Vault-13

SHATTUCK LABS INC STTK

COM · Common Stock · CUSIP 82024L103

84 institutional holders +19 vs Q4 2025
56,070,18156.1m shares reported held*
73.1% of all shares outstanding*
$360.4mreported value*
20 new 33 added 14 reduced 4 sold out net bought ≈ $82.6m (+12.9m 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: 76.7m as of 2026-04-30, 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 ≈ $6.43. Options: 1 managers hold calls ($16.1k notional), 0 hold puts (—).

Trends to Q1 2026

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 63Q4 22: 49Q1 23: 50Q2 23: 43Q3 23: 42Q4 23: 58Q1 24: 71Q2 24: 75Q3 24: 79Q4 24: 76Q1 25: 76Q2 25: 62Q3 25: 56Q4 25: 65Q1 26: 8484Q3 22Q3 23Q3 24Q3 25Q1 26
Numbers
QuarterHolders
Q3 202263
Q4 202249
Q1 202350
Q2 202343
Q3 202342
Q4 202358
Q1 202471
Q2 202475
Q3 202479
Q4 202476
Q1 202576
Q2 202562
Q3 202556
Q4 202565
Q1 202684

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q2 24: 50 bought or addedQ2 24: 35 cut or sold outQ3 24: 42 bought or addedQ3 24: 27 cut or sold outQ3 24Q4 24: 37 bought or addedQ4 24: 35 cut or sold outQ1 25: 24 bought or addedQ1 25: 30 cut or sold outQ1 25Q2 25: 31 bought or addedQ2 25: 45 cut or sold outQ3 25: 25 bought or addedQ3 25: 41 cut or sold outQ3 25Q4 25: 32 bought or addedQ4 25: 18 cut or sold outQ1 26: 53 bought or addedQ1 26: 18 cut or sold outQ1 26
Numbers
QuarterBought or addedCut or sold out
Q2 20245035
Q3 20244227
Q4 20243735
Q1 20252430
Q2 20253145
Q3 20252541
Q4 20253218
Q1 20265318

Calls vs puts

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

CallsPuts
$0$100k$200k$300kQ2 25 calls: $28.5kQ2 25 puts: $0Q2 25P/C 0.00Q3 25 calls: $223.6kQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $365Q4 25 puts: $0Q4 25P/C 0.00Q1 26 calls: $16.1kQ1 26 puts: $0Q1 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q2 2025$28.5k$00.00
Q3 2025$223.6k$00.00
Q4 2025$365$00.00
Q1 2026$16.1k$00.00

Biggest buyers

T. Rowe Price Investment Management, Inc. Added +8,004,420+8.0m
Prosight Management, LP Added +2,622,937+2.6m
AMERIPRISE FINANCIAL INC Added +894,207+894.2k
Aberdeen Group plc Added +628,144+628.1k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +567,538+567.5k
JANE STREET GROUP, LLC Added +361,892+361.9k
DIADEMA PARTNERS LP New +293,664+293.7k
MILLENNIUM MANAGEMENT LLC Added +286,337+286.3k
ALGERT GLOBAL LLC New +286,072+286.1k
RENAISSANCE TECHNOLOGIES LLC Added +263,800+263.8k

Biggest sellers

ADAGE CAPITAL PARTNERS GP, L.L.C. Reduced -1,661,170-1.7m
BANK OF AMERICA CORP /DE/ Reduced -1,026,693-1.0m
683 Capital Management, LLC Reduced -590,000-590.0k
TWO SIGMA ADVISERS, LP Sold out -170,600-170.6k
PRICE T ROWE ASSOCIATES INC /MD/ Reduced -143,352-143.4k
TWO SIGMA INVESTMENTS, LP Reduced -121,717-121.7k
Pathstone Holdings, LLC Reduced -83,127-83.1k
Point72 Asset Management, L.P. Reduced -37,182-37.2k
Squarepoint Ops LLC Reduced -33,623-33.6k
Bank of New York Mellon Corp Reduced -20,620-20.6k

