Vault-13

908 DEVICES INC MASS

COM · Common Stock · CUSIP 65443P102

91 institutional holders +15 vs Q1 2024
19,019,28519.0m shares reported held*
54.9% of all shares outstanding*
$97.9mreported value*
26 new 27 added 25 reduced 13 sold out net sold ≈ $6.8m (-1.3m 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 ($2.5m this quarter). Holder counts are more reliable. Shares outstanding: 34.7m as of 2024-08-02, 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 ≈ $5.15. Options: 5 managers hold calls ($89.4k notional), 5 hold puts ($31.9k).

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 81Q4 22: 93Q1 23: 85Q2 23: 87Q3 23: 84Q4 23: 80Q1 24: 76Q2 24: 9191Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 202281
Q4 202293
Q1 202385
Q2 202387
Q3 202384
Q4 202380
Q1 202476
Q2 202491

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q4 22: 50 bought or addedQ4 22: 38 cut or sold outQ4 22Q1 23: 44 bought or addedQ1 23: 44 cut or sold outQ2 23: 38 bought or addedQ2 23: 44 cut or sold outQ2 23Q3 23: 38 bought or addedQ3 23: 35 cut or sold outQ4 23: 42 bought or addedQ4 23: 29 cut or sold outQ4 23Q1 24: 29 bought or addedQ1 24: 40 cut or sold outQ2 24: 53 bought or addedQ2 24: 38 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 20225038
Q1 20234444
Q2 20233844
Q3 20233835
Q4 20234229
Q1 20242940
Q2 20245338

Calls vs puts

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

CallsPuts
$0$200k$400k$600kQ3 23 calls: $210.9kQ3 23 puts: $26.3kQ3 23P/C 0.12Q4 23 calls: $545.2kQ4 23 puts: $421.6kQ4 23P/C 0.77Q1 24 calls: $348.9kQ1 24 puts: $308.7kQ1 24P/C 0.88Q2 24 calls: $89.4kQ2 24 puts: $31.9kQ2 24P/C 0.36
Numbers
QuarterCallsPutsP/C
Q3 2023$210.9k$26.3k0.12
Q4 2023$545.2k$421.6k0.77
Q1 2024$348.9k$308.7k0.88
Q2 2024$89.4k$31.9k0.36

Biggest buyers

AWM Investment Company, Inc. Added +342,930+342.9k
MILLENNIUM MANAGEMENT LLC Added +161,922+161.9k
ClariVest Asset Management LLC New +129,788+129.8k
CITADEL ADVISORS LLC Added +120,450+120.5k
DIMENSIONAL FUND ADVISORS LP Added +114,987+115.0k
AQR CAPITAL MANAGEMENT LLC New +113,594+113.6k
Mitsubishi UFJ Asset Management Co., Ltd. New +102,090+102.1k
VANGUARD GROUP INC Added +91,600+91.6k
RENAISSANCE TECHNOLOGIES LLC Added +86,500+86.5k
SUSQUEHANNA INTERNATIONAL GROUP, LLP New +70,535+70.5k

Biggest sellers

EVENTIDE ASSET MANAGEMENT, LLC Sold out -1,430,995-1.4m
Granahan Investment Management, LLC Reduced -814,743-814.7k
Iron Triangle Partners LP Reduced -311,903-311.9k
ARK Investment Management LLC Reduced -111,307-111.3k
PLATINUM INVESTMENT MANAGEMENT LTD Reduced -98,233-98.2k
MORGAN STANLEY Reduced -75,378-75.4k
NEW YORK STATE COMMON RETIREMENT FUND Reduced -68,194-68.2k
Sumitomo Mitsui Trust Group, Inc. Reduced -66,492-66.5k
Amova Asset Management Americas, Inc. Reduced -66,492-66.5k
BlackRock Inc. Reduced -39,922-39.9k

Biggest calls

PEAK6 Investments LLC Reduced $72.1k14.0k shares
SIMPLEX TRADING, LLC Reduced $8.0k1.7k shares
GROUP ONE TRADING LLC Reduced $5.2k1.0k shares
CITADEL ADVISORS LLC Reduced $4.1k800 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

