Vault-13

PLIANT THERAPEUTICS INC PLRX

COM · Common Stock · CUSIP 729139105

Company in South San Francisco, United States

86 institutional holders -5 vs Q1 2026
48,100,48148.1m shares reported held*
77.7% of all shares outstanding*
$54.8mreported value*
8 new 17 added 27 reduced 13 sold out net sold ≈ $2.2m (-1.9m 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: 61.9m as of 2026-08-07, 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 ≈ $1.14. Options: 3 managers hold calls ($79.9k notional), 3 hold puts ($172.1k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 110Q4 22: 126Q1 23: 143Q2 23: 147Q3 23: 138Q4 23: 136Q1 24: 137Q2 24: 146Q3 24: 153Q4 24: 163Q1 25: 142Q2 25: 115Q3 25: 100Q4 25: 98Q1 26: 91Q2 26: 8686Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 2022110
Q4 2022126
Q1 2023143
Q2 2023147
Q3 2023138
Q4 2023136
Q1 2024137
Q2 2024146
Q3 2024153
Q4 2024163
Q1 2025142
Q2 2025115
Q3 2025100
Q4 202598
Q1 202691
Q2 202686

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 24: 80 bought or addedQ3 24: 49 cut or sold outQ4 24: 73 bought or addedQ4 24: 56 cut or sold outQ4 24Q1 25: 71 bought or addedQ1 25: 88 cut or sold outQ2 25: 53 bought or addedQ2 25: 90 cut or sold outQ2 25Q3 25: 34 bought or addedQ3 25: 66 cut or sold outQ4 25: 40 bought or addedQ4 25: 48 cut or sold outQ4 25Q1 26: 35 bought or addedQ1 26: 42 cut or sold outQ2 26: 25 bought or addedQ2 26: 40 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20248049
Q4 20247356
Q1 20257188
Q2 20255390
Q3 20253466
Q4 20254048
Q1 20263542
Q2 20262540

Calls vs puts

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

CallsPuts
$0$100k$200k$300kQ3 25 calls: $107.4kQ3 25 puts: $161.0kQ3 25P/C 1.50Q4 25 calls: $230.7kQ4 25 puts: $247.3kQ4 25P/C 1.07Q1 26 calls: $89.0kQ1 26 puts: $238.4kQ1 26P/C 2.68Q2 26 calls: $79.9kQ2 26 puts: $172.1kQ2 26P/C 2.15
Numbers
QuarterCallsPutsP/C
Q3 2025$107.4k$161.0k1.50
Q4 2025$230.7k$247.3k1.07
Q1 2026$89.0k$238.4k2.68
Q2 2026$79.9k$172.1k2.15

Biggest buyers

ADAR1 Capital Management, LLC Added +2,924,598+2.9m
Lynx1 Capital Management LP New +1,798,070+1.8m
Ikarian Capital, LLC New +1,000,000+1.0m
BOOTHBAY FUND MANAGEMENT, LLC New +303,000+303.0k
RENAISSANCE TECHNOLOGIES LLC Added +197,032+197.0k
Verdad Advisers, LP Added +183,023+183.0k
Marquette Asset Management, LLC New +174,500+174.5k
GEODE CAPITAL MANAGEMENT, LLC Added +161,303+161.3k
VANGUARD CAPITAL MANAGEMENT LLC Added +97,250+97.2k
BlackRock, Inc. Added +54,784+54.8k

Biggest sellers

Blue Owl Capital Holdings LP Sold out -2,969,199-3.0m
CITADEL ADVISORS LLC Reduced -1,084,373-1.1m
MILLENNIUM MANAGEMENT LLC Reduced -621,071-621.1k
UBS Group AG Reduced -486,194-486.2k
Centiva Capital, LP Sold out -432,525-432.5k
GOLDMAN SACHS GROUP INC Reduced -388,252-388.3k
Woodline Partners LP Reduced -370,296-370.3k
BANK OF AMERICA CORP /DE/ Sold out -352,708-352.7k
TORNO CAPITAL, LLC Reduced -348,555-348.6k
Prosight Management, LP Reduced -297,367-297.4k