Biggest calls

SIMPLEX TRADING, LLC Added $16.1k2.5k shares

Biggest puts

None

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
T. Rowe Price Investment Management, Inc. 13G · institution +1.5 pts · filed 2026-08-14 15.3% +1.5 pts 13.4m≈ $93.2m 2026-08-14
ORBIMED ADVISORS LLC 13D · may seek influence no change · filed 2026-06-15
Stated purposeThe Reporting Persons from time to time intend to review their investment in the Issuer on the basis of various factors, including the Issuer's business, financial condition, results of operations and prospects, general economic and industry conditions, the securities markets in general and those for the Issuer's Shares in particular, as well as other developments and other investment opportunities. Based upon such review, the Reporting Persons will take such actions in the future as the Reporting Persons may deem appropriate in light of the circumstances existing from time to time. If the Reporting Persons believe that further investment in the Issuer is attractive, whether because of the market price of Shares or otherwise, they may acquire Shares or other securities of the Issuer either… Full filing
10.0% no change 9.0m≈ $62.6m 2026-06-15
Redmile Group, LLC 13D · may seek influence no change · filed 2026-07-17 9.9% no change 10.0m≈ $69.5m 2026-07-17
Prosight Management, LP 13G · passive investor filed 2025-11-13 9.9% 6.5m≈ $45.4m 2025-11-13
ADAGE CAPITAL PARTNERS GP, L.L.C. 13G · institution filed 2025-02-12 9.8% 4.7m≈ $32.4m 2025-02-12
BlackRock, Inc. 13G · institution +3.5 pts · filed 2026-10-27 5.3% +3.5 pts 5.3m≈ $37.1m 2026-10-27
Deep Track Capital, LP 13G · passive investor new · filed 2026-06-17 5.2% new 5.0m≈ $34.7m 2026-06-17

Insider purchases and sales in Q1 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
202Q2 24: 2 buyingQ2 24: 0 sellingQ3 24: 0 buyingQ3 24: 0 sellingQ3 24Q4 24: 2 buyingQ4 24: 1 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 2 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q2 20242$82.7k0——
Q3 20240—0——
Q4 20242$210.9k1$166.7k—
Q1 20250—0——
Q2 20250—0——
Q3 20252$5.5m0——
Q4 20250—0——
Q1 20260—0——

None reported in Q1 2026.

