Vault-13

BLACK DIAMOND THERAPEUTICS I BDTX

COM · Common Stock · CUSIP 09203E105 · ISIN US09203E1055

96 institutional holders -9 vs Q1 2026
34,798,19734.8m shares reported held*
60.6% of all shares outstanding*
$64.4mreported value*
24 new 35 added 25 reduced 31 sold out net sold ≈ $6.4m (-3.4m 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 ($464.3k this quarter). Holder counts are more reliable. Shares outstanding: 57.5m as of 2026-07-30, 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 ≈ $1.85. Options: 6 managers hold calls ($779.4k notional), 4 hold puts ($163.0k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 69Q4 22: 60Q1 23: 51Q2 23: 75Q3 23: 74Q4 23: 77Q1 24: 89Q2 24: 92Q3 24: 97Q4 24: 89Q1 25: 86Q2 25: 95Q3 25: 91Q4 25: 104Q1 26: 105Q2 26: 9696Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202269
Q4 202260
Q1 202351
Q2 202375
Q3 202374
Q4 202377
Q1 202489
Q2 202492
Q3 202497
Q4 202489
Q1 202586
Q2 202595
Q3 202591
Q4 2025104
Q1 2026105
Q2 202696

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 24: 57 bought or addedQ3 24: 38 cut or sold outQ4 24: 48 bought or addedQ4 24: 45 cut or sold outQ4 24Q1 25: 32 bought or addedQ1 25: 41 cut or sold outQ2 25: 61 bought or addedQ2 25: 44 cut or sold outQ2 25Q3 25: 49 bought or addedQ3 25: 47 cut or sold outQ4 25: 62 bought or addedQ4 25: 36 cut or sold outQ4 25Q1 26: 50 bought or addedQ1 26: 55 cut or sold outQ2 26: 59 bought or addedQ2 26: 56 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20245738
Q4 20244845
Q1 20253241
Q2 20256144
Q3 20254947
Q4 20256236
Q1 20265055
Q2 20265956

Calls vs puts

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

CallsPuts
$0$200k$400k$600k$800kQ3 25 calls: $449.7kQ3 25 puts: $17.3kQ3 25P/C 0.04Q4 25 calls: $657.1kQ4 25 puts: $234.7kQ4 25P/C 0.36Q1 26 calls: $229.2kQ1 26 puts: $221.1kQ1 26P/C 0.96Q2 26 calls: $779.4kQ2 26 puts: $163.0kQ2 26P/C 0.21
Numbers
QuarterCallsPutsP/C
Q3 2025$449.7k$17.3k0.04
Q4 2025$657.1k$234.7k0.36
Q1 2026$229.2k$221.1k0.96
Q2 2026$779.4k$163.0k0.21

Biggest buyers

BlackRock, Inc. Added +2,810,248+2.8m
Defilade Capital Management, L.P. New +1,674,999+1.7m
GEODE CAPITAL MANAGEMENT, LLC Added +681,596+681.6k
AWM Investment Company, Inc. Added +475,000+475.0k
RENAISSANCE TECHNOLOGIES LLC Added +318,647+318.6k
VANGUARD PORTFOLIO MANAGEMENT LLC Added +313,894+313.9k
STATE STREET CORP Added +311,500+311.5k
BANK OF AMERICA CORP /DE/ Added +299,373+299.4k
PANAGORA ASSET MANAGEMENT INC New +295,172+295.2k
VANGUARD CAPITAL MANAGEMENT LLC Added +274,802+274.8k

Biggest sellers

T. Rowe Price Investment Management, Inc. Reduced -6,534,901-6.5m
MACKENZIE FINANCIAL CORP Sold out -844,835-844.8k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Reduced -569,008-569.0k
Man Group plc Sold out -559,700-559.7k
WINTON GROUP Ltd Sold out -538,259-538.3k
CITADEL ADVISORS LLC Sold out -502,652-502.7k
GOLDMAN SACHS GROUP INC Reduced -395,638-395.6k
GLOBEFLEX CAPITAL L P Sold out -305,276-305.3k
UBS Group AG Reduced -299,525-299.5k
Round Rock Advisors LLC Sold out -274,367-274.4k

Biggest calls

TORONTO DOMINION BANK New $395.9k214.0k shares
CITADEL ADVISORS LLC Added $166.5k90.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $97.9k52.9k shares
SIMPLEX TRADING, LLC Added $69.7k37.7k shares
JANE STREET GROUP, LLC Reduced $25.2k13.6k shares
GROUP ONE TRADING LLC Reduced $24.2k13.1k shares

Biggest puts

CITADEL ADVISORS LLC Reduced $112.8k61.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $48.8k26.4k shares
GROUP ONE TRADING LLC New $925500 shares
SIMPLEX TRADING, LLC Reduced $370200 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
T. Rowe Price Investment Management, Inc. 13G · institution filed 2026-07-08 7.0% 4.0m≈ $7.5m 2026-07-08
BlackRock, Inc. 13G · institution +2.2 pts · filed 2026-07-27 6.7% +2.2 pts 3.8m≈ $7.1m 2026-07-27

Fell to 5% or below in the last year: Vestal Point Capital, LP (1.5%, 2026-02-17)

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.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 NEA Management Company, LLC 0.52% of their portfolio TIMONIUM, MD 4,448,7574.4m $8.2m $8.2m 0.52% Unchanged
2 T. Rowe Price Investment Management, Inc. 0.00% of their portfolio BALTIMORE, MD 4,028,2024.0m $7.5m $7.5m 0.00% Reduced -6.5m -6,534,901
3 BlackRock, Inc. 0.00% of their portfolio New York, NY 3,917,0883.9m $7.2m $7.2m 0.00% Added +2.8m +2,810,248
4 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 2,348,6512.3m $4.3m $4.3m 0.01% Unchanged
5 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 2,125,2702.1m $3.9m $3.9m 0.00% Added +274.8k +274,802
6 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 1,962,3942.0m $3.6m $3.6m 0.00% Added +318.6k +318,647
7 Defilade Capital Management, L.P. 0.41% of their portfolio EMERYVILLE, CA 1,674,9991.7m $3.1m $3.1m 0.41% New
8 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 1,365,3841.4m $2.5m $2.5m 0.00% Added +63.7k +63,720
9 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 1,218,1711.2m $2.3m $2.3m 0.00% Added +681.6k +681,596
10 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 1,092,8851.1m $2.0m $2.0m 0.00% Added +34.5k +34,488
11 AWM Investment Company, Inc. 0.16% of their portfolio NEW YORK, NY 1,000,0001.0m $1.9m $1.9m 0.16% Added +475.0k +475,000
12 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 896,602896.6k $1.7m $1.7m 0.00% Added +60.3k +60,336
13 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.03% of their portfolio HOUSTON, TX 791,434791.4k $1.5m $1.5m 0.03% Added +68.0k +67,957
14 FMR LLC 0.00% of their portfolio BOSTON, MA 643,668643.7k $1.2m $1.2m 0.00% Added +19.8k +19,841
15 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 542,172542.2k $1.0m $1.0m 0.00% Added +31.4k +31,361
16 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 525,013525.0k $971.3k $971.3k 0.00% Added +311.5k +311,500
17 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 413,516413.5k $765.0k $765.0k 0.00% Added +299.4k +299,373
18 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 407,074407.1k $753.1k $753.1k 0.00% Added +313.9k +313,894
19 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 365,394365.4k $676.0k $676.0k 0.00% Reduced -99.3k -99,314
20 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 318,763318.8k $589.7k $589.7k 0.00% Added +129.6k +129,615
21 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 309,853309.9k $573.2k $573.2k 0.00% Added +49.9k +49,945
22 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 295,172295.2k $546.1k $546.1k 0.00% New
23 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 289,712289.7k $536.0k $536.0k 0.00% Added +194.9k +194,881
24 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.00% of their portfolio Stamford, CT 288,871288.9k $534.4k $534.4k 0.00% Added +106.6k +106,635
25 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 288,780288.8k $534.2k $534.2k 0.00% Reduced -395.6k -395,638
26 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 281,245281.2k $520.3k $520.3k 0.00% Added +2.6k +2,600
27 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 265,562265.6k $491.3k $491.3k 0.00% Reduced -569.0k -569,008
28 UBS Group AG 0.00% of their portfolio ZURICH, V8 265,313265.3k $490.8k $490.8k 0.00% Reduced -299.5k -299,525
29 Empowered Funds, LLC 0.00% of their portfolio NEWTOWN SQUARE, PA 248,134248.1k $459.0k $459.0k 0.00% Added +18.0k +17,957
30 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 231,200231.2k $427.7k $427.7k 0.00% Added +142.6k +142,577
31 GSA CAPITAL PARTNERS LLP 0.03% of their portfolio LONDON, X0 220,907220.9k $409.0k $409.0k 0.03% Added +51.1k +51,140
32 RITHOLTZ WEALTH MANAGEMENT 0.00% of their portfolio NEW YORK, NY 178,479178.5k $330.2k $330.2k 0.00% Added +13.1k +13,146
33 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 157,340157.3k $291.1k $291.1k 0.00% Reduced -206.6k -206,581
34 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 131,663131.7k $243.6k $243.6k 0.00% Added +24.3k +24,263
35 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 107,688107.7k $199.2k $199.2k 0.00% Added +93.2k +93,204
36 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 103,600103.6k $191.7k $191.7k 0.00% Reduced -107.8k -107,800
37 RB Capital Management, LLC 0.04% of their portfolio RENO, NV 100,000100.0k $185.0k $185.0k 0.04% Added +65.0k +65,000
38 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 81,31181.3k $150.4k $150.4k 0.00% Reduced -9.7k -9,735
39 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 76,70676.7k $141.9k $141.9k 0.00% Added +39.2k +39,232
40 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 64,80164.8k $119.9k $119.9k 0.00% New
41 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 62,23562.2k $115.1k $115.1k 0.00% Added +48.1k +48,120
42 Graham Capital Management, L.P. 0.00% of their portfolio ROWAYTON, CT 54,23254.2k $100.3k $100.3k 0.00% Reduced -116.7k -116,667
43 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 46,03846.0k $85.2k $85.2k 0.00% New
44 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 44,30144.3k $82.0k $82.0k 0.00% Reduced -8.5k -8,539
45 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 42,00042.0k $77.7k $77.7k 0.00% Reduced -1.3k -1,300
46 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 40,79540.8k $75.5k $75.5k 0.00% Reduced -2.0k -2,000
47 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 40,05740.1k $74.1k $74.1k 0.00% Reduced -27.2k -27,222
48 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 39,68339.7k $73.4k $73.4k 0.00% Unchanged
49 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 39,55539.6k $73.2k $73.2k 0.00% New
50 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 39,27639.3k $73.0k $73.0k 0.00% New
51 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 36,79536.8k $68.1k $68.1k 0.00% New
52 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 35,01135.0k $64.8k $64.8k 0.00% Reduced -43.8k -43,847
53 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 32,34032.3k $68.9k $68.9k 0.00% New
54 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 30,30030.3k $56.1k $56.1k 0.00% New
55 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 29,24229.2k $51.2k $51.2k 0.00% Added +24.6k +24,604
56 EFG International AG 0.00% of their portfolio Zurich, V8 27,00027.0k $50.0k $50.0k 0.00% New
57 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 26,42126.4k $46.4k $46.4k 0.00% Unchanged
58 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 24,08524.1k $44.6k $44.6k 0.00% New
59 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 23,13623.1k $42.8k $42.8k 0.00% Added +21.5k +21,544