Biggest calls

JANE STREET GROUP, LLC New $70.6k61.9k shares
SIMPLEX TRADING, LLC Reduced $9.2k8.1k shares
GROUP ONE TRADING LLC Reduced $114100 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $93.4k81.9k shares
SIMPLEX TRADING, LLC Reduced $65.0k57.0k shares
JANE STREET GROUP, LLC Reduced $13.8k12.1k 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
TANG CAPITAL MANAGEMENT LLC 13D · may seek influence new · filed 2025-03-10
Stated purposeThe Reporting Persons purchased the Common Stock reported hereunder for investment purposes, and such purchases were made in the Reporting Persons' ordinary course of business. As with their other investments, the Reporting Persons continuously evaluate the Issuer, including, but not limited to, its businesses, operations and prospects. The Reporting Persons may engage in discussions with the Issuer and its representatives and/or other stockholders, seek to enter into a confidentiality agreement with the Issuer and/or discuss with the Issuer different strategic alternatives or changes to the Issuer's operations. There can be no certainty as to whether discussions with the Issuer will occur, the outcome of any such discussions or whether the Reporting Persons will take any actions relating… Full filing
9.6% new 5.9m≈ $6.7m 2025-03-10
ADAR1 Capital Management, LLC 13G · institution new · filed 2026-08-14 8.9% new 5.5m≈ $6.3m 2026-08-14

Fell to 5% or below in the last year: CITADEL ADVISORS LLC (3.5%, 2026-08-14), Point72 Asset Management, L.P. (0.1%, 2026-02-17), Woodline Partners LP (3.3%, 2026-02-17), MORGAN STANLEY (0.9%, 2026-01-08), Deep Track Capital, LP (0.0%, 2025-11-14)

Insider purchases and sales since 1 Apr 2026

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
10010Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 6 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 4 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—6$1.5m$1.5m
Q2 20250—0——
Q3 20250—0——
Q4 20250—0——
Q1 20260—4$163.6k$163.6k
Q2 20260—0——
Q3 20260—0——