Holders, Q1 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 T. Rowe Price Investment Management, Inc. 0.04% of their portfolio BALTIMORE, MD 9,865,5589.9m $63.4m $63.4m 0.04% Added +8.0m +8,004,420
2 ORBIMED ADVISORS LLC 0.88% of their portfolio New York, NY 6,306,1276.3m $40.5m $40.5m 0.88% Unchanged
3 Redmile Group, LLC 2.36% of their portfolio LARKSPUR, CA 5,539,7245.5m $35.6m $35.6m 2.36% Unchanged
4 Prosight Management, LP 5.28% of their portfolio DALLAS, TX 5,004,4395.0m $32.2m $32.2m 5.28% Added +2.6m +2,622,937
5 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.05% of their portfolio Boston, MA 4,644,9574.6m $29.9m $29.9m 0.05% Reduced -1.7m -1,661,170
6 NEXTBio Capital Management LP 9.40% of their portfolio AUSTIN, TX 3,149,9073.1m $20.3m $20.3m 9.40% Unchanged
7 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 2,277,1762.3m $14.6m $14.6m 0.00% First filing
8 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 1,782,7881.8m $11.5m $11.5m 0.00% Reduced -143.4k -143,352
9 CLARK ESTATES INC/NY 2.28% of their portfolio NEW YORK, NY 1,475,6481.5m $9.5m $9.5m 2.28% Unchanged
10 PINNACLE ASSOCIATES LTD 0.11% of their portfolio NEW YORK, NY 1,368,2231.4m $8.8m $8.8m 0.11% Added +17.6k +17,585
11 Aberdeen Group plc 0.01% of their portfolio EDINBURGH, X0 1,159,3211.2m $7.5m $7.5m 0.01% Added +628.1k +628,144
12 Point72 Asset Management, L.P. 0.01% of their portfolio STAMFORD, CT 1,031,0491.0m $6.6m $6.6m 0.01% Reduced -37.2k -37,182
13 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 905,707905.7k $5.8m $5.8m 0.00% Added +894.2k +894,207
14 683 Capital Management, LLC 0.48% of their portfolio NEW YORK, NY 800,000800.0k $5.1m $5.1m 0.48% Reduced -590.0k -590,000
15 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 763,745763.7k $4.9m $4.9m 0.00% Added +286.3k +286,337
16 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio BALA CYNWYD, PA 715,965716.0k $4.6m $4.6m 0.01% Added +567.5k +567,538
17 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 645,705645.7k $4.2m $4.2m 0.00% Added +27.4k +27,428
18 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 604,500604.5k $3.9m $3.9m 0.01% Added +263.8k +263,800
19 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 581,471581.5k $3.7m $3.7m 0.00% Added +91.6k +91,559
20 BlackRock, Inc. 0.00% of their portfolio New York, NY 510,806510.8k $3.3m $3.3m 0.00% Added +92.3k +92,277
21 S&G Foundation 0.15% of their portfolio WILSON, WY 435,749435.7k $2.8m $2.8m 0.15% First filing
22 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 415,938415.9k $2.7m $2.7m 0.00% Added +361.9k +361,892
23 FMR LLC 0.00% of their portfolio BOSTON, MA 392,500392.5k $2.5m $2.5m 0.00% Reduced -100 -100
24 TD Asset Management Inc 0.00% of their portfolio Toronto, A6 382,648382.6k $2.5m $2.5m 0.00% Added +131.6k +131,598
25 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 324,588324.6k $2.1m $2.1m 0.00% First filing
26 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 316,012316.0k $2.0m $2.0m 0.00% Reduced -121.7k -121,717
27 DIADEMA PARTNERS LP 0.78% of their portfolio MORRISTOWN, NJ 293,664293.7k $1.9m $1.9m 0.78% New
28 ALGERT GLOBAL LLC 0.03% of their portfolio SAN FRANCISCO, CA 286,072286.1k $1.8m $1.8m 0.03% New
29 SPHERA FUNDS MANAGEMENT LTD. 0.31% of their portfolio TEL AVIV, L3 280,786280.8k $1.8m $1.8m 0.31% Added +85.6k +85,574
30 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 263,768263.8k $1.7m $1.7m 0.00% Added +48.4k +48,350
31 Hudson Bay Capital Management LP 0.01% of their portfolio STAMFORD, CT 228,817228.8k $1.5m $1.5m 0.01% New
32 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 200,136200.1k $1.3m $1.3m 0.00% Added +182.0k +182,028
33 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 194,773194.8k $1.3m $1.3m 0.00% New
34 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 191,442191.4k $1.2m $1.2m 0.00% Added +63.3k +63,277
35 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 183,246183.2k $1.2m $1.2m 0.00% Added +103.9k +103,879
36 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 155,642155.6k $1.0m $1.0m 0.00% Added +132.4k +132,450
37 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 148,021148.0k $951.8k $951.8k 0.00% Added +79.2k +79,175
38 XTX Topco Ltd 0.02% of their portfolio LONDON, X0 142,466142.5k $916.1k $916.1k 0.02% Added +117.6k +117,593
39 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 142,300142.3k $915.0k $915.0k 0.00% Added +7.2k +7,244
40 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 139,304139.3k $895.7k $895.7k 0.00% Added +73.6k +73,570
