Vault-13

ZENTALIS PHARMACEUTICALS INC ZNTL

COM · Common Stock · CUSIP 98943L107

99 institutional holders -19 vs Q2 2025
53,963,46754.0m shares reported held*
74.7% of all shares outstanding*
$81.5mreported value*
5 new 36 added 33 reduced 23 sold out net sold ≈ $2.5m (-1.6m 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: 72.3m as of 2025-11-01, 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 ≈ $1.51. Options: 2 managers hold calls ($65.1k notional), 4 hold puts ($112.0k).

Trends to Q3 2025

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 120Q4 22: 105Q1 23: 110Q2 23: 134Q3 23: 137Q4 23: 120Q1 24: 142Q2 24: 145Q3 24: 136Q4 24: 142Q1 25: 133Q2 25: 118Q3 25: 9999Q3 22Q2 23Q1 24Q4 24Q3 25
Numbers
QuarterHolders
Q3 2022120
Q4 2022105
Q1 2023110
Q2 2023134
Q3 2023137
Q4 2023120
Q1 2024142
Q2 2024145
Q3 2024136
Q4 2024142
Q1 2025133
Q2 2025118
Q3 202599

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q4 23: 61 bought or addedQ4 23: 68 cut or sold outQ1 24: 78 bought or addedQ1 24: 51 cut or sold outQ1 24Q2 24: 79 bought or addedQ2 24: 64 cut or sold outQ3 24: 69 bought or addedQ3 24: 73 cut or sold outQ3 24Q4 24: 82 bought or addedQ4 24: 56 cut or sold outQ1 25: 59 bought or addedQ1 25: 75 cut or sold outQ1 25Q2 25: 54 bought or addedQ2 25: 81 cut or sold outQ3 25: 41 bought or addedQ3 25: 56 cut or sold outQ3 25
Numbers
QuarterBought or addedCut or sold out
Q4 20236168
Q1 20247851
Q2 20247964
Q3 20246973
Q4 20248256
Q1 20255975
Q2 20255481
Q3 20254156

Calls vs puts

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

CallsPuts
$0$100k$200k$300kQ4 24 calls: $228.8kQ4 24 puts: $222.3kQ4 24P/C 0.97Q1 25 calls: $30.7kQ1 25 puts: $187.9kQ1 25P/C 6.12Q2 25 calls: $0Q2 25 puts: $73.2kQ2 25P/C —Q3 25 calls: $65.1kQ3 25 puts: $112.0kQ3 25P/C 1.72
Numbers
QuarterCallsPutsP/C
Q4 2024$228.8k$222.3k0.97
Q1 2025$30.7k$187.9k6.12
Q2 2025$0$73.2k—
Q3 2025$65.1k$112.0k1.72

Biggest buyers

CITADEL ADVISORS LLC Added +1,614,950+1.6m
JPMORGAN CHASE & CO Added +895,703+895.7k
BANK OF AMERICA CORP /DE/ Added +835,466+835.5k
RENAISSANCE TECHNOLOGIES LLC Added +795,802+795.8k
UBS Group AG Added +403,210+403.2k
Stonepine Capital Management, LLC Added +344,790+344.8k
MORGAN STANLEY Added +310,178+310.2k
XTX Topco Ltd Added +283,800+283.8k
TWO SIGMA INVESTMENTS, LP Added +270,294+270.3k
Creative Planning Added +229,660+229.7k

Biggest sellers

MILLENNIUM MANAGEMENT LLC Reduced -2,574,287-2.6m
Opaleye Management Inc. Reduced -1,607,750-1.6m
Almitas Capital LLC Reduced -684,622-684.6k
TYBOURNE CAPITAL MANAGEMENT (HK) LTD Reduced -516,666-516.7k
GOLDMAN SACHS GROUP INC Reduced -516,612-516.6k
BlackRock, Inc. Reduced -492,243-492.2k
Man Group plc Sold out -406,344-406.3k
AQR CAPITAL MANAGEMENT LLC Reduced -327,993-328.0k
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Reduced -257,116-257.1k
Cubist Systematic Strategies, LLC Reduced -249,709-249.7k

Biggest calls

SIMPLEX TRADING, LLC New $64.0k43.0k shares
GROUP ONE TRADING LLC New $1.1k700 shares