60 Virtu Financial LLC 0.00% of their portfolio New York, NY 22,71622.7k $42.0k $42.0k 0.00% New
61 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 21,73221.7k $40.2k $40.2k 0.00% New
62 DIVERSIFIED TRUST CO 0.00% of their portfolio MEMPHIS, TN 18,86018.9k $34.9k $34.9k 0.00% New
63 DLK Investment Management, LLC 0.03% of their portfolio SOLANA BEACH, CA 16,21516.2k $75.6k $75.6k 0.03% Reduced -2.0k -1,985
64 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 15,66715.7k $29.0k $29.0k 0.00% Unchanged
65 Beacon Capital Management, LLC 0.00% of their portfolio FRANKLIN, TN 15,61515.6k $28.9k $28.9k 0.00% Unchanged
66 Spark Investment Management LLC 0.06% of their portfolio NEW YORK, NY 15,50015.5k $28.7k $28.7k 0.06% New
67 J. Safra Sarasin Holding AG 0.00% of their portfolio BASEL, V8 15,50015.5k $28.7k $28.7k 0.00% New
68 Brookstone Capital Management 0.00% of their portfolio WHEATON, IL 13,48413.5k $24.9k $24.9k 0.00% Reduced -806 -806
69 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 11,08411.1k $20.5k $20.5k 0.00% New
70 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 10,47310.5k $19.4k $19.4k 0.00% New
71 Kathmere Capital Management, LLC 0.00% of their portfolio WAYNE, PA 10,24810.2k $19.0k $19.0k 0.00% Reduced -3.6k -3,565
72 Vontobel Holding Ltd. 0.00% of their portfolio ZURICH, V8 10,00010.0k $18.5k $18.5k 0.00% New
73 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 9,9479.9k $18.4k $18.4k 0.00% Added +5.5k +5,550
74 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 9,1209.1k $16.9k $16.9k 0.00% Reduced -991 -991
75 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 8,0278.0k $14.8k $14.8k 0.00% Added +6.3k +6,315
76 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 7,5387.5k $13.9k $13.9k 0.00% New
77 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 4,9925.0k $9.2k $9.2k 0.00% Added +4.1k +4,100
78 Legal & General Group Plc 0.00% of their portfolio London, X0 4,5644.6k $8.4k $8.4k 0.00% New
79 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 4,2834.3k $7.9k $7.9k 0.00% New
80 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 4,0244.0k $7.4k $7.4k 0.00% Added +3.8k +3,774
81 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 3,5003.5k $6.5k $6.5k 0.00% Reduced -2.6k -2,623
82 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 3,3033.3k $6.1k $6.1k 0.00% Reduced -2.1k -2,060
83 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 2,5632.6k $4.7k $4.7k 0.00% Reduced -409 -409
84 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,5001.5k $3.0k $3.0k 0.00% Added +801 +801
85 GF FUND MANAGEMENT CO. LTD. 0.00% of their portfolio GUANGZHOU, F4 1,1851.2k $2.2k $2.2k 0.00% Reduced -87 -87
86 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 951951 $1.8k $1.8k 0.00% New
87 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 480480 $888 $888 0.00% Reduced -377 -377
88 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 428428 $732 $732 0.00% Unchanged
89 Rialto Wealth Management, LLC 0.00% of their portfolio SYRACUSE, NY 286286 $530 $530 0.00% New
90 Federation des caisses Desjardins du Quebec 0.00% of their portfolio LEVIS, A8 280280 $518 $518 0.00% Unchanged
91 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 275275 $509 $509 0.00% Unchanged
92 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 200200 $370 $370 0.00% Unchanged
93 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 141141 $261 $261 0.00% Reduced -333 -333
94 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 103103 $191 $191 0.00% Unchanged
95 TSFG, LLC 0.00% of their portfolio LAKE FOREST, IL 100100 $0 $0 0.00% Unchanged
96 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 99 $17 $17 0.00% Reduced -83 -83