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 TANG CAPITAL MANAGEMENT LLC 0.32% of their portfolio SAN DIEGO, CA 6,141,2616.1m $7.0m $7.0m 0.32% Reduced -1.9k -1,871
2 ADAR1 Capital Management, LLC 0.30% of their portfolio AUSTIN, TX 5,509,7245.5m $6.3m $6.3m 0.30% Added +2.9m +2,924,598
3 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 2,440,3512.4m $2.8m $2.8m 0.00% Added +97.2k +97,250
4 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 2,416,5082.4m $2.7m $2.7m 0.00% Unchanged
5 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 2,262,8322.3m $2.6m $2.6m 0.00% Added +9.7k +9,694
6 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 2,142,2262.1m $2.4m $2.4m 0.00% Reduced -1.1m -1,084,373
7 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 2,049,8742.0m $2.3m $2.3m 0.00% Added +197.0k +197,032
8 Monaco Asset Management SAM 0.82% of their portfolio Monaco, O9 1,938,7471.9m $2.2m $2.2m 0.82% Unchanged
9 Lynx1 Capital Management LP 0.24% of their portfolio DORADO, PR 1,798,0701.8m $2.0m $2.0m 0.24% New
10 BML Capital Management, LLC 1.01% of their portfolio ZIONSVILLE, IN 1,546,1371.5m $1.8m $1.8m 1.01% Unchanged
11 Prosight Management, LP 0.27% of their portfolio DALLAS, TX 1,370,2331.4m $1.6m $1.6m 0.27% Reduced -297.4k -297,367
12 Peapod Lane Capital LLC 1.01% of their portfolio Bedford Hills, NY 1,309,0131.3m $1.5m $1.5m 1.01% Added +20.4k +20,435
13 Woodline Partners LP 0.00% of their portfolio San Francisco, CA 1,296,5341.3m $1.5m $1.5m 0.00% Reduced -370.3k -370,296
14 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,151,2141.2m $1.3m $1.3m 0.00% Added +54.8k +54,784
15 Ikarian Capital, LLC 0.19% of their portfolio DALLAS, TX 1,000,0001.0m $1.1m $1.1m 0.19% New
16 Eversept Partners, LP 0.06% of their portfolio NEW YORK, NY 891,425891.4k $1.0m $1.0m 0.06% Unchanged
17 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 835,124835.1k $952.0k $952.0k 0.00% Reduced -160.8k -160,849
18 Redmile Group, LLC 0.06% of their portfolio LARKSPUR, CA 772,126772.1k $880.2k $880.2k 0.06% Unchanged
19 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 681,647681.6k $783.9k $783.9k 0.00% Reduced -180.2k -180,176
20 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 643,120643.1k $733.2k $733.2k 0.00% Reduced -75.4k -75,423
21 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 578,577578.6k $660.0k $660.0k 0.00% Added +161.3k +161,303
22 UBS Group AG 0.00% of their portfolio ZURICH, V8 571,760571.8k $651.8k $651.8k 0.00% Reduced -486.2k -486,194
23 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 559,447559.4k $637.8k $637.8k 0.00% Reduced -621.1k -621,071
24 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 553,630553.6k $631.1k $631.1k 0.01% Unchanged
25 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 536,081536.1k $611.1k $611.1k 0.00% Added +18.6k +18,628
26 BESSEMER GROUP INC 0.00% of their portfolio WOODBRIDGE, NJ 532,079532.1k $606.0k $606.0k 0.00% Unchanged
27 DAFNA Capital Management LLC 0.11% of their portfolio LOS ANGELES, CA 487,000487.0k $555.2k $555.2k 0.11% Unchanged
28 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 440,844440.8k $502.6k $502.6k 0.01% Reduced -60.0k -59,994
29 Laurion Capital Management LP 0.03% of their portfolio NEW YORK, NY 412,796412.8k $470.6k $470.6k 0.03% Unchanged
30 TORNO CAPITAL, LLC 0.03% of their portfolio COHASSET, MA 351,445351.4k $400.6k $400.6k 0.03% Reduced -348.6k -348,555
31 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 341,751341.8k $389.6k $389.6k 0.00% Added +2.2k +2,211
32 BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 303,000303.0k $345.4k $345.4k 0.01% New
33 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 298,976299.0k $340.8k $340.8k 0.00% Reduced -206.8k -206,763
34 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 297,291297.3k $338.9k $338.9k 0.00% Unchanged
35 Verdad Advisers, LP 0.31% of their portfolio BOSTON, MA 281,343281.3k $320.7k $320.7k 0.31% Added +183.0k +183,023
36 ArrowMark Colorado Holdings LLC 0.01% of their portfolio Denver, CO 281,189281.2k $320.6k $320.6k 0.01% Unchanged
37 NANO CAP NEW MILLENNIUM GROWTH FUND L P 0.24% of their portfolio STATEN ISLAND, NY 275,000275.0k $313.5k $313.5k 0.24% Unchanged
38 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 253,418253.4k $288.9k $288.9k 0.00% Unchanged
39 Stonepine Capital Management, LLC 0.20% of their portfolio Bend, OR 230,538230.5k $262.8k $262.8k 0.20% Added +5.9k +5,888
40 Rangeley Capital, LLC 0.24% of their portfolio NEW CANAAN, CT 225,000225.0k $256.5k $256.5k 0.24% Unchanged
41 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 208,585208.6k $237.8k $237.8k 0.00% Reduced -388.3k -388,252