PEAK6 Investments LLC Reduced $18.0k3.5k shares
CITADEL ADVISORS LLC Reduced $7.2k1.4k shares
GROUP ONE TRADING LLC New $6.7k1.3k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares
SIMPLEX TRADING, LLC Reduced $0100 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
First Light Asset Management, LLC 13G · institution +4.2 pts · filed 2026-02-17 17.1% +4.2 pts 6.2m≈ $53.8m 2026-02-17
ARCH Venture Fund VII, L.P. 13G · exempt (held before listing) -1.2 pts · filed 2026-08-14 14.1% -1.2 pts 5.8m≈ $50.7m 2026-08-14
AWM Investment Company, Inc. 13G · institution -2.9 pts · filed 2026-08-14 11.8% -2.9 pts 4.9m≈ $42.5m 2026-08-14
ARK Investment Management LLC 13G · institution +0.4 pts · filed 2026-08-14 5.3% +0.4 pts 2.0m≈ $17.6m 2026-08-14

Fell to 5% or below in the last year: BlackRock, Inc. (4.9%, 2026-10-27), STATE STREET CORP (1.6%, 2026-02-09)

Insider purchases and sales in Q2 2024

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
505Q3 22: 0 buyingQ3 22: 4 sellingQ4 22: 1 buyingQ4 22: 1 sellingQ4 22Q1 23: 0 buyingQ1 23: 5 sellingQ2 23: 0 buyingQ2 23: 2 sellingQ2 23Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 2 sellingQ4 23Q1 24: 0 buyingQ1 24: 4 sellingQ2 24: 1 buyingQ2 24: 0 sellingQ2 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20220—4$4.4m—
Q4 20221$24.9k1$673.2k—
Q1 20230—5$885.2k—
Q2 20230—2$752.2k$752.2k
Q3 20230—0——
Q4 20230—2$305.1k—
Q1 20240—4$236.5k—
Q2 20241$293.4k0——
DateInsiderTradeSharesPrice ValueTheir holding
2024-05-13 Knopp Kevin J. President and CEO, director Bought 10,000 $6.42 $64.2k10.0k shares +2%
2024-05-10 Knopp Kevin J. President and CEO, director Bought 10,000 $5.77 $57.7k10.0k shares +2%
2024-05-09 Knopp Kevin J. President and CEO, director Bought 10,000 $5.83 $58.3k10.0k shares +2%
2024-05-08 Knopp Kevin J. President and CEO, director Bought 10,000 $5.72 $57.2k10.0k shares +2%
2024-05-07 Knopp Kevin J. President and CEO, director Bought 10,000 $5.60 $56.0k10.0k shares +2%

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 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 ARK Investment Management LLC 0.18% of their portfolio ST. PETERSBURG, FL 3,937,6313.9m $20.3m $20.3m 0.18% Reduced -111.3k -111,307
2 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 1,882,5911.9m $9.7m $9.7m 0.00% Reduced -5.5k -5,543
3 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,842,7021.8m $9.5m $9.5m 0.00% Added +91.6k +91,600
4 BlackRock Inc. 0.00% of their portfolio New York, NY 1,693,2041.7m $8.7m $8.7m 0.00% Reduced -39.9k -39,922
5 AWM Investment Company, Inc. 0.70% of their portfolio NEW YORK, NY 1,011,4561.0m $5.2m $5.2m 0.70% Added +342.9k +342,930
6 FRED ALGER MANAGEMENT, LLC 0.03% of their portfolio NEW YORK, NY 1,006,2371.0m $5.2m $5.2m 0.03% Reduced -10.2k -10,165
7 Granahan Investment Management, LLC 0.19% of their portfolio WALTHAM, MA 919,629919.6k $4.7m $4.7m 0.19% Reduced -814.7k -814,743
8 Iron Triangle Partners LP 0.39% of their portfolio Cos Cob, CT 728,865728.9k $3.8m $3.8m 0.39% Reduced -311.9k -311,903
9 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 618,310618.3k $3.2m $3.2m 0.00% Added +161.9k +161,922
10 Tao Capital Management LP 2.40% of their portfolio SAN FRANCISCO, CA 568,981569.0k $2.9m $2.9m 2.40% Unchanged
11 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 561,154561.2k $2.9m $2.9m 0.00% Added +33.9k +33,893
12 Sumitomo Mitsui Trust Group, Inc. 0.00% of their portfolio CHIYODA-KU, TOKYO, M0 495,802495.8k $2.6m $2.6m 0.00% Reduced -66.5k -66,492
13 Amova Asset Management Americas, Inc. 0.03% of their portfolio New York, NY 495,802495.8k $2.5m $2.5m 0.03% Reduced -66.5k -66,492
14 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 473,340473.3k $2.4m $2.4m 0.00% Added +37.3k +37,300
15 PLATINUM INVESTMENT MANAGEMENT LTD 0.06% of their portfolio SYDNEY AUSTRALIA 2000, C3 274,067274.1k $1.4m $1.4m 0.06% Reduced -98.2k -98,233
16 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 245,176245.2k $1.3m $1.3m 0.00% Added +115.0k +114,987
17 Sands Capital Alternatives, LLC 0.41% of their portfolio ARLINGTON, VA 237,258237.3k $1.2m $1.2m 0.41% Unchanged
18 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 195,500195.5k $1.0m $1.0m 0.00% Added +86.5k +86,500
19 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 192,462192.5k $991.2k $991.2k 0.00% Reduced -1.4k -1,422
20 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 182,498182.5k $939.9k $939.9k 0.00% Reduced -529 -529
21 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 169,276169.3k $871.8k $871.8k 0.00% Added +120.5k +120,450
22 ClariVest Asset Management LLC 0.07% of their portfolio SAN DIEGO, CA 129,788129.8k $668.4k $668.4k 0.07% New
23 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 113,594113.6k $585.0k $585.0k 0.00% New
24 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 106,951107.0k $550.8k $550.8k 0.00% Added +5.3k +5,315
25 Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio TOKYO, M0 102,090102.1k $525.8k $525.8k 0.00% New
26 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 86,45886.5k $445.3k $445.3k 0.00% Added +50.3k +50,263
27 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 75,50075.5k $388.8k $388.8k 0.01% Added +10.0k +10,000
28 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 70,53570.5k $363.3k $363.3k 0.00% New
29 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 69,55069.5k $358.2k $358.2k 0.00% Added +4.2k +4,212
30 Bruce & Co., Inc. 0.12% of their portfolio CHICAGO, IL 68,28668.3k $351.7k $351.7k 0.12% Unchanged
31 Cubist Systematic Strategies, LLC 0.01% of their portfolio STAMFORD, CT 60,42960.4k $311.2k $311.2k 0.01% New
32 Eisler Capital (US) LLC 0.05% of their portfolio NEW YORK, NY 56,36556.4k $290.3k $290.3k 0.05% New
33 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 53,58553.6k $276.0k $276.0k 0.00% Added +2.4k +2,378
34 NEEDHAM INVESTMENT MANAGEMENT LLC 0.02% of their portfolio NEW YORK, NY 50,00050.0k $257.5k $257.5k 0.02% New
35 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 48,55448.6k $250.1k $250.1k 0.00% New
36 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 44,39644.4k $228.6k $228.6k 0.00% New
37 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 39,50039.5k $203.4k $203.4k 0.00% Added +13.5k +13,470
38 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 38,65538.7k $199.1k $199.1k 0.00% Reduced -75.4k -75,378
39 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 37,69637.7k $194.1k $194.1k 0.00% Reduced -374 -374
40 Arete Wealth Advisors, LLC 0.01% of their portfolio CHICAGO, IL 34,63534.6k $175.0k $175.0k 0.01% Added +5.1k +5,104
41 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 33,71833.7k $173.6k $173.6k 0.00% Added +5.3k +5,295
42 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 31,17331.2k $160.5k $160.5k 0.00% Added +15.1k +15,055
