Datadog, Inc.
US ˙ NasdaqGS ˙ US23804L1035

SecurityDDOG / Datadog, Inc.
InstitutionBank Of Nova Scotia
Latest Disclosed Ownership75,239 shares
Latest Disclosed Value $ 10,231,652
Bank Of Nova Scotia ownership in DDOG / Datadog, Inc.

On February 13, 2026 - Bank Of Nova Scotia filed a 13F-HR form disclosing ownership of 75,239 shares of Datadog, Inc. (US:DDOG) valued at $10,231,752 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 14, 2025 disclosing 37,873 shares of Datadog, Inc.. This represents a change in shares of 98.66% during the quarter. The current value of the position is $9,741,946 USD.

Bank Of Nova Scotia has a history of taking positions in derivatives of the underlying security (DDOG) in the form of stock options.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

DDOG / Datadog, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-02-13 2025-12-31 13F DATADOG CL A COM 23804L103 75,239 37,366 98.66 10,232 89.71 0.0151
2025-11-14 2025-09-30 13F DATADOG CL A COM 23804L103 37,873 -478,479 -92.67 5,393 -92.22 0.0095
2025-08-13 2025-06-30 13F DATADOG CL A COM 23804L103 516,352 -763,304 -59.65 69,362 -45.37 0.1420
2025-07-02 2025-03-31 13F/A-1 DATADOG CL A COM 23804L103 1,279,656 1,269,788 12,867.73 126,955 8,903.90 0.2848
2025-05-09 2025-03-31 13F DATADOG CL A COM 23804L103 1,279,656 1,269,788 126,955 0.3025
2025-07-02 2024-12-31 13F/A-1 DATADOG CL A COM 23804L103 9,868 -97,507 -90.81 1,410 -88.59 0.0025
2025-02-13 2024-12-31 13F DATADOG CL A COM 23804L103 9,868 -97,507 1,410 0.0026
2024-11-13 2024-09-30 13F DATADOG CL A COM 23804L103 107,375 2,926 2.80 12,355 -8.79 0.0249
2024-08-14 2024-06-30 13F DATADOG CL A COM 23804L103 104,449 91,166 686.34 13,546 725.41 0.0266
2024-05-15 2024-03-31 13F DATADOG CL A COM 23804L103 13,283 -32,570 -71.03 1,642 -70.51 0.0033
2024-02-12 2023-12-31 13F DATADOG CL A COM 23804L103 45,853 39,875 667.03 5,565 922.98 0.0104
2023-11-14 2023-09-30 13F DATADOG CL A COM 23804L103 5,978 5,978 545 0.0014
2023-05-11 2023-03-31 13F DATADOG CL A COM 23804L103 0 -25,430 -100.00 0 -100.00
2023-02-09 2022-12-31 13F DATADOG CL A COM 23804L103 25,430 -19,120 -42.92 1,869 -52.73 0.0048
2022-11-10 2022-09-30 13F DATADOG CL A COM 23804L103 44,550 -657,039 -93.65 3,954 -94.10 0.0126
2022-08-11 2022-06-30 13F/A-2 DATADOG CL A COM 23804L103 701,589 560,887 398.63 67,041 214.57 0.1600
2022-08-08 2022-06-30 13F/A-1 DATADOG CL A COM 23804L103 701,589 560,887 67,041 0.0989
2022-05-09 2022-03-31 13F DATADOG CL A COM 23804L103 140,702 -161,782 -53.48 21,312 -60.44 0.0260
2022-02-11 2021-12-31 13F DATADOG CL A COM 23804L103 302,484 139,710 85.83 53,875 134.16 0.0753
2021-11-12 2021-09-30 13F DATADOG CL A COM 23804L103 162,774 47,171 40.80 23,008 91.22 0.0405
2021-08-12 2021-06-30 13F DATADOG CL A COM 23804L103 115,603 -231,048 -66.65 12,032 -58.35 0.0222
2021-05-06 2021-03-31 13F DATADOG CL A COM 23804L103 346,651 340,302 5,359.93 28,890 4,522.40 0.0566
2021-02-11 2020-12-31 13F DATADOG CL A COM 23804L103 6,349 6,349 625 0.0013
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-11-14 2025-09-30 13F DATADOG CL A COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-08-13 2025-06-30 13F DATADOG CL A COM Put 5,000 -61.68 672 -48.15 n/a n/a n/a
2025-07-02 2025-03-31 13F/A DATADOG CL A COM Put 13,049 2,276.87 1,295 1,558.97 n/a n/a n/a
2025-05-09 2025-03-31 13F DATADOG CL A COM Put 13,049 1,295 n/a n/a n/a
2025-07-02 2024-12-31 13F/A DATADOG CL A COM Put 549 0.00 78 23.81 n/a n/a n/a
2025-02-13 2024-12-31 13F DATADOG CL A COM Put 549 78 n/a n/a n/a
2024-11-13 2024-09-30 13F DATADOG CL A COM Put 549 0.00 63 -11.27 n/a n/a n/a
2024-08-14 2024-06-30 13F DATADOG CL A COM Put 549 71 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.