42 Marquette Asset Management, LLC 0.03% of their portfolio MINNEAPOLIS, MN 174,500174.5k $198.9k $198.9k 0.03% New
43 HighMark Wealth Management LLC 0.06% of their portfolio ST. PAUL, MN 166,224166.2k $189.5k $189.5k 0.06% Unchanged
44 GSA CAPITAL PARTNERS LLP 0.01% of their portfolio LONDON, X0 162,206162.2k $185.0k $185.0k 0.01% Reduced -239.9k -239,886
45 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 153,712153.7k $175.2k $175.2k 0.00% Reduced -98 -98
46 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 129,951130.0k $148.1k $148.1k 0.00% Reduced -226.8k -226,843
47 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 125,060125.1k $142.6k $142.6k 0.00% Reduced -29.1k -29,116
48 ALGERT GLOBAL LLC 0.00% of their portfolio SAN FRANCISCO, CA 123,402123.4k $140.7k $140.7k 0.00% Added +39.0k +38,950
49 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 114,924114.9k $131.0k $131.0k 0.00% Unchanged
50 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 104,678104.7k $119.3k $119.3k 0.00% Reduced -10.5k -10,540
51 Bond & Devick Financial Network, Inc. 0.03% of their portfolio ST. LOUIS PARK, MN 100,160100.2k $114.2k $114.2k 0.03% Unchanged
52 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 99,77399.8k $113.8k $113.8k 0.00% Unchanged
53 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 55,12955.1k $62.8k $62.8k 0.00% Unchanged
54 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 40,81440.8k $46.5k $46.5k 0.00% Reduced -122.4k -122,401
55 Headlands Technologies LLC 0.00% of their portfolio CHICAGO, IL 33,68833.7k $38.4k $38.4k 0.00% New
56 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 33,28033.3k $37.9k $37.9k 0.00% Reduced -17.7k -17,701
57 TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio STAMFORD, CT 29,72929.7k $33.9k $33.9k 0.00% Unchanged
58 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 29,05529.1k $33.1k $33.1k 0.00% Reduced -33.6k -33,596
59 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 28,50028.5k $32.5k $32.5k 0.00% Unchanged
60 Spark Investment Management LLC 0.05% of their portfolio NEW YORK, NY 22,60022.6k $25.8k $25.8k 0.05% New
61 Blackstone Inc. 0.00% of their portfolio NEW YORK, NY 22,20622.2k $25.3k $25.3k 0.00% Unchanged
62 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 20,07320.1k $22.9k $22.9k 0.00% Reduced -27.0k -26,981
63 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 19,50719.5k $22.2k $22.2k 0.00% Unchanged
64 Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% of their portfolio FRANKFURT AM MAIN, 2M 18,06518.1k $20.6k $20.6k 0.00% Unchanged
65 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 16,03216.0k $18.3k $18.3k 0.00% Added +208 +208
66 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 15,48015.5k $17.6k $17.6k 0.00% Reduced -37.5k -37,476
67 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 15,00015.0k $17.1k $17.1k 0.00% New
68 Fiduciary Trust Co 0.00% of their portfolio Boston, MA 11,62011.6k $13.2k $13.2k 0.00% Unchanged
69 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 10,03310.0k $11.4k $11.4k 0.00% Reduced -933 -933
70 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 4,9254.9k $5.6k $5.6k 0.00% Reduced -43.1k -43,129
71 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 995995 $2.0k $2.0k 0.00% Reduced -2 -2
72 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 660660 $752 $752 0.00% Unchanged
73 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 657657 $749 $749 0.00% Unchanged
74 HARBOUR INVESTMENTS, INC. 0.00% of their portfolio MADISON, WI 590590 $672 $672 0.00% Added +102 +102
75 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 426426 $486 $486 0.00% Added +392 +392
76 FMR LLC 0.00% of their portfolio BOSTON, MA 419419 $478 $478 0.00% Reduced -105 -105
77 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 300300 $342 $342 0.00% Unchanged
78 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 5050 $57 $57 0.00% Unchanged
79 Truvestments Capital LLC 0.00% of their portfolio SARASOTA, FL 5050 $57 $57 0.00% Unchanged
80 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 3636 $41 $41 0.00% Unchanged
81 Capital Advisors, Ltd. LLC 0.00% of their portfolio SHAKER HEIGHTS, OH 3131 $0 $0 0.00% Added +11 +11
82 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 88 $9 $9 0.00% Added +4 +4
83 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 55 $6 $6 0.00% Unchanged
84 FIFTH THIRD BANCORP 0.00% of their portfolio CINCINNATI, OH 44 $5 $5 0.00% Unchanged
85 IFG Advisory, LLC 0.00% of their portfolio ATLANTA, GA 44 $5 $5 0.00% New
86 Global Retirement Partners, LLC 0.00% of their portfolio San Rafael, CA 44 $5 $5 0.00% First filing