43 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 28,42428.4k $146.4k $146.4k 0.00% Reduced -1.6k -1,569
44 49 WEALTH MANAGEMENT, LLC 0.03% of their portfolio AUSTIN, TX 26,75626.8k $127.6k $127.6k 0.03% Added +985 +985
45 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 24,89624.9k $128.2k $128.2k 0.00% Added +10.2k +10,188
46 PRIMECAP MANAGEMENT CO/CA/ 0.00% of their portfolio PASADENA, CA 24,83024.8k $127.9k $127.9k 0.00% Reduced -2.0k -2,040
47 Rafferty Asset Management, LLC 0.00% of their portfolio New York, NY 24,09524.1k $124.1k $124.1k 0.00% New
48 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 23,47023.5k $121.0k $121.0k 0.00% Unchanged
49 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 21,26621.3k $109.5k $109.5k 0.00% Added +2.8k +2,824
50 Petrus Trust Company, LTA 0.01% of their portfolio Dallas, TX 18,84218.8k $97.0k $97.0k 0.01% Added +8.6k +8,624
51 Verition Fund Management LLC 0.00% of their portfolio GREENWICH, CT 16,27616.3k $83.8k $83.8k 0.00% New
52 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 15,72415.7k $81.0k $81.0k 0.00% New
53 Cresset Asset Management, LLC 0.00% of their portfolio Chicago, IL 14,22714.2k $73.3k $73.3k 0.00% Added +1.8k +1,764
54 PDT Partners, LLC 0.01% of their portfolio New York, NY 13,92013.9k $71.7k $71.7k 0.01% New
55 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 13,50013.5k $69.5k $69.5k 0.00% New
56 SHERBROOKE PARK ADVISERS LLC 0.01% of their portfolio WHITE PLAINS, NY 13,43413.4k $69.2k $69.2k 0.01% New
57 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 13,43013.4k $69.2k $69.2k 0.00% Added +1.4k +1,440
58 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 12,76812.8k $65.8k $65.8k 0.00% First filing
59 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 11,80611.8k $60.8k $60.8k 0.00% Added +2.4k +2,431
60 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 11,38911.4k $58.7k $58.7k 0.00% First filing
61 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 10,73610.7k $55.3k $55.3k 0.00% Unchanged
62 UBS Group AG 0.00% of their portfolio ZURICH, V8 9,97510.0k $51.4k $51.4k 0.00% Reduced -10.5k -10,451
63 GAMMA Investing LLC 0.01% of their portfolio FOSTER CITY, CA 9,2549.3k $47.7k $47.7k 0.01% New
64 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 8,4878.5k $43.7k $43.7k 0.00% Reduced -68.2k -68,194
65 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 8,3618.4k $43.1k $43.1k 0.00% Reduced -7.2k -7,207
66 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 7,8807.9k $40.6k $40.6k 0.00% Reduced -2.0k -2,031
67 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 5,3235.3k $27.4k $27.4k 0.00% Added +1.1k +1,149
68 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 5,2695.3k $28.4k $28.4k 0.00% Unchanged
69 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 4,1884.2k $21.0k $21.0k 0.00% New
70 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,7993.8k $19.6k $19.6k 0.00% Added +462 +462
71 Daiwa Securities Group Inc. 0.00% of their portfolio CHIYODA-KU,TOKYO, M0 3,7103.7k $19.0k $19.0k 0.00% New
72 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 3,7003.7k $19.1k $19.1k 0.00% New
73 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 3,1453.1k $16.2k $16.2k 0.00% Reduced -495 -495
74 PEAK6 Investments LLC 0.00% of their portfolio CHICAGO, IL 2,8992.9k $14.9k $14.9k 0.00% Reduced -13.6k -13,605
75 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 2,5002.5k $12.9k $12.9k 0.00% Unchanged
76 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 2,2412.2k $11.0k $11.0k 0.00% Added +1.7k +1,667
77 HM PAYSON & CO 0.00% of their portfolio PORTLAND, ME 2,0002.0k $10.3k $10.3k 0.00% New
78 Legal & General Group Plc 0.00% of their portfolio London, X0 1,8211.8k $9.4k $9.4k 0.00% Unchanged
79 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,7201.7k $8.9k $8.9k 0.00% Reduced -508 -508
80 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,4421.4k $7.4k $7.4k 0.00% Unchanged
81 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 987987 $5.1k $5.1k 0.00% New
82 Itau Unibanco Holding S.A. 0.00% of their portfolio SAO PAULO, D5 913913 $4.7k $4.7k 0.00% New
83 FMR LLC 0.00% of their portfolio BOSTON, MA 875875 $4.5k $4.5k 0.00% Reduced -571 -571
84 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 766766 $4.0k $4.0k 0.00% Unchanged
85 Point72 (DIFC) Ltd 0.00% of their portfolio DUBAI, C0 223223 $1.1k $1.1k 0.00% New
86 GPS Wealth Strategies Group, LLC 0.00% of their portfolio CENTENNIAL, CO 200200 $1.0k $1.0k 0.00% Reduced -75 -75
87 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 135135 $695 $695 0.00% New
88 CWM, LLC 0.00% of their portfolio OMAHA, NE 3434 $0 $0 0.00% New
89 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 3232 $165 $165 0.00% Reduced -2.4k -2,405
90 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 2020 $103 $103 0.00% New
91 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged