +5,165
67 ALPS ADVISORS INC 0.00% of their portfolio Denver, CO 19,47019.5k $396.0k $396.0k 0.00% Added +1.1k +1,071
68 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 19,43119.4k $395.2k $395.2k 0.00% Reduced -13.1k -13,134
69 GSA CAPITAL PARTNERS LLP 0.04% of their portfolio LONDON, X0 18,72118.7k $381.0k $381.0k 0.04% New
70 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 17,10817.1k $348.0k $348.0k 0.00% Added +216 +216
71 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 16,92116.9k $368.2k $368.2k 0.00% Unchanged
72 PROFUND ADVISORS LLC 0.02% of their portfolio BETHESDA, MD 16,84316.8k $342.6k $342.6k 0.02% Added +2.4k +2,380
73 Legal & General Group Plc 0.00% of their portfolio London, X0 16,61116.6k $337.9k $337.9k 0.00% Added +7.2k +7,242
74 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 14,70114.7k $299.0k $299.0k 0.00% Reduced -609 -609
75 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 13,53413.5k $275.3k $275.3k 0.00% New
76 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 13,30113.3k $270.5k $270.5k 0.00% Reduced -11.1k -11,096
77 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 12,37212.4k $251.4k $251.4k 0.00% Added +137 +137
78 ALGERT GLOBAL LLC 0.01% of their portfolio SAN FRANCISCO, CA 11,79011.8k $239.8k $239.8k 0.01% New
79 B. Riley Wealth Advisors, Inc. 0.01% of their portfolio MEMPHIS, TN 11,62511.6k $236.5k $236.5k 0.01% New
80 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 11,04311.0k $224.6k $224.6k 0.00% Unchanged
81 TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio STAMFORD, CT 10,30710.3k $209.6k $209.6k 0.00% Reduced -4.9k -4,877
82 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 10,06710.1k $204.8k $204.8k 0.00% New
83 AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio New York, NY 9,1529.2k $186.2k $186.2k 0.00% Reduced -628 -628
84 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 7,9217.9k $161.1k $161.1k 0.00% Reduced -4.7k -4,721
85 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 7,8197.8k $159.0k $159.0k 0.00% Reduced -6.7k -6,664
86 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.00% of their portfolio DENVER, CO 6,2246.2k $127.0k $127.0k 0.00% Unchanged
87 VIRTUS ADVISERS, LLC 0.07% of their portfolio HARTFORD, CT 5,8595.9k $119.2k $119.2k 0.07% Added +2.4k +2,411
88 Quantbot Technologies LP 0.01% of their portfolio NEW YORK, NY 4,5814.6k $93.2k $93.2k 0.01% Added +481 +481
89 Caption Management, LLC 0.01% of their portfolio OKLAHOMA CITY, OK 3,4193.4k $69.5k $69.5k 0.01% New
90 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 2,7252.7k $55.0k $55.0k 0.00% Added +680 +680
91 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 2,5152.5k $51.2k $51.2k 0.00% Reduced -147 -147
92 Amundi 0.00% of their portfolio Paris, I0 1,5381.5k $30.2k $30.2k 0.00% Unchanged
93 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,5121.5k $30.8k $30.8k 0.00% Unchanged
94 Cutler Group LLC / CA 0.01% of their portfolio SAN FRANCISCO, CA 1,5001.5k $30.0k $30.0k 0.01% New
95 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,4891.5k $31.0k $31.0k 0.00% Added +347 +347
96 Metropolitan Life Insurance Co/NY 0.00% of their portfolio New York, NY 1,2111.2k $24.6k $24.6k 0.00% Unchanged
97 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 1,1401.1k $23.2k $23.2k 0.00% Added +137 +137
98 Gladius Capital Management LP 0.01% of their portfolio PARK CITY, UT 1,0821.1k $22.0k $22.0k 0.01% New
99 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 1,0311.0k $21.0k $21.0k 0.00% Added +169 +169
100 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 754754 $15.3k $15.3k 0.00% Unchanged