Vault-13

BLACK DIAMOND THERAPEUTICS I BDTX

COM · Common Stock · CUSIP 09203E105 · ISIN US09203E1055

75 institutional holders +24 vs Q1 2023
41,399,07741.4m shares reported held*
80.3% of all shares outstanding*
$209.1mreported value*
32 new 13 added 16 reduced 8 sold out net bought ≈ $100.6m (+19.9m 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 ($117.2k this quarter). Holder counts are more reliable. Shares outstanding: 51.6m as of 2023-08-01, 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 ≈ $5.05. Options: 7 managers hold calls ($3.1m notional), 7 hold puts ($398.3k).

Trends to Q2 2023

Institutional holders

Managers reporting a position, each quarter

0255075Q3 22: 69Q4 22: 60Q1 23: 51Q2 23: 7575Q3 22Q4 22Q1 23Q2 23
Numbers
QuarterHolders
Q3 202269
Q4 202260
Q1 202351
Q2 202375

Buyers vs sellers

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

Bought or addedCut or sold out
50050Q4 22: 16 bought or addedQ4 22: 44 cut or sold outQ4 22Q1 23: 9 bought or addedQ1 23: 26 cut or sold outQ1 23Q2 23: 45 bought or addedQ2 23: 24 cut or sold outQ2 23
Numbers
QuarterBought or addedCut or sold out
Q4 20221644
Q1 2023926
Q2 20234524

Calls vs puts

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

CallsPuts
$0$1m$2m$3m$4mQ3 22 calls: $844.0kQ3 22 puts: $807.0kQ3 22P/C 0.96Q4 22 calls: $50.0kQ4 22 puts: $76.7kQ4 22P/C 1.53Q1 23 calls: $44.8kQ1 23 puts: $1.3kQ1 23P/C 0.03Q2 23 calls: $3.1mQ2 23 puts: $398.3kQ2 23P/C 0.13
Numbers
QuarterCallsPutsP/C
Q3 2022$844.0k$807.0k0.96
Q4 2022$50.0k$76.7k1.53
Q1 2023$44.8k$1.3k0.03
Q2 2023$3.1m$398.3k0.13

Biggest buyers

Bellevue Group AG Added +2,740,000+2.7m
Point72 Asset Management, L.P. New +2,000,000+2.0m
DEERFIELD MANAGEMENT COMPANY, L.P. New +1,800,000+1.8m
RTW INVESTMENTS, LP New +1,700,000+1.7m
JPMORGAN CHASE & CO Added +1,079,507+1.1m
NEA Management Company, LLC Added +1,000,000+1.0m
RA CAPITAL MANAGEMENT, L.P. Added +935,850+935.9k
Ally Bridge Group (NY) LLC New +800,000+800.0k
KENNEDY CAPITAL MANAGEMENT LLC New +751,403+751.4k
CVI Holdings, LLC New +750,000+750.0k