41 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 126,798126.8k $815.3k $815.3k 0.00% Added +88.0k +88,041
42 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 126,061126.1k $810.6k $810.6k 0.00% Reduced -19.4k -19,384
43 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 119,879119.9k $770.8k $770.8k 0.00% New
44 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 90,69890.7k $583.0k $583.0k 0.00% New
45 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 89,77489.8k $577.2k $577.2k 0.00% Reduced -20.6k -20,620
46 LBJ Family Wealth Advisors, Ltd. 0.29% of their portfolio AUSTIN, TX 82,17782.2k $490.0k $490.0k 0.29% Unchanged
47 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 79,92479.9k $513.9k $513.9k 0.00% Reduced -1.0m -1,026,693
48 Brevan Howard Capital Management LP 0.01% of their portfolio ST. HELIER, Y9 79,47679.5k $511.0k $511.0k 0.01% New
49 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 75,00575.0k $482.3k $482.3k 0.00% Added +50.2k +50,173
50 Persistent Asset Partners Ltd 0.19% of their portfolio HONG KONG, K3 74,22974.2k $477.3k $477.3k 0.19% New
51 Pathstone Holdings, LLC 0.00% of their portfolio ENGLEWOOD, NJ 73,95674.0k $475.5k $475.5k 0.00% Reduced -83.1k -83,127
52 Hillsdale Investment Management Inc. 0.01% of their portfolio Toronto, A6 65,40065.4k $420.5k $420.5k 0.01% New
53 Davis Asset Management, L.P. 0.01% of their portfolio SAUSALITO, CA 48,27648.3k $310.4k $310.4k 0.01% New
54 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 48,12748.1k $309.5k $309.5k 0.00% Added +30.8k +30,845
55 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 42,44542.4k $268.7k $268.7k 0.00% New
56 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 42,30042.3k $272.0k $272.0k 0.01% Unchanged
57 EP Wealth Advisors, LLC 0.00% of their portfolio TORRANCE, CA 41,16741.2k $264.7k $264.7k 0.00% Unchanged
58 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 40,88140.9k $262.9k $262.9k 0.00% Added +20.0k +20,000
59 PIPER SANDLER & CO. 0.25% of their portfolio MINNEAPOLIS, MN 39,46739.5k $253.8k $253.8k 0.25% Unchanged
60 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 36,93236.9k $237.5k $237.5k 0.00% Added +8.7k +8,701
61 UBS Group AG 0.00% of their portfolio ZURICH, V8 36,28036.3k $233.3k $233.3k 0.00% Added +23.1k +23,076
62 OMERS ADMINISTRATION Corp 0.00% of their portfolio TORONTO, A6 33,30033.3k $214.1k $214.1k 0.00% Added +6.8k +6,800
63 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 31,16231.2k $200.4k $200.4k 0.00% Reduced -33.6k -33,623
64 Dynamic Technology Lab Private Ltd 0.03% of their portfolio SINGAPORE, U0 29,58829.6k $190.3k $190.3k 0.03% New
65 CHOREO, LLC 0.00% of their portfolio ROCKFORD, IL 27,25127.3k $130.2k $130.2k 0.00% Unchanged
66 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 26,29526.3k $169.1k $169.1k 0.00% First filing
67 RITHOLTZ WEALTH MANAGEMENT 0.00% of their portfolio NEW YORK, NY 26,00026.0k $167.2k $167.2k 0.00% Unchanged
68 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 24,68624.7k $158.7k $158.7k 0.00% New
69 BENJAMIN EDWARDS INC 0.00% of their portfolio Clayton, MO 23,40023.4k $150.5k $150.5k 0.00% New
70 Mallini Complete Financial Planning LLC 0.12% of their portfolio GAINESVILLE, FL 22,63222.6k $145.5k $145.5k 0.12% Unchanged
71 Diametric Capital, LP 0.03% of their portfolio BOSTON, MA 18,43418.4k $118.5k $118.5k 0.03% New
72 Catalyst Funds Management Pty Ltd 0.02% of their portfolio SYDNEY NSW, C3 17,90017.9k $115.1k $115.1k 0.02% New
73 Engineers Gate Manager LP 0.00% of their portfolio NEW YORK, NY 16,08716.1k $103.4k $103.4k 0.00% Added +2.4k +2,417
74 Verdad Advisers, LP 0.10% of their portfolio BOSTON, MA 13,37813.4k $86.0k $86.0k 0.10% New
75 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 12,33512.3k $79.3k $79.3k 0.00% Unchanged
76 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 12,13412.1k $78.0k $78.0k 0.00% New
77 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 11,53311.5k $74.2k $74.2k 0.00% New
78 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 8,0108.0k $51.5k $51.5k 0.00% New
79 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 5,6405.6k $36.3k $36.3k 0.00% Added +5.1k +5,100
80 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 248248 $1.5k $1.5k 0.00% Reduced -95 -95
81 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 7373 $0 $0 0.00% Added +9 +9
82 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 6666 $424 $424 0.00% Unchanged
83 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 5050 $322 $322 0.00% Reduced -42 -42
84 CWM, LLC 0.00% of their portfolio OMAHA, NE 3939 $251 $251 0.00% Reduced -4 -4