Biggest puts

CITADEL ADVISORS LLC Added $49.8k33.0k shares
SIMPLEX TRADING, LLC Unchanged $24.0k16.0k shares
GROUP ONE TRADING LLC Reduced $22.5k14.9k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP New $15.7k10.4k 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
WALTERS GROUP 13G · passive investor -0.9 pts · filed 2026-08-19 18.8% -0.9 pts 17.8m≈ $71.9m 2026-08-19
Walters William T 13G · passive investor +0.8 pts · filed 2025-01-31 9.9% +0.8 pts 7.0m≈ $34.2m 2025-01-31
5AM Opportunities II (GP), LLC 13G · passive investor new · filed 2025-12-30 6.4% new 4.8m≈ $23.5m 2025-12-30
Squadron Capital Management LLC 13G · passive investor new · filed 2026-03-03 5.1% new 3.7m≈ $17.8m 2026-03-03

Fell to 5% or below in the last year: BlackRock, Inc. (4.1%, 2026-10-27), BARCLAYS PLC (3.2%, 2026-08-13), Matrix Capital Management Company, LP (0.0%, 2026-01-02)

Insider purchases and sales in Q3 2025

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
404Q4 23: 2 buyingQ4 23: 3 sellingQ1 24: 0 buyingQ1 24: 4 sellingQ1 24Q2 24: 0 buyingQ2 24: 2 sellingQ3 24: 0 buyingQ3 24: 0 sellingQ3 24Q4 24: 0 buyingQ4 24: 1 sellingQ1 25: 4 buyingQ1 25: 3 sellingQ1 25Q2 25: 1 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20232$219.4k3$432.6k$432.6k
Q1 20240—4$332.7k—
Q2 20240—2$157.3k—
Q3 20240—0——
Q4 20240—1$5.1k$5.1k
Q1 20254$223.1k3$65.4k—
Q2 20251$29.4k0——
Q3 20250—0——

None reported in Q3 2025.