Biggest sellers

EcoR1 Capital, LLC Sold out -1,191,094-1.2m
MILLENNIUM MANAGEMENT LLC Reduced -423,915-423.9k
TWO SIGMA ADVISERS, LP Reduced -163,100-163.1k
MPM BIOIMPACT LLC Sold out -144,888-144.9k
TWO SIGMA INVESTMENTS, LP Sold out -107,754-107.8k
Newtyn Management, LLC Reduced -106,609-106.6k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -56,247-56.2k
GOLDMAN SACHS GROUP INC Sold out -36,679-36.7k
AE Wealth Management LLC Reduced -20,000-20.0k
Beacon Capital Management, LLC Reduced -20,000-20.0k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $911.5k180.5k shares
GROUP ONE TRADING LLC New $891.8k176.6k shares
CITADEL ADVISORS LLC Added $556.5k110.2k shares
SIMPLEX TRADING, LLC Added $422.0k83.7k shares
MILLENNIUM MANAGEMENT LLC New $325.2k64.4k shares
Cutler Group LLC / CA New $6.0k11.1k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $221.7k43.9k shares
Ausdal Financial Partners, Inc. New $75.8k15.0k shares
SIMPLEX TRADING, LLC Added $66.0k13.2k shares
CITADEL ADVISORS LLC Added $19.2k3.8k shares
GROUP ONE TRADING LLC New $12.6k2.5k shares
Cutler Group LLC / CA New $3.0k1.4k 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
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 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
101Q3 21: 0 buyingQ3 21: 0 sellingQ4 21: 0 buyingQ4 21: 0 sellingQ4 21Q1 22: 0 buyingQ1 22: 0 sellingQ2 22: 1 buyingQ2 22: 0 sellingQ2 22Q3 22: 0 buyingQ3 22: 0 sellingQ4 22: 1 buyingQ4 22: 0 sellingQ4 22Q1 23: 0 buyingQ1 23: 0 sellingQ2 23: 0 buyingQ2 23: 1 sellingQ2 23
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20210—0——
Q4 20210—0——
Q1 20220—0——
Q2 20221$61.0k0——
Q3 20220—0——
Q4 20221$72.3k0——
Q1 20230—0——
Q2 20230—1$167.5k$167.5k
DateInsiderTradeSharesPrice ValueTheir holding
2023-06-30 BB BIOTECH AG +1 10% owner Bought 1,000,000 $5.00 $5.0m1.0m shares +14%
2023-06-27 BB BIOTECH AG +1 10% owner Bought 1,740,000 $5.49 $9.6m1.7m shares +32%
2023-06-27 Epstein David M. Officer, director Sold plan 25,000 $6.70 $167.5k25.0k shares -4%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Bellevue Group AG 0.59% of their portfolio ZURICH, V8 8,135,8398.1m $41.1m $41.1m 0.59% Added +2.7m +2,740,000
2 NEA Management Company, LLC 1.71% of their portfolio TIMONIUM, MD 4,448,7574.4m $22.5m $22.5m 1.71% Added +1.0m +1,000,000
3 RA CAPITAL MANAGEMENT, L.P. 0.34% of their portfolio BOSTON, MA 3,525,7543.5m $17.8m $17.8m 0.34% Added +935.9k +935,850
4 Artal Group S.A. 0.33% of their portfolio LUXEMBOURG, N4 2,046,5172.0m $10.3m $10.3m 0.33% Added +400.0k +400,000
5 Boxer Capital, LLC 0.47% of their portfolio San Diego, CA 2,014,8582.0m $10.2m $10.2m 0.47% Unchanged
6 Point72 Asset Management, L.P. 0.03% of their portfolio STAMFORD, CT 2,000,0002.0m $10.1m $10.1m 0.03% New
7 DEERFIELD MANAGEMENT COMPANY, L.P. 0.19% of their portfolio New York, NY 1,800,0001.8m $9.1m $9.1m 0.19% New
8 RTW INVESTMENTS, LP 0.16% of their portfolio NEW YORK, NY 1,700,0001.7m $8.6m $8.6m 0.16% New
9 BlackRock Inc. 0.00% of their portfolio New York, NY 1,505,4391.5m $7.6m $7.6m 0.00% Added +749.1k +749,052
10 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,481,3851.5m $7.5m $7.5m 0.00% Added +723.8k +723,800
11 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 1,215,4081.2m $6.1m $6.1m 0.01% Added +657.6k +657,637
12 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 1,080,0591.1m $5.5m $5.5m 0.00% Added +1.1m +1,079,507
13 Ally Bridge Group (NY) LLC 4.89% of their portfolio NEW YORK, NY 800,000800.0k $4.0m $4.0m 4.89% New
14 KENNEDY CAPITAL MANAGEMENT LLC 0.09% of their portfolio ST LOUIS, MO 751,403751.4k $3.8m $3.8m 0.09% New
15 CVI Holdings, LLC 4.01% of their portfolio WILMINGTON, DE 750,000750.0k $3.8m $3.8m 4.01% New
16 CHI Advisors LLC 1.15% of their portfolio NEW YORK, NY 750,000750.0k $3.8m $3.8m 1.15% New
17 Driehaus Capital Management LLC 0.04% of their portfolio Chicago, IL 696,969697.0k $3.5m $3.5m 0.04% New
18 Rock Springs Capital Management LP 0.07% of their portfolio Baltimore, MD 563,233563.2k $2.8m $2.8m 0.07% New
19 Ikarian Capital, LLC 0.93% of their portfolio DALLAS, TX 545,103545.1k $2.8m $2.8m 0.93% New
20 Candriam S.C.A. 0.02% of their portfolio STRASSEN, N4 500,009500.0k $2.5m $2.5m 0.02% New
21 Parkman Healthcare Partners LLC 0.44% of their portfolio STAMFORD, CT 500,000500.0k $2.5m $2.5m 0.44% New
22 Verition Fund Management LLC 0.04% of their portfolio GREENWICH, CT 450,691450.7k $2.3m $2.3m 0.04% Added +106.4k +106,384
23 Soleus Capital Management, L.P. 0.24% of their portfolio GREENWICH, CT 435,000435.0k $2.2m $2.2m 0.24% New
24 Eversept Partners, LP 0.23% of their portfolio NEW YORK, NY 427,317427.3k $2.2m $2.2m 0.23% New
25 Venrock Adviser, LLC 0.29% of their portfolio NEW YORK, NY 353,629353.6k $1.8m $1.8m 0.29% New
26 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 352,679352.7k $1.8m $1.8m 0.00% Reduced -423.9k -423,915
27 Opaleye Management Inc. 0.33% of their portfolio BOSTON, MA 275,000275.0k $1.4m $1.4m 0.33% New