Holders, Q3 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Matrix Capital Management Company, LP 19.75% of their portfolio Portsmouth, NH 13,959,97314.0m $21.1m $21.1m 19.75% Unchanged
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 2,904,4002.9m $4.4m $4.4m 0.00% Added +19.8k +19,768
3 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 2,845,1522.8m $4.3m $4.3m 0.01% Added +46.1k +46,132
4 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 2,325,3552.3m $3.5m $3.5m 0.00% Added +795.8k +795,802
5 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 2,077,2902.1m $3.1m $3.1m 0.00% Added +1.6m +1,614,950
6 TANG CAPITAL MANAGEMENT LLC 0.09% of their portfolio SAN DIEGO, CA 1,550,0001.6m $2.3m $2.3m 0.09% Unchanged
7 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 1,548,7811.5m $2.3m $2.3m 0.00% Added +835.5k +835,466
8 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 1,461,2001.5m $2.2m $2.2m 0.00% Added +185.3k +185,286
9 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 1,446,1501.4m $2.2m $2.2m 0.00% Added +895.7k +895,703
10 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 1,408,8031.4m $2.1m $2.1m 0.00% Added +211.2k +211,179
11 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,407,8291.4m $2.1m $2.1m 0.00% Added +310.2k +310,178
12 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 1,363,3471.4m $2.1m $2.1m 0.00% Added +270.3k +270,294
13 Decheng Capital LLC 0.35% of their portfolio MENLO PARK, CA 1,323,3271.3m $2.0m $2.0m 0.35% Unchanged
14 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,249,5041.2m $1.9m $1.9m 0.00% Reduced -492.2k -492,243
15 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 1,185,5211.2m $1.8m $1.8m 0.00% Added +214.7k +214,659
16 GSA CAPITAL PARTNERS LLP 0.14% of their portfolio LONDON, X0 1,077,6561.1m $1.6m $1.6m 0.14% Reduced -55.7k -55,719
17 PRIMECAP MANAGEMENT CO/CA/ 0.00% of their portfolio PASADENA, CA 962,620962.6k $1.5m $1.5m 0.00% Reduced -65.0k -65,000
18 TYBOURNE CAPITAL MANAGEMENT (HK) LTD 4.69% of their portfolio HONG KONG, K3 961,486961.5k $1.5m $1.5m 4.69% Reduced -516.7k -516,666
19 Pfizer Inc 0.33% of their portfolio New York, NY 953,834953.8k $1.4m $1.4m 0.33% Unchanged
20 Almitas Capital LLC 0.16% of their portfolio SANTA MONICA, CA 914,644914.6k $1.4m $1.4m 0.16% Reduced -684.6k -684,622
21 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 902,521902.5k $1.4m $1.4m 0.00% Reduced -2.6m -2,574,287
22 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 700,576700.6k $1.1m $1.1m 0.00% Reduced -157.0k -157,006
23 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 645,623645.6k $974.9k $974.9k 0.00% Reduced -18.4k -18,438
24 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 589,222589.2k $890.2k $890.2k 0.00% Reduced -28.9k -28,945
25 Peapod Lane Capital LLC 0.76% of their portfolio Bedford Hills, NY 565,371565.4k $853.9k $853.9k 0.76% Added +6.2k +6,158
26 XTX Topco Ltd 0.04% of their portfolio LONDON, X0 548,629548.6k $828.4k $828.4k 0.04% Added +283.8k +283,800
27 UBS Group AG 0.00% of their portfolio ZURICH, V8 532,678532.7k $804.3k $804.3k 0.00% Added +403.2k +403,210
28 Woodline Partners LP 0.00% of their portfolio San Francisco, CA 530,582530.6k $801.2k $801.2k 0.00% Unchanged
29 5AM Venture Management, LLC 0.27% of their portfolio SAN FRANCISCO, CA 490,000490.0k $739.9k $739.9k 0.27% Unchanged
30 Stonepine Capital Management, LLC 0.56% of their portfolio Bend, OR 453,800453.8k $685.2k $685.2k 0.56% Added +344.8k +344,790
31 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 380,822380.8k $575.0k $575.0k 0.00% Added +66.0k +65,977
32 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 345,155345.2k $521.2k $521.2k 0.00% Reduced -516.6k -516,612
33 Opaleye Management Inc. 0.07% of their portfolio BOSTON, MA 316,550316.6k $478.0k $478.0k 0.07% Reduced -1.6m -1,607,750
34 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 271,790271.8k $410.4k $410.4k 0.00% Unchanged
35 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 260,000260.0k $392.6k $392.6k 0.00% Added +229.7k +229,660
36 FMR LLC 0.00% of their portfolio BOSTON, MA 203,305203.3k $307.0k $307.0k 0.00% Added +18.6k +18,628
37 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 201,109201.1k $303.7k $303.7k 0.00% Added +55.3k +55,340
38 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 185,032185.0k $279.4k $279.4k 0.00% Reduced -150.9k -150,934
39 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 173,621173.6k $262.2k $262.2k 0.00% Added +17.9k +17,907
40 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 167,100167.1k $252.3k $252.3k 0.00% Unchanged
41 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 166,290166.3k $257.8k $257.8k 0.00% Reduced -7.7k -7,716
42 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 161,470161.5k $243.8k $243.8k 0.00% Added +161.5k +161,469
43 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 158,935158.9k $240.0k $240.0k 0.00% Reduced -14.5k -14,549
44 Graham Capital Management, L.P. 0.01% of their portfolio ROWAYTON, CT 152,147152.1k $229.7k $229.7k 0.01% Added +116.7k +116,672
45 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 120,448120.4k $181.9k $181.9k 0.00% Reduced -9.4k -9,419
46 Quarry LP 0.04% of their portfolio NEW YORK, NY 108,750108.8k $164.2k $164.2k 0.04% Added +3.8k +3,750
47 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 106,965107.0k $161.5k $161.5k 0.00% Reduced -328.0k -327,993
48 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 97,89897.9k $147.8k $147.8k 0.00% New
49 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 94,11994.1k $142.1k $142.1k 0.00% Reduced -29.3k -29,325
50 RBF Capital, LLC 0.01% of their portfolio RENO, NV 80,00080.0k $120.8k $120.8k 0.01% Unchanged
51 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio HOUSTON, TX 77,30077.3k $116.7k $116.7k 0.00% Unchanged
52 Anfield Capital Management, LLC 0.03% of their portfolio IRVINE, CA 71,37771.4k $107.8k $107.8k 0.03% Unchanged
53 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 70,60970.6k $106.6k $106.6k 0.00% Reduced -249.7k -249,709
54 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 60,98761.0k $92.0k $92.0k 0.00% Unchanged
55 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 60,65160.7k $92.2k $92.2k 0.00% Added +8.2k +8,195
56 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 56,63956.6k $85.5k $85.5k 0.00% Added +24.5k +24,526
57 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 52,57252.6k $79.4k $79.4k 0.00% Reduced -38.6k -38,623
58 Catalyst Funds Management Pty Ltd 0.01% of their portfolio SYDNEY NSW, C3 51,40051.4k $77.6k $77.6k 0.01% Added +24.6k +24,600
59 Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% of their portfolio FRANKFURT AM MAIN, 2M 51,06151.1k $77.1k $77.1k 0.00% Unchanged
60 ADAR1 Capital Management, LLC 0.01% of their portfolio AUSTIN, TX 50,00050.0k $75.5k $75.5k 0.01% Unchanged
61 ALGERT GLOBAL LLC 0.00% of their portfolio SAN FRANCISCO, CA 48,49648.5k $73.2k $73.2k 0.00% New
62 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 41,98142.0k $63.4k $63.4k 0.00% Reduced -257.1k -257,116
63 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 41,11941.1k $62.1k $62.1k 0.00% Added +1.4k +1,383
64 BARR E S & CO 0.00% of their portfolio LEXINGTON, KY 40,00040.0k $60.4k $60.4k 0.00% Unchanged
65 TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio STAMFORD, CT 34,84934.8k $52.6k $52.6k 0.00% Unchanged
66 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 34,15334.2k $51.6k $51.6k 0.00% Reduced -52.1k -52,147
67 Carson Advisory Inc. 0.03% of their portfolio ATHENS, GA 32,07032.1k $48.4k $48.4k 0.03% Added +2.5k +2,500
68 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 31,90031.9k $48.2k $48.2k 0.00% Reduced -4.8k -4,800
69 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 31,57931.6k $48.0k $48.0k 0.00% Added +8.2k +8,236
70 BLUEFIN CAPITAL MANAGEMENT, LLC 0.02% of their portfolio NEW YORK, NY 31,26631.3k $47.2k $47.2k 0.02% New
71 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 30,42430.4k $45.0k $45.0k 0.00% Reduced -83.4k -83,439
72 Regency Capital Management Inc.\DE 0.02% of their portfolio HONOLULU, HI 29,50029.5k $44.5k $44.5k 0.02% Unchanged
73 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 29,38629.4k $44.4k $44.4k 0.00% Added +12.3k +12,272
74 49 WEALTH MANAGEMENT, LLC 0.00% of their portfolio AUSTIN, TX 28,19228.2k $42.6k $42.6k 0.00% Added +6.6k +6,646
75 Voleon Capital Management LP 0.00% of their portfolio BERKELEY, CA 27,16127.2k $41.0k $41.0k 0.00% New
76 Point72 Asia (Singapore) Pte. Ltd. 0.01% of their portfolio SINGAPORE, U0 23,87423.9k $36.0k $36.0k 0.01% Reduced -35.6k -35,579
77 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 21,60021.6k $32.6k $32.6k 0.00% Added +2.7k +2,700
78 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 21,32221.3k $32.2k $32.2k 0.00% Reduced -25.1k -25,139
79 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 20,59520.6k $31.1k $31.1k 0.00% Unchanged
80 Acorn Wealth Advisors, LLC 0.01% of their portfolio Grand Blanc, MI 20,00020.0k $30.2k $30.2k 0.01% Unchanged
81 Birchview Capital, LP 0.02% of their portfolio BURLINGTON, VT 17,00017.0k $25.7k $25.7k 0.02% Unchanged
82 EVERGREEN CAPITAL MANAGEMENT LLC 0.00% of their portfolio Bellevue, WA 16,91516.9k $25.5k $25.5k 0.00% Unchanged
83 Harvest Investment Services, LLC 0.00% of their portfolio Oakbrook Terrace, IL 14,20614.2k $21.5k $21.5k 0.00% Reduced -11.3k -11,266
84 Engineers Gate Manager LP 0.00% of their portfolio NEW YORK, NY 13,61913.6k $20.6k $20.6k 0.00% Added +598 +598
85 CWM, LLC 0.00% of their portfolio OMAHA, NE 13,11813.1k $20.0k $20.0k 0.00% Reduced -15.5k -15,528
86 HIGHLINE WEALTH PARTNERS LLC 0.00% of their portfolio SHERMAN OAKS, CA 12,00012.0k $18.1k $18.1k 0.00% Added +5.0k +5,000
87 CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio RALEIGH, NC 10,46410.5k $15.8k $15.8k 0.00% Reduced -1.4k -1,378
88 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 2,5932.6k $3.9k $3.9k 0.00% Added +243 +243
89 Clearstead Advisors, LLC 0.00% of their portfolio CLEVELAND, OH 1,1151.1k $1.7k $1.7k 0.00% Reduced -946 -946
90 Wilmington Savings Fund Society, FSB 0.00% of their portfolio WILMINGTON, DE 1,0001.0k $1.5k $1.5k 0.00% Unchanged
91 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 906906 $1.4k $1.4k 0.00% Reduced -18.5k -18,541
92 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 422422 $1.0k $1.0k 0.00% Reduced -4.5k -4,460
93 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 387387 $584 $584 0.00% Unchanged
94 HighMark Wealth Management LLC 0.00% of their portfolio ST. PAUL, MN 130130 $196 $196 0.00% Unchanged
95 Covestor Ltd 0.00% of their portfolio LONDON, X0 5252 $0 $0 0.00% Unchanged
96 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 4444 $66 $66 0.00% New
97 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 2828 $42 $42 0.00% Added +1 +1
98 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 2424 $36 $36 0.00% Reduced -11 -11
99 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 11 $2 $2 0.00% Reduced -2.7k -2,712