28 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 271,207271.2k $1.4m $1.4m 0.00% Added +779 +779
29 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 220,700220.7k $1.1m $1.1m 0.00% Added +3.2k +3,200
30 Informed Momentum Co LLC 0.19% of their portfolio SOLANA BEACH, CA 207,428207.4k $1.0m $1.0m 0.19% New
31 Newtyn Management, LLC 0.24% of their portfolio NEW YORK, NY 200,000200.0k $1.0m $1.0m 0.24% Reduced -106.6k -106,609
32 Maven Securities LTD 0.14% of their portfolio ST HELIER, Y9 187,513187.5k $946.9k $946.9k 0.14% New
33 Monashee Investment Management LLC 0.20% of their portfolio Boston, MA 170,000170.0k $858.5k $858.5k 0.20% New
34 Tekla Capital Management LLC 0.03% of their portfolio Boston, MA 131,990132.0k $666.5k $666.5k 0.03% Unchanged
35 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 124,351124.4k $628.0k $628.0k 0.00% Added +105.0k +105,000
36 BOOTHBAY FUND MANAGEMENT, LLC 0.02% of their portfolio NEW YORK, NY 109,293109.3k $551.9k $551.9k 0.02% New
37 Ergoteles LLC 0.02% of their portfolio NEW YORK, NY 100,000100.0k $505.0k $505.0k 0.02% New
38 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 76,38476.4k $385.7k $385.7k 0.00% Unchanged
39 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 75,00075.0k $378.8k $378.8k 0.01% Unchanged
40 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 53,36553.4k $268.0k $268.0k 0.00% Unchanged
41 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 51,48651.5k $260.0k $260.0k 0.00% Reduced -56.2k -56,247
42 MOORE CAPITAL MANAGEMENT, LP 0.01% of their portfolio NEW YORK, NY 50,00050.0k $252.5k $252.5k 0.01% New
43 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 37,89137.9k $191.3k $191.3k 0.00% Reduced -92 -92
44 Quantamental Technologies LLC 0.05% of their portfolio WHITE PLAINS, NY 25,37725.4k $128.2k $128.2k 0.05% New
45 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 24,15624.2k $119.6k $119.6k 0.00% Unchanged
46 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 23,21023.2k $117.2k $117.2k 0.00% New
47 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 22,90422.9k $115.7k $115.7k 0.00% New
48 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 17,08717.1k $86.3k $86.3k 0.00% Reduced -8.8k -8,833
49 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 16,26916.3k $82.2k $82.2k 0.00% Reduced -11.7k -11,705
50 AE Wealth Management LLC 0.00% of their portfolio TOPEKA, KS 15,92015.9k $80.4k $80.4k 0.00% Reduced -20.0k -20,000
51 Beacon Capital Management, LLC 0.02% of their portfolio FRANKLIN, TN 15,61515.6k $78.9k $78.9k 0.02% Reduced -20.0k -20,000
52 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 15,00015.0k $76.3k $76.3k 0.00% New
53 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 14,48414.5k $73.1k $73.1k 0.00% New
54 HERBST GROUP, LLC 0.05% of their portfolio WESTPORT, CT 13,63513.6k $68.9k $68.9k 0.05% New
55 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 12,80012.8k $64.6k $64.6k 0.00% Reduced -163.1k -163,100
56 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 12,10012.1k $61.1k $61.1k 0.00% Reduced -8.4k -8,400
57 UBS Group AG 0.00% of their portfolio ZURICH, V8 8,5198.5k $43.0k $43.0k 0.00% New
58 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 5,0465.0k $25.5k $25.5k 0.00% Reduced -8.1k -8,139
59 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 2,4842.5k $11.8k $11.8k 0.00% Reduced -1.5k -1,518
60 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,1162.1k $10.7k $10.7k 0.00% Reduced -5.5k -5,511
61 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,3551.4k $7.0k $7.0k 0.00% Added +1.2k +1,160
62 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 700700 $3.5k $3.5k 0.00% Unchanged
63 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 449449 $2.3k $2.3k 0.00% New
64 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 350350 $1.0k $1.0k 0.00% New
65 Cutler Group LLC / CA 0.00% of their portfolio SAN FRANCISCO, CA 300300 $1.0k $1.0k 0.00% New
66 Federation des caisses Desjardins du Quebec 0.00% of their portfolio LEVIS, A8 280280 $1.4k $1.4k 0.00% Unchanged
67 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 247247 $1.2k $1.2k 0.00% Reduced -394 -394
68 TSFG, LLC 0.00% of their portfolio LAKE FOREST, IL 100100 $1.0k $1.0k 0.00% Unchanged
69 Beaird Harris Wealth Management, LLC 0.00% of their portfolio DALLAS, TX 3636 $182 $182 0.00% Unchanged
70 SALEM INVESTMENT COUNSELORS INC 0.00% of their portfolio WINSTON-SALEM, NC 3535 $177 $177 0.00% Unchanged
71 FMR LLC 0.00% of their portfolio BOSTON, MA 1818 $92 $92 0.00% Reduced -150 -150
72 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 1717 $86 $86 0.00% Unchanged
73 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 1212 $60 $60 0.00% Reduced -12.8k -12,777
74 CWM, LLC 0.00% of their portfolio OMAHA, NE 99 $0 $0 0.00% Unchanged